Contextual Info: D S1643/DS1643P PRELIMINARY DALLAS SEMICONDUCTOR DS1643/DS1643P Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT • In te g ra te d N V S R A M , real tim e c lock, c rysta l, p o w e rfail c o n tro l c irc u it a n d lithium e n e rg y s o u rce • C lo c k re g is te rs a re a c c e s s e d id e n tic a l to th e sta tic

MK48T08

Abstract: 34-pin DS1643
Contextual Info: DS1643AL PRELIMINARY DS1643AL Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT • Functionally compatible with the MK48T08 Timekeeping RAM • Integrated NV SRAM, real time clock, crystal, power– fail control circuit and lithium energy source • Clock

34-PIN

Abstract: DS1643 DS1643P DS164XP DS9034PCX nv ram 8kx8
Contextual Info: DS 1643/DS 1643 P -70 /1 00 PRELIMINARY DALLAS SEMICONDUCTOR DS1643/DS1643P -70/100 Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT • Integrated NV SRAM, real tim e clock, crystal, p o w e rfail control circuit and lithium energy source • C lock registers are accessed identical to the static

Contextual Info: RELIABILITY MONITOR STRESS TESTS MODULES DEVICE STRESS All Modules* Hi Temp Storage Life DURATION SAMPLE/C CONDITIONS NOTE 48 hours 200/0 85°C / No Bias Split Lots After Stress DS1225/30/DS12887 only Hi Temp Storage Life 1000 hours 20/0 70°C / No Bias DS1643/DS5000T only

Contextual Info: RELIABILITY MONITOR PRODUCT DS1643 w/BR1225 MONITOR DATE DATE CODE ASSEMBLY FACILITY ASSEMBLY LOT NO PROCESS TYPE PACKAGE TYPE Nov-95 9545 B1 DALLAS DA069599AAA N/A 28 MODULE STRESS/JOB NO. Hi Temp Storage 70°C, No Bias P-16652 READPOINT (Sample Size/No. of Fails)

Contextual Info: RELIABILITY MONITOR PRODUCT DS1643 w/BR1225 MONITOR DATE DATE CODE ASSEMBLY FACILITY ASSEMBLY LOT NO PROCESS TYPE PACKAGE TYPE May-97 9719 B2 DALLAS DA093970 N/A 28 MODULE STRESS/JOB NO. Hi Temp Storage 70°C, No Bias P-19683, P-19722 READPOINT (Sample Size/No. of Fails)

Contextual Info: RELIABILITY MONITOR PRODUCT DS1643 w/BR1225 MONITOR DATE DATE CODE ASSEMBLY FACILITY ASSEMBLY LOT NO PROCESS TYPE PACKAGE TYPE Aug-96 9630 B2 DALLAS DA083158 N/A 28 MODULE STRESS/JOB NO. Hi Temp Storage 70°C, No Bias P-17998, P-18019 READPOINT (Sample Size/No. of Fails)

Contextual Info: DS1644 DALLAS DS1644 s e m ic o n d u c to r Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT • Upward compatible with the DS1643 Timekeeping RAM A14 • ’ 28 1 VCC A12 1 2 27§ WE • Integrated NV SRAM, real time dock, crystal, power fail control circuit and lithium energy source

Contextual Info: DS1644/DS1644LPM DALLAS SEMICONDUCTOR DS1644/DS1644LPM Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT • Upward compatible with the DS1643 Timekeeping RAM • Integrated NV SRAM, real time clock, crystal, power fail control circuit and lithium energy source

MK48T08

Abstract: DS1643Y IM1643-12
Contextual Info: IM1643 INNOVATIVE Nonvolatile Timekeeping RAM Features: Form, fit and function compatible with the MK48T08 and DS1643Y Timekeeping RAM. Integrated NV SRAM, real time clock, crystal, power fail control circuit and lithium energy source. Standard JEDEC bytewide 8K X 8 static RAM

Contextual Info: DS1643/DS1643P Nonvolatile Timekeeping RAMs www.maxim-ic.com FEATURES PIN CONFIGURATIONS § Integrated NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit and Lithium Energy Source § Clock Registers are Accessed Identically to the Static RAM. These Registers Reside in the

mk48t08

Abstract: DS1644 DS1644LPM
Contextual Info: DS1644LPM DS1644LPM Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT • Upward compatible with the DS1643AL Timekeeping RAM to achieve higher RAM density • Integrated NV SRAM, real time clock, crystal, power– fail control circuit and lithium energy source

