Untitled
Abstract: No abstract text available
Text: DALLAS SEMICONDUCTOR 4401 South Beltwood Parkway Dallas, Texas 75244–3292 214 450–0400 Date: September 18, 1995 Subject: PRODUCT CHANGE NOTICE – H50301 Description: Revision to the DS164X Controller IC Description of Change: The Controller IC used in the DS164X products has been redesigned to prevent inadvertent writes to
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H50301
DS164X
150ns
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DS1644-150
Abstract: DS1744P-100 DS1644L-150 DS1647-150 DS1644P-150 DS1744-100 DS174x DS1644L DS1747P-100
Text: DALLAS SEMICONDUCTOR 4401 South Beltwood Parkway Dallas, Texas 75244-3292 972 371-4000 Date: July 31, 2000 Product Change Notice – G002501 Subject: Elimination of Slower Speed Grades in DS164X and DS174X Timekeeping NV RAM Families Description of Change:
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G002501
DS164X
DS174X
DS174X
vo128K
DS1646-120
DS1646L-120
DS1644-150
DS1744P-100
DS1644L-150
DS1647-150
DS1644P-150
DS1744-100
DS1644L
DS1747P-100
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32k ram
Abstract: 8K x 8 128k ram 8K RAM diode 9508 128K x 8 DS164x
Text: DALLAS SEMICONDUCTOR 4401 South Beltwood Parkway Dallas, Texas 75244–3292 214 450–0400 Date: February 7, 1995 Subject: PRODUCT CHANGE NOTICE – A52301 Description: Power Supply Switching Circuitry Change in DS164X Modules An IC internal to the DS164X modules has been modified to improve the power supply switching circuitry. Users of these devices will not notice any change in the operation of the DS164X. Parts affected
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A52301
DS164X
DS164X.
1643L
1644L
1646L
32k ram
8K x 8
128k ram
8K RAM
diode 9508
128K x 8
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DS1643
Abstract: DS1644 DS1644P DS164XP DS9034PCX
Text: DS1644/DS1644P DS1644/DS1644P 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 RAM. These registers are resident in the eight top
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DS1644/DS1644P
DS1644P
DS9034PCX
DS1643
DS1644
DS164XP
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32-PIN
Abstract: DS1647 DS1647P DS164XP DS9034PCX J-STD-020A
Text: DS1647/DS1647P Nonvolatile Timekeeping RAM www.maxim-ic.com FEATURES § § § § § § § PIN ASSIGNMENT Integrates 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
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DS1647/DS1647P
DS1647
DS1647P
DS9034PCX
32-PIN
DS164XP
J-STD-020A
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DS1643
Abstract: DS1644 DS1644P DS164XP DS9034PCX J-STD-020A
Text: DS1644/DS1644P Nonvolatile Timekeeping RAM www.dalsemi.com 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
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DS1644/DS1644P
DS1644
DS1643
DS1644P
DS9034PCX
DS1643
DS164XP
J-STD-020A
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Untitled
Abstract: No abstract text available
Text: 19-5595; Rev 10/10 DS1646/DS1646P Nonvolatile Timekeeping RAM www.maxim-ic.com FEATURES • • Integrates NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit and Lithium Energy Source Clock Registers are Accessed Identically to
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DS1646/DS1646P
DS1646
DS1646P
Mou0246
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Untitled
Abstract: No abstract text available
Text: DS1646/DS1646P Nonvolatile Timekeeping RAM www.dalsemi.com FEATURES − − − − − PIN ASSIGNMENT Integrates 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
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DS1646/DS1646P
DS1646
DS1646P
DS1646/DS1646P
DS9034PCX
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DS1647
Abstract: DS1647-120 DS1647P DS1647P120 DS1647P-120 DS164XP DS9034PC DS9034PCX
Text: DS1647/DS1647P Nonvolatile Timekeeping RAM www.maxim-ic.com FEATURES PIN CONFIGURATIONS Integrates 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
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DS1647/DS1647P
DS1647
DS1647P
28-pin
56-G0002-001
32-pin
56-G0003-001
DS1647-120
DS1647P120
DS1647P-120
DS164XP
DS9034PC
DS9034PCX
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DS1646-150
Abstract: DS9034PC DS1646 DS1646P DS164XP DS9034PCX
Text: DS1646/DS1646P DS1646/DS1646P Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT • Integrated NV SRAM, real time clock, crystal, power– NC A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 GND fail control circuit and lithium energy source • Clock registers are accessed identical to the static
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DS1646/DS1646P
DS1646P
DS9034PCX
DS1646-150
DS9034PC
DS1646
DS164XP
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Untitled
Abstract: No abstract text available
Text: 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
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DS1643/DS1643P
100ns
DS1643
56-G0003-001A1
DS1643P-85+
DS1643P-100
DS1643P-100+
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DS1644-120
Abstract: DS1643 DS1644 DS16440-120 DS1644P DS1644P120 DS1644P-120 DS164XP DS9034PCX
Text: DS1644/DS1644P Nonvolatile Timekeeping RAM 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 are
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DS1644/DS1644P
DS1644
DS1643
DS1644-120
DS1643
DS16440-120
DS1644P
DS1644P120
DS1644P-120
DS164XP
DS9034PCX
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DS1643
Abstract: DS1643P DS164XP DS9034PCX DS1643-120
Text: 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
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DS1643/DS1643P
DS1643P
DS9034PCX
DS1643
DS164XP
DS1643-120
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Untitled
Abstract: No abstract text available
