Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    D27C256 Search Results

    D27C256 Result Highlights (3)

    Part ECAD Model Manufacturer Description Download Buy
    MD27C256-15/B Rochester Electronics LLC MD27C256-15/B Visit Rochester Electronics LLC Buy
    MD27C256-20/B Rochester Electronics LLC Replacement for Intel part number MD27C256-20. Buy from authorized manufacturer Rochester Electronics. Visit Rochester Electronics LLC Buy
    MD27C256-25/B Rochester Electronics LLC UVPROM, 32KX8, 250ns, CMOS, CQCC32, CERAMIC, JLCC-32 Visit Rochester Electronics LLC Buy
    SF Impression Pixel

    D27C256 Price and Stock

    Rochester Electronics LLC MD27C256-15/B

    MD27C256-15/B
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MD27C256-15/B Bulk
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now

    Rochester Electronics LLC MD27C256-25/B

    - Rail/Tube (Alt: MD27C256-25/B)
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Avnet Americas MD27C256-25/B Tube 4 Weeks 4
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Rochester Electronics MD27C256-25/B 170 1
    • 1 $97.95
    • 10 $97.95
    • 100 $92.07
    • 1000 $83.25
    • 10000 $83.25
    		Buy Now

    Intel Corporation MD27C256-35

    27C256 - 256K (32KX8) CMOS EPROM ' - Rail/Tube (Alt: MD27C256-35)
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Avnet Americas MD27C256-35 Tube 4 Weeks 8
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Rochester Electronics MD27C256-35 23 1
    • 1 $46.66
    • 10 $46.66
    • 100 $43.86
    • 1000 $39.66
    • 10000 $39.66
    		Buy Now

    Rochester Electronics LLC MD27C256-20/B

    - Rail/Tube (Alt: MD27C256-20/B)
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Avnet Americas MD27C256-20/B Tube 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Rochester Electronics MD27C256-20/B -479 1
    • 1 $100.11
    • 10 $100.11
    • 100 $94.1
    • 1000 $85.09
    • 10000 $85.09
    		Buy Now

    ACTIVE COMPNTS/DIODES MD27C25615

    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Bisco Industries MD27C25615 3
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Find more D27C256 price and stock on Findchips.com

    D27C256 Datasheets (22)

    Part ECAD Model Manufacturer Description Curated Type PDF
    D27C256 Advanced Micro Devices 256 Kilobit (32,768 x 8-Bit) CMOS EPROM Original PDF
    D27C256 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256 Unknown Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. Historical PDF
    D27C256-1 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-120V05 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-120V10 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-135V05 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-135V10 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-150V05 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-150V10 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-17 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-170 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-2 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-20 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-200 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-200V10 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-25 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-250 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-250V10 Intel 256K (32K x 8) CHMOS EPROM Scan PDF
    D27C256-3 Intel 256K (32K x 8) CHMOS EPROM Scan PDF

    D27C256 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    palce16v8 programming algorithm

    Abstract: PH29EE010 ATMEL 620 93c46 EPROM NMC27C512AQ atmel 130 24c02 EP320I gal16v8 stag orbit 32 device list ph29ee010-xx gal16v8 programming
    Text: Datum 18.11.1998 aus www.stagusa.com Orbit 48 Device Support List Version 25.0 Note ALL PLDs require Orbit 48 PLD Module Please consult device specific information at the end of this list. Stag Programmers Ltd. Silver Court, Watchmead, Welwyn Garden City, Herts AL7 1LT, U.K.


