DS1367

Contextual Info: D S1 30 5/D S1 38 7 DALLAS SEMICONDUCTOR DS1385/DS1387 RAMified Real Time Clock 4K x 8 PIN ASSIGNMENT FEA TU RES • Upgraded IBM AT computer clock/calendar with 4K x 8 extended RAM OERC 1 • Totally nonvolatile with over 10 years of operation in the absence of power

Contextual Info: DALLAS SEMICONDUCTOR FEATURES DS1380 RAM port PIN ASSIGNMENT • 2K x 8 static RAM • 8 -B it transparent I/O port • Battery connection provided for nonvolatility • M ultiplexed address/data bus reduces pin count • 5% or 10% V qc tolerance • Power Fail output signal

Contextual Info: DALLAS DS1381 NV RAMport SEMICONDUCTOR PIN ASSIGNMENT FEATURES • 2K X 8 Nonvolatile Static RAM • 8-Bit Transparent I/O Port • Greater than 10 years of data retention in absence of v cc TOL 1 1 PF 1 2 241 Vcc 2 31 CLK PI1 13 221 P08 P01 1 4 21 1 Pie PI2 1 5

Contextual Info: DS1385/DS1387 DALLAS DS1385/DS1387 RAMified Real Time Clock 4K x 8 SEMICONDUCTOR PIN ASSIGNMENT FEATURES • Upgraded IBM AT computer elock/calendar with 4K x 8 extended RAM • Totally nonvolatile with over 10 years of operation in the absence of power o er

Contextual Info: DALLAS DS1381 SEMICONDUCTOR N V RAMport FEATURES PIN ASSIGNMENT • 2K X 8 Nonvolatile Static RAM • 8-Bit Transparent I/O Port TO L 1 1 24 • V CC PF 1 2 23 I CLK • Greater than 10 years of data retention in absence of v cc PM 1 3 22 ■ P 01 1 4 21 ■

DS1486

Abstract: DS1384 DS1386
Contextual Info: DALLAS SEMICONDUCTOR 4401 South Beltwood Parkway Dallas, Texas 75244–3292 214 450–0400 Date: June 15, 1994 To: Subject: PRODUCT CHANGE NOTICE – F40701 Description: DS1384 Burn–In Duration Reduction Effective work week 9441, the burn–in duration on the DS1384 Controller Chip will be reduced to 12

DS138833

Abstract: "network interface cards"
Contextual Info: Rev 0; 4/05 I2C RTC/Supervisor with Trickle Charger and 512 Bytes EEPROM The DS1388 real-time clock RTC , supervisor, and EEPROM is a multifunction device that provides a clock/calendar, programmable watchdog timer, powersupply monitor with reset, and 512 bytes of EEPROM.

Contextual Info: D S 1 3 8 5/D S 1 38 7 DALLAS SEMICONDUCTOR DS1385/DS1387 RAM ified Real Tim e C lock 4K x 8 FEATURES PIN ASSIGNMENT • Upgraded IBM AT computer clock/calendar with 4K x 8 extended RAM • Totally nonvolatile with over 10 years of operation in the absence of power

Contextual Info: DS1384 DALLAS SEMICONDUCTOR DS1384 Watchdog Timekeeping Controller FEATURES PIN ASSIGNMENT • Keeps track of hundredths of seconds, seconds, m in­ utes, hours, days, date of the month, months, and years with leap ye a r com pensation valid up to 2100 • W atchdog tim er restarts an o u t-o f-co n tro l processor

DS1380S

Abstract: DS1380 DS1381
Contextual Info: DS1380 DS1380 RAMport FEATURES PIN ASSIGNMENT • 2K x 8 static RAM • 8–Bit transparent I/O port TOL 1 24 VCC PF 2 23 CLK PI1 3 22 PO8 PO1 4 21 PI8 PI2 5 20 VBAT PO2 6 19 MEM PI3 7 18 PO7 PO3 8 17 PI7 PI4 9 16 GND PO4 10 15 PO6 PI5 11 14 PI6 GND 12 13

DS1386-8K 120

Abstract: 100HZ 1024HZ DS1386 DS1386P DS9034PCX
Contextual Info: Back DS1386/DS1386P PRELIMINARY DS1386/DS1386P RAMified Watchdog Timekeeper FEATURES PIN ASSIGNMENT • 8K or 32K bytes of user NV RAM INTA • Integrated NV SRAM, real time clock, crystal, power– INTB NC A12 1 2 3 4 A7 5 A6 6 A5 7 8 9 fail control circuit and lithium energy source

DS1381

Abstract: P01-P08
Contextual Info: DS1381 DALLAS DS1381 NV RAMport s e m ic o n d u c to r PIN ASSIGNMENT FEATURES • 2K x 8 Nonvolatile S tatic RAM • 8 -B it transparent I/O Port • G reater than 10 years of data retention in absence of V CC • M ultiplexed address/data bus reduces pin count

100HZ

Abstract: 1024HZ DS1384
Contextual Info: DS1384 DS1384 Watchdog Timekeeping Controller FEATURES PIN ASSIGNMENT GND X1 X2 GND A16 INTA VCC VCCO SQW PF0 VBAT2 • Keeps track of hundredths of seconds, seconds, minutes, hours, days, date of the month, months, and years with leap year compensation valid up to 2100