Text: 19-5596; Rev 10/10 DS1647/DS1647P Nonvolatile Timekeeping RAM www.maxim-ic.com PIN CONFIGURATIONS FEATURES • • Integrates NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit, and Lithium Energy Source Clock Registers Are Accessed Identically to
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DS1647/DS1647P
DS1647
DS1647P
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T 930 S 1600 TFB
Abstract: No abstract text available
Text: DS164Ç/DS164ÇP DS1646 DS1646P DALLAS s e m ic o n d u c t o r Nonvolatile Tim ekeeping R A M FEATURES PIN ASSIGNMENT • Integrated NVS R AM , real time dock, crystal, p o w e rtail control circuit and lithium energy source NC Ale ]1 320 ¡2 10 A 14 • Clock registers are accessed identical to the static
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OCR Scan
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DS164
/DS164
DS1646P
DS9034PCX
T 930 S 1600 TFB
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34-PIN
Abstract: DS1643 DS1643P DS164XP DS9034PCX nv ram 8kx8
Text: 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
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OCR Scan
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DS1643/DS1643P-70/100
DS1643P
DS9034PCX
34-PIN
DS1643
DS164XP
nv ram 8kx8
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DS1248V
Abstract: No abstract text available
Text: APPLICATION NO TE 52 PALLAS s e m ic o n d u c to r Application Note 52 Using the Dallas Phantom Real Time Clocks DESCRIPTION DS1216: The Dallas Phantom Real Time Clocks are a family of devices that offer the combination of a transparent CMOS timekeeper and a nonvolatile static RAM meet
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OCR Scan
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64-bit
DS1248V
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interfacing of ROM with 8051
Abstract: microcontroller 8051 7 segment alarm clock
Text: APPLICATION NOTE 52 DALLAS s e m ic o n d u c to r Application Note 52 Using thG Dallss PhBntorn R6 3 l Tirn Clocks DESCRIPTION DS1216: The Dallas Phantom Real Time Clocks are a family of devices that offer the combination of a transparent CMOS timekeeper and a nonvolatile static RAM meet
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OCR Scan
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64-bit
interfacing of ROM with 8051
microcontroller 8051 7 segment alarm clock
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Untitled
Abstract: No abstract text available
Text: OS 1646/D S1646P E^A lLL SEMICONDUCTOR DS1646/DS1646P Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT • Integrated NV SRAM, real time clock, crystal, powerfail control circuit and lithium energy source NC 1 A16 1 A14 1 • Clock registers are accessed identical to the static
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OCR Scan
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1646/D
S1646P
DS1646/DS1646P
DS164XP
DS9034PCX
DS1646-XXX
32-pin
A0-A16
DS1646P-XXX
34-pin
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Untitled
Abstract: No abstract text available
Text: DS1646/DS1646P Nonvolatile Timekeeping RAM DALLAS SEMICONDUCTOR PIN ASSIGNMENT FEATURES • ■ ■ ■ ■ ■ ■ ■ Integrates NV SRAM, real time clock, crystal, power-fail control circuit and lithium energy source Clock registers are accessed identically to the
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OCR Scan
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DS1646/DS1646P
DS1646
DS1646P
DS9034PCX
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PDF
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Untitled
Abstract: No abstract text available
Text: D S 1647/D S 1S 47P PHELlMiNARY f iA I • A C - Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT DS1647/DS1647P A I6 B 2 A14 §3 A l2 • Clock registers are accessed identical to the static RAM. These registers are resident In the eight top RAM locations.
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OCR Scan
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1647/D
DS1647/DS1647P
DS1647/DS1847P
DS1847P
DS9034PCX
DS1647/DS
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1646P
Abstract: No abstract text available
Text: D S 1646/D S1646P DALLAS SEMICONDUCTOR Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT DS1646/DS1646P • Integrated NVS R AM , real time dock, crystal, p o w e rfail control circuit and lithium energy source NC ]1 A16 ¡2 3 2 0 Vcc 3 1 1 A15 A14 ¡3 ¡4
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OCR Scan
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1646/D
S1646P
DS1646/DS1646P
646/DS1
DS1646P
DS9034PCX
1646P
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PDF
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647P
Abstract: No abstract text available
Text: D S 1647/D S1647P PRELIM INARY DALLAS SEMICONDUCTOR D S 1 6 4 7 /D S 1 6 4 7 P Nonvolatile Tim ekeeping RAM FEATURES PIN ASSIGNMENT A18 • Integrated NVS R AM , real time clock, crystal, p o w e rfail control circuit and lithium energy source • Clock registers are accessed identical to the static
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OCR Scan
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1647/D
S1647P
DS1647
DS1646
647/DS1
DS1647P
DS9034PCX
647P
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Untitled
Abstract: No abstract text available
Text: DS1644/DS1644P Nonvolatile Timekeeping RAM DALLAS SEMICONDUCTOR PIN ASSIGNMENT FEATURES • ■ ■ ■ ■ ■ ■ ■ Integrated N V SRAM, real time clock, crystal, power-fail control circuit and lithium energy source Clock registers are accessed identically to the
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OCR Scan
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DS1644/DS1644P
DS1643
644/D
1644P
DS1644P
DS9034PCX
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PDF
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