    Original     		PDF PALCE29M16H-XX PALCE29MA16H-XX PALLV22V10/Z PALCE16V8H/Q/Z-XX PALLV16V8/Z-XX PALLV16V8Z-XX PALCE16V8HD-XX PALCE16V8 palce16v8 programming algorithm PH29EE010 ATMEL 620 93c46 EPROM NMC27C512AQ atmel 130 24c02 EP320I gal16v8 stag orbit 32 device list ph29ee010-xx gal16v8 programming

    Device-List

    Abstract: cf745 04 p 24LC211 lattice im4a3-32 CF775 MICROCHIP 29F008 im4a3-64 ks24c01 ep320ipc ALL-11P2
    Text: Device List Adapter List Converter List for ALL-11 JUL. 2000 Introduction T he Device List lets you know exactly which devices the Universal Programmer currently supports. The Device List also lets you know which devices are supported directly by the standard DIP socket and which


    Original     		PDF ALL-11 Z86E73 Z86E83 Z89371 ADP-Z89371/-PL Z8E000 ADP-Z8E001 Z8E001 Device-List cf745 04 p 24LC211 lattice im4a3-32 CF775 MICROCHIP 29F008 im4a3-64 ks24c01 ep320ipc ALL-11P2

    SKIIP 33 nec 125 t2

    Abstract: skiip 613 gb 123 ct RBS 6302 ericsson SKIIP 513 gb 173 ct THERMISTOR ml TDK 150M pioneer PAL 010a Project Report of smoke alarm using IC 555 doc SKiip 83 EC 125 T1 ericsson RBS 6000 series INSTALLATION MANUAL Ericsson Installation guide for RBS 6302
    Text: Discontinued and Superseded Stock Number History. This document contains Discontinued and Superseded Stock Number History. The information is listed in the following format: Stock Number: The original RS Stock Number of the item. Brief Description: The Invoice Description of the item.


    Original     		PDF 734TL UWEB-MODEM-34 HCS412/WM TLV320AIC10IPFB 100MB NEON250 GA-60XM7E BLK32X40 BLK32X42 SKIIP 33 nec 125 t2 skiip 613 gb 123 ct RBS 6302 ericsson SKIIP 513 gb 173 ct THERMISTOR ml TDK 150M pioneer PAL 010a Project Report of smoke alarm using IC 555 doc SKiip 83 EC 125 T1 ericsson RBS 6000 series INSTALLATION MANUAL Ericsson Installation guide for RBS 6302

    PH29EE010

    Abstract: NEC D2716 GAL16V8 TC578200D AT25C01 EP320I stag orbit 32 device list D27C64 GAL22CV10 MBM27C2048
    Text: Orbit 48 Device Support List Version 29.0 Note ALL PLDs require Orbit 48 PLD Module Please consult device specific information at the end of this list. Stag Programmers Ltd. Silver Court, Watchmead, Welwyn Garden City, Herts AL7 1LT, U.K. Tel +44 1707 332148


    Original     		PDF EP310-XX EP320 EP320I EP330 EP610 EP630-XX EP630 EP610I AM2716 PH29EE010 NEC D2716 GAL16V8 TC578200D AT25C01 stag orbit 32 device list D27C64 GAL22CV10 MBM27C2048

    ATMEL 620 93c46

    Abstract: GAL16V8 palce16v8 programming algorithm PH29EE010 XL28C16B CAT29F010 stag orbit 32 device list EP320I program altera ep320 GAL22CV10
    Text: Orbit 48 Device Support List Version 28.11 Note ALL PLDs require Orbit 48 PLD Module Please consult device specific information at the end of this list. Stag Programmers Ltd. Silver Court, Watchmead, Welwyn Garden City, Herts AL7 1LT, U.K. Tel 01707 332148 Fax 01707 371503


    Original     		PDF EP310-XX EP320 EP320I EP330 EP610 EP630-XX EP630 EP610I AM2716 ATMEL 620 93c46 GAL16V8 palce16v8 programming algorithm PH29EE010 XL28C16B CAT29F010 stag orbit 32 device list program altera ep320 GAL22CV10