DS1643

Abstract: DS1643P DS164XP DS9034PCX DS1643-120
Contextual Info: DS1643/DS1643P PRELIMINARY DS1643/DS1643P Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT • Integrated NV SRAM, real time clock, crystal, power– fail control circuit and lithium energy source • Clock registers are accessed identical to the static

Contextual Info: DS1643-150 1/2 IL00 * C-MOS 64K (8192 X 8)-BIT NONVOLATILE TIMEKEEPING S-RAM WITH REAL TIME CLOCK -TOP/SIDE VIEW28 27 26 25 24 23 22 21 20 19 18 17 16 15 10 VDD (+5V) 9 8 7 GND 6 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 4 3 25 24 21 23 2 A0 DO0 A1 DO1

DS1643

Contextual Info: RELIABILITY MONITOR PRODUCT DS1643 w/BR1225 MONITOR DATE DATE CODE ASSEMBLY FACILITY ASSEMBLY LOT NO PROCESS TYPE PACKAGE TYPE May-97 9719 B2 DALLAS DA093970 N/A 28 MODULE STRESS/JOB NO. Hi Temp Storage 70°C, No Bias P-19683, P-19722 READPOINT (Sample Size/No. of Fails)

Contextual Info: DALLAS s e m ic o n d u c to r D S1644LPM Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT • Upward compatible with the DS1643AL Timekeeping RAM to achieve higher RAM density NC NC A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 AO • Integrated NV SRAM, real time clock, crystal, powertail control circuit and lithium energy source

Contextual Info: DS1643AL PRELIMINARY DALLAS DS1643AL s e m ic o n d u c to r Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT • Functionally compatible with the MK48T08 Time­ keeping RAM • Integrated NV SRAM, real time clock, crystal, powerfail control circuit and lithium energy source

Contextual Info: DS1644/DS1644L PM DALLAS SEMICONDUCTOR DS1644/DS1644LPM Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT • Upward compatible with the DS1643 Timekeeping RAM • Integrated NV SRAM, real time dock, crystal, power fail control circuit and lithium energy source

Contextual Info: DS1644/DS1644LPM DALLAS SEMICONDUCTOR D S1644/D S 1644LPM Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT • Upward compatible with the DS1643 Timekeeping RAM • Integrated NV SRAM, real time clock, crystal, power fail control circuit and lithium energy source

34-PIN

Abstract: DS1643 DS1643P DS164XP DS9034PCX
Contextual Info: DS1643/DS1643P Nonvolatile Timekeeping RAM www.dalsemi.com PIN ASSIGNMENT FEATURES § Integrated NV SRAM, real time clock, crystal, power-fail control circuit and lithium energy source § Clock registers are accessed identically to the static RAM. These registers are resident in the

Contextual Info: 0S1643/DS1643P P R E L IM IN A R Y PALLAS DS1643/DS1643P s e m ic o n d u c to r Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT • Integrated NV SRAM, real time clock, crystal, powerfail control circuit and lithium energy source • Clock registers are accessed identical to the static

Contextual Info: DALLAS SEMICONDUCTOR Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT DS1644/DS1644LPM A14 | 1 • Upward compatible with the DS1643 Timekeeping RAM • Integrated NV SRAM, real time clock, crystal, power fail control circuit and lithium energy source -

DS1643

Abstract: DS1643-100 DS1643-70 DS1643P DS1643P-100 DS1643P-70 DS164XP DS9034I-PCX DS9034PCX
Contextual Info: 19-5058; Rev 12/09 DS1643/DS1643P Nonvolatile Timekeeping RAMs www.maxim-ic.com FEATURES PIN CONFIGURATIONS • Integrated NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit and Lithium Energy Source • Clock Registers are Accessed Identically to the

MK48T08

Abstract: 34-PIN DS1644 DS1644LPM
Contextual Info: DS1644LPM DALLAS s e m ic o n d u c to r D S 1644 LPM Nonvolatile Tim ekeeping RAM FEATURES PIN ASSIGNMENT • U pward com patible with the DS1643AL Tim ekeeping RAM to achieve higher RAM density • Integrated NV SRAM, real tim e clock, crystal, p o w e rfail control circuit and lithium energy source