Contextual Info: DS1381 DALLAS SEMICONDUCTOR DS1381 NV RAMport PIN ASSIGNMENT FEATURES • 2K x 8 Nonvolatile Static RAM TOL PF 1 1 241 VCc 1 2 231 CLK PI1 1 3 221 P08 P01 1 4 211 pie PI2 1 5 201 NC • Multiplexed address/data bus reduces pin count P02 1 6 191 MEM PI3 1 7

Contextual Info: DS1386 DALLAS SEMICONDUCTOR DS1386 RAMified Watchdog Timekeeper FEATURES PIN ASSIGNMENT • 8K or 32K bytes of user NV RAM INTA 3 1 tNTB 3 2 NC i 3 A12 3 4 A7 3 5 • Real time quartz clock/calendar keeps track of hun­ dredths of seconds, seconds, minutes, hours, days,

PM 3226

Abstract: DS1387 DS1367
Contextual Info: DS1385/DS1387 DALLAS SEMICONDUCTOR DS1385/DS1387 RAMified Real Time Clock 4K x 8 PIN ASSIGNMENT FEATURES • Upgraded IBM AT computer clock/calendar with 4K x 8 extended RAM Ô ERC • Totally nonvolatile with over 10 years of operation in the absence of power

DS1287 real time

Abstract: DS1385
Contextual Info: DALLAS se m ic o n d u c to r DS1385/DS1387 RAMified Real Time Clock 4K x 8 PIN ASSIGNMENT FEATURES • Upgraded IBM AT computer clock/calendar with 4K x 8 extended RAM oerC xm • Totally nonvolatile with over 10 years of operation in the absence of power

DS1387

Abstract: DS1385 DS1385S DS1287 DS1287 real time Dallas DS1387
Contextual Info: DS1385/DS1387 DS1385/DS1387 RAMified Real Time Clock 4K x 8 FEATURES PIN ASSIGNMENT • Upgraded IBM AT computer clock/calendar with 4K x 8 extended RAM • Totally nonvolatile with over 10 years of operation in the absence of power • Counts seconds, minutes, hours,

DS1386-32K-120

Abstract: DS1386-32K DS1386-8K 120 DS1386 DS1386-32-120 DS1386-8-120 DS1386P-32-120 DS1386P-32K-120 DS1386P-8-120 DS9034PCX
Contextual Info: DS1386/DS1386P RAMified Watchdog Timekeeper www.maxim-ic.com FEATURES § § § § § § § § PIN CONFIGURATIONS 8kB or 32kB of User NV RAM Integrated NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit, and Lithium Energy Source Totally Nonvolatile With Over 10 Years

Contextual Info: DS1388 I2C RTC/Supervisor with Trickle Charger and 512 Bytes EEPROM General Description Features The DS1388 I2C real-time clock RTC , supervisor, and ♦ Fast (400kHz) I2C Interface EEPROM is a multifunction device that provides a clock/calendar, programmable watchdog timer, powersupply monitor with reset, and 512 bytes of EEPROM.

circuit diagram of ddr ram

Abstract: Microcontroller AT89C2051 pin diagram TDZ TR 18 Microcontroller AT89S52 40 pin DS1381
Contextual Info: DS1381 DS1381 NV RAMport FEATURES PIN ASSIGNMENT • 2K x 8 Nonvolatile Static RAM TOL PF 1 24 VCC 2 23 CLK PI1 3 22 PO8 PO1 4 21 PI8 PI2 5 20 NC • Multiplexed address/data bus reduces pin count PO2 6 19 MEM • Write protection for both RAM and port status at either

DSI360

Abstract: DS1360 DS1380 DS1380S DS1381
Contextual Info: DS1380. DS1380S DALLA S S E M I C O N D U C T O R CORP SQE D 2bl413D DDOMbTb b DALLAS SEMICONDUCTOR DS1380, D S1 3 8 0 S RAMport ''T-4 L - 2 3 s T FEATURES PIN ASSIGNMENT • 2 K X 8 Static RAM TO L C 1 24 3 • 8-Bit Transparent I/O Port Vd d WC 2 23 C LK

electronics watchdog application notes

Abstract: DS1386 DS1486 TIMEKEEPER
Contextual Info: DS1386/DS1386P RAMified Watchdog Timekeeper FEATURES • 8K or 32K bytes of user NV RAM • Integrated NV SRAM, real time clock, crystal, power– fail control circuit and lithium energy source • Totally nonvolatile with over 10 years of operation in the

DS1386-8K 120

Abstract: 32-PIN DS1386 DS1386P DS9034PCX J-STD-020A
Contextual Info: DS1386/DS1386P RAMified Watchdog Timekeeper www.maxim-ic.com FEATURES § § § § § § § § PIN ASSIGNMENT 8 or 32 kbytes of user NV RAM Integrated NV SRAM, real time clock, crystal, power-fail control circuit and lithium energy source Totally nonvolatile with over 10 years of