    ST93C86

    Abstract: d87c257 D27128 NEC AM27020 d2732 UPD6252 ST93C76 NEC D2732 microchip CY7C63000 GAL20AS
    Text: GALEP 4 - device support for GALEP32 software version 1.14.12 ! Bauteile im DIL Gehäuse benötigen keinen Adapter ! Devices in DIL package do not require any adapter -EEPROM


    Original     		PDF GALEP32 AT28C010 AT28C04 AT28C16 AT28C17 AT28C256 AT28C256 AT28C64 AT28C64B CAT28C16A ST93C86 d87c257 D27128 NEC AM27020 d2732 UPD6252 ST93C76 NEC D2732 microchip CY7C63000 GAL20AS

    ae29F2008

    Abstract: ATMEL eeprom 2816A rom AE29f2008 HN462732G D27C64 AT27C64 ASD AE29F2008 d27C128 Toshiba tmm24128 HN2764
    Text: SALES/INFORMATION HOTLINE: +44 0 1226 767404 GLV32 DEVICE SUPPORT LIST ICE Technology Ltd August 30 2001 DIP devices of 32 pins or less are supported without the need of ANY adapter. Adapter number (see adapter list). Required for PLCC, SOIC or greater than 48 pins.


    Original     		PDF GLV32 Am27C010 Am27C020 Am27C128 Am27C512 Am27C64 Am27H256 Am27LV010 Am27LV010B Am27LV020 ae29F2008 ATMEL eeprom 2816A rom AE29f2008 HN462732G D27C64 AT27C64 ASD AE29F2008 d27C128 Toshiba tmm24128 HN2764

    dinverter 768r

    Abstract: G7D-412S Ericsson Installation guide for RBS 6201 OMRON G7d TH3 thermistor 6201 RBS ericsson user manual TMS77C82NL reed relay rs 349-355 i ball 450 watt smps repairing RBS -ericsson 6601
    Text: Discontinued and Superseded Stock Number History. This document contains Discontinued and Superseded Stock Number History. The information is listed in the following format: Stock Number: The original RS Stock Number of the item. Brief Description: The Invoice Description of the item.


    Original     		PDF HEF4527BT HEF4531BT HEF4534BP HEF4534BT MSP-STK430X320 AD9054/PCB AD9054BST-135 IPS521G IPS521S IRL2203S dinverter 768r G7D-412S Ericsson Installation guide for RBS 6201 OMRON G7d TH3 thermistor 6201 RBS ericsson user manual TMS77C82NL reed relay rs 349-355 i ball 450 watt smps repairing RBS -ericsson 6601

    at28pc64

    Abstract: M2864 p301 stag p301 stag manual tms2532a HN462732 eprom 24c04 93C46-P AM2716 nec 2716 eprom
    Text: P301 Device Support List Version 8.03 Please consult device specific information at the end of this list. Stag Programmers Ltd. Silver Court, Watchmead Welwyn Garden City, Herts AL7 1LT, U.K. Tel 01707 332148 Fax 01707 371503 www.stag.co.uk sales@stag.co.uk


    Original     		PDF uPD78P018F 78P018GC at28pc64 M2864 p301 stag p301 stag manual tms2532a HN462732 eprom 24c04 93C46-P AM2716 nec 2716 eprom

    PH29EE010

    Abstract: d27c010a NEC D2732 16FA03 Siemens M812 N87C51 M5M28F102AJ-XX m824 m5m28f102avp D8752BH
    Text: P800 Device Support List Version 1.0 Please consult device specific information at the end of this list. Stag Programmers Ltd. Silver Court, Watchmead, Welwyn Garden City, Herts AL7 1LT, U.K. Tel +44 1707 332148 Fax +44 1707 371503 sales@stag.co.uk techsupport@stag.co.uk


    Original     		PDF AM27C512 AM27C512L. MBM29F002B-X MBM29F002B-X AT27C256R-XX XC17xx PH29EE010 d27c010a NEC D2732 16FA03 Siemens M812 N87C51 M5M28F102AJ-XX m824 m5m28f102avp D8752BH

    at28pc64

    Abstract: eprom 24c04 TMS2532A AT25C01 p301 stag Stag P301 p301 stag manual M2864 AT25C04 AM2716
    Text: P301 Device Support List Version 8.04 Please consult device specific information at the end of this list. Stag Programmers Ltd. Silver Court, Watchmead Welwyn Garden City, Herts AL7 1LT, U.K. Tel 01707 332148 Fax 01707 371503 www.stag.co.uk sales@stag.co.uk


    Original     		PDF uPD78P018F 78P018GC at28pc64 eprom 24c04 TMS2532A AT25C01 p301 stag Stag P301 p301 stag manual M2864 AT25C04 AM2716

    EV80C51FX

    Abstract: 87C251SB matrix multiplication EV80C51 27C256 87C51FB 8XC251SB 8XC51FX D27C256 TMS27C256
    Text: 8XC251SB BENCHMARK REPORT OBJECTIVE The purpose of this benchmark was to check the performance of the CPU power of 8XC251SB Vs 8XC51FX with different programs and different hardware. SUMMARY OF BENCHMARK A total of 8 programs were written for four experiments: four in pure 51 instructions and


    Original     		PDF 8XC251SB 8XC51FX 3031H 3233H 3435H 3637H 3839H 0200H 0000H EV80C51FX 87C251SB matrix multiplication EV80C51 27C256 87C51FB D27C256 TMS27C256

    39SF020A

    Abstract: 39vf800a F29C31400T MX10FLCDPC w78e65p 39VF010 MX29F1601 49lf002a 93C26 M27C401CZ
    Text: Labtool-148C Version 3.30 <ALL> Device List ACTRANS AC29LV400B *44PS AC29LV400B *48TS ALi M6759 *44 M8720 Page 1 of 13 AC29LV400T *44PS AC29LV400T *48TS Alliance AS29F040 AS29LV400T *48TS AS29LV800T *48TS AS29LV400B *44PS AS29LV800B *44PS AS29LV400B *48TS


    Original     		PDF Labtool-148C AC29LV400B M6759 M8720 AC29LV400T AS29F040 AS29LV400T AS29LV800T 39SF020A 39vf800a F29C31400T MX10FLCDPC w78e65p 39VF010 MX29F1601 49lf002a 93C26 M27C401CZ

    Ericsson Installation guide for RBS 6000

    Abstract: ericsson RBS 6000 series INSTALLATION MANUAL Philips Twin Eye PLN 2032 ERICSSON RBS 6000 Ericsson RBS 6000 hardware manual ericsson RBS 3206 dil relay 349-383 IGBT semikron 613 GB 123 CT ericsson RBS 6000 series Z0765A08PSC
    Text: Discontinued and Superseded Stock Number History. This document contains Discontinued and Superseded Stock Number History. The information is listed in the following format: Stock Number: The original RS Stock Number of the item. Brief Description: The Invoice Description of the item.


    Original     		PDF 304X264X130 CL200 TC554001FI-85L TC554001FTL-70 BMSKTOPAS900 BMSKTOPAS870 10/100TX 13X76 35X100 19X89 Ericsson Installation guide for RBS 6000 ericsson RBS 6000 series INSTALLATION MANUAL Philips Twin Eye PLN 2032 ERICSSON RBS 6000 Ericsson RBS 6000 hardware manual ericsson RBS 3206 dil relay 349-383 IGBT semikron 613 GB 123 CT ericsson RBS 6000 series Z0765A08PSC

    atmel 24c16a

    Abstract: ST93C86 EPROM AMD D87C257 atmel 93c66A ATMEL 24c64 39SF512 D27128 NEC P87LPC7648 GAL16AS
    Text: GALEP-III Device List 2000-01-31 valid for version 1.17 page 1 of 1 D:\btl117.doc EPROM AMD AM27C010 AM27C020 AM27C040 AM27C080 AM27C1024 AM27C128 AM27C2048 AM27C256 AM27C4096 AM27C512 AM27C64 ATMEL AT27C/LV/BV010 AT27C/LV/BV020 AT27C/LV/BV040 AT27C/LV/BV256


    Original     		PDF \btl117 AM27C010 AM27C020 AM27C040 AM27C080 AM27C1024 AM27C128 AM27C2048 AM27C256 AM27C4096 atmel 24c16a ST93C86 EPROM AMD D87C257 atmel 93c66A ATMEL 24c64 39SF512 D27128 NEC P87LPC7648 GAL16AS

    PLCC32-DIP32

    Abstract: ST93C86 PLCC32-DIP28 f29c51002t TSOP40-DIP40 PLCC28-DIP24 d8749h UPD6252 29F400BT TSOP48-DIP48
    Text: Adapter Manual / Handbuch 2 Batronix – Prog-Studio 2006 Benutzer Handbuch TABLE OF CONTENS / INHALTSVERZEICHNIS TABLE OF CONTENS / INHALTSVERZEICHNIS. 2 GENERAL / ALLGEMEINES . 4


    Original     		PDF PLCC20-DIP20 CHIPTS87C51RB2 AT89C55WD DS89C420 P89C51RD2H TS87C51RC2 AT89LS51 P87C504 P89C51X2 TS87C51RD2 PLCC32-DIP32 ST93C86 PLCC32-DIP28 f29c51002t TSOP40-DIP40 PLCC28-DIP24 d8749h UPD6252 29F400BT TSOP48-DIP48

    c5088 transistor

    Abstract: transistor C3207 TLO84CN sec c5088 IN5355B D2817A C3207 transistor toshiba f630 TLO81CP MC74HC533N
    Text: Transistor - Diode Cross Reference - H.P. Part Numbers to JEDEC Numbers Part Num. 1820-0225 1820-0240 1820-0352 1820-1804 1821-0001 1821-0002 1821-0006 1850-0062 1850-0064 1850-0075 1850-0076 1850-0093 1850-0099 1850-0126 1850-0137 1850-0150 1850-0151 1850-0154


    Original     		PDF 1853IMPATT c5088 transistor transistor C3207 TLO84CN sec c5088 IN5355B D2817A C3207 transistor toshiba f630 TLO81CP MC74HC533N

    pic16f877p

    Abstract: m861 ATmel 750 24c04 atmel 620 24C64 PH29EE010 Siemens M841 MM29F040P-XX temic 5557 D27C010A HN462732G
    Text: P801 Device Support List Version 6.6 Please consult device specific information at the end of this list. Stag Programmers Ltd. Silver Court, Watchmead, Welwyn Garden City, Herts AL7 1LT, U.K. Tel +44 1707 332148 Fax +44 1707 371503 sales@stag.co.uk support@stag.co.uk


    Original     		PDF AM27C512 AM27C512L. MBM29F002B-X XC17xx pic16f877p m861 ATmel 750 24c04 atmel 620 24C64 PH29EE010 Siemens M841 MM29F040P-XX temic 5557 D27C010A HN462732G

    HPD17003A

    Abstract: D17010 NEC 2561 pd17017 uPD17017 EV-9200G-80 IE-17K-ET SE-17010 CN14-2 iPD17003A
    Text: mmfc. m «PMMMMt « Ilk USER’S MANUAL wm 1 S i l l 1 i l • » v C at is s r l k . ; Œ SYSTEM EVALUATION BOARD q i i P liP I»«# H :!R 1 T§ SemSwwF P n P D f in ! I H T f i * I' 1 I %*»# Iwm# % *# %m0' 1 % 3 a P D 1 7 0 0 3 A u P D 1 7 0 0 5 : / / P D 1 7 0 1 0


    OCR Scan     		PDF mPDI701 PD17016 U10333EJ2V0yyOO EP-17003GF SE-17010 EV-9200G-80) EV-9200-80 EV-9200G-80-G0 EV-9200-80 EV-9200G-80-P0 HPD17003A D17010 NEC 2561 pd17017 uPD17017 EV-9200G-80 IE-17K-ET CN14-2 iPD17003A

    nec D27c256

    Abstract: D27C256 D27C256 nec PD27C256 27256 EPROM pd27256 mPD27C256 UPD27C256
    Text: N E C EL ECTRONI CS I NC ifl DE^jj t. 4 2 7 5 2 5 □□1274b □ f ~ ~ T ~ Ÿ fr-S 3 mP D 2 7 C 2 5 6 3 2 ,7 6 8 X 8-BIT c m o s u v / o t p e p ro m NEC Electronics Inc. R evision i January 1986 Pin Configuration Description The f/D27C256 is a 262,144-bit ultraviolet erasable and


    OCR Scan     		PDF 1274b uPD27C256 144-bit mPD27C256 28-pin PD27C256 nec D27c256 D27C256 D27C256 nec 27256 EPROM pd27256

    M5M27C100K-XX

    Abstract: NMC27C256Q am2716 CAT28C16A
    Text: P301 Device Support List Version 1 Please consult device specific information at the end o f this list. S T A C5 PROGRAMMERS Stag Programmers Ltd. Silver Court, W atchmead, Welwyn Garden City, Herts AL7 1LT, U.K. Tel 01707 332148 Fax 01707 371503 803 5553


    OCR Scan     		PDF 09E0E0 AM2716 09FOEO AM2716B 09E0E1 AM2732 09F0E1 AM2732B 09E0E2 AM2764-XX M5M27C100K-XX NMC27C256Q CAT28C16A

    Untitled

    Abstract: No abstract text available
    Text: HI b427S2S 0042010 1GB B N E C E . |\|E C NEC Electronics Inc. A/PD78014 Family |tfPD78011 B/012B/013/014/P014 8 ' Bit»K-Series Microcontrollers General Purpose With A/D Converter September 1993 Description The/¿PD78011B, /JPD78012B, /L/PD78013, //PD78014, and


    OCR Scan     		PDF b427S2S /PD78014 tfPD78011 B/012B/013/014/P014) PD78011B, /JPD78012B, /L/PD78013, //PD78014, pPD78P014 h427525

    D87C257

    Abstract: ic 41315 D27256 US94V D2732A intel 2708 eprom intel 4308 intel EPROM RR-35 D27C256
    Text: in ter RELIABILITY REPORT RR-35 November 1990 EPROM RELIABILITY DATA SUMMARY Order Number: 210473-007 5-287 5 RR-35 INTEL EPROM RELIABILITY DATA SUMMARY CONTENTS page The Importance of Reliability. 5-289 EPROM Reliability Data Summary . 5-289


    OCR Scan     		PDF RR-35 D2732A D2764A D27128A D27256 D27C256 D87C257 P2764A. 27C256 D87C257 ic 41315 D27256 US94V D2732A intel 2708 eprom intel 4308 intel EPROM RR-35 D27C256

    d75p308

    Abstract: D27C1000 d27c1000a B7AD D27C256 Schematic PA-78P324LP PA-78P214CW UPD27256A D27C1 D27C256 nec
    Text: User’s Manual P G -1500 PROM PROGRAMMER Document No. U11940EJ4V0UM00 {4th edition O.D.No. EEU-651B) Date Published May 1997 N NECCorporation 1990 Printed in Japan NEC [M E M O ] 1 V2S/35 and V30 are trademarks of NEC Corporation. INTELLEC is a trademark of Intel Corporation.


    OCR Scan     		PDF PG-1500 U11940EJ4V0UM00 EEU-651B) V2S/35 d75p308 D27C1000 d27c1000a B7AD D27C256 Schematic PA-78P324LP PA-78P214CW UPD27256A D27C1 D27C256 nec