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DS1644P-120+ Maxim Integrated Products Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, POWERCAP MODULE BOARD-34 visit Digikey Buy

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Part : DS1644L-120 Supplier : Maxim Integrated Products Manufacturer : Rochester Electronics Stock : 1,105 Best Price : $45.94 Price Each : $45.94
Part : DS1644P-120 Supplier : Maxim Integrated Products Manufacturer : Rochester Electronics Stock : 78 Best Price : $27.01 Price Each : $27.01
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Part : DS1644-150 Supplier : Maxim Integrated Products Manufacturer : Bristol Electronics Stock : 2 Best Price : $21.60 Price Each : $21.60
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DS1644 Datasheet

Part Manufacturer Description PDF Type
DS1644 Dallas Semiconductor Nonvolatile Timekeeping RAM Original
DS1644 Dallas Semiconductor Nonvolatile Timekeeping RAM Original
DS1644 Dallas Semiconductor Nonvolatile Timekeeping RAM Original
DS1644 Maxim Integrated Products Nonvolatile Real-Time Clocks RAM Original
DS16440-120 Maxim Integrated Products Nonvolatile Timekeeping RAM Original
DS16440120+ Maxim Integrated Products Nonvolatile Timekeeping RAM Original
DS1644-120 Dallas Semiconductor 32K x 8 nonvolatile timekeeping static RAM, 120ns access Original
DS1644+120 Maxim Integrated Products Nonvolatile Timekeeping RAM Original
DS1644-120 Maxim Integrated Products Nonvolatile Timekeeping RAM Original
DS1644-120+ Maxim Integrated Products Nonvolatile Timekeeping RAM. Lead-free Original
DS1644-120 Maxim Integrated Products Clock/Timing - Real Time Clocks, Integrated Circuits (ICs), IC RTC CLK/CALENDAR PAR 28-EDIP Original
DS1644-120+ Maxim Integrated Products Clock/Timing - Real Time Clocks, Integrated Circuits (ICs), IC RTC CLK/CALENDAR PAR 28-EDIP Original
DS1644-120 Dallas Semiconductor Nonvolatile Timekeeping RAM Scan
DS1644-150 Dallas Semiconductor 32K x 8 nonvolatile timekeeping static RAM, 150ns access Original
DS1644-150 Dallas Semiconductor Nonvolatile Timekeeping RAM Scan
DS1644-DS1644P Maxim Integrated Products Nonvolatile Real Time Clocks RAM Original
DS1644L-120 Dallas Semiconductor Nonvolatile Timekeeping RAM Original
DS1644L-120 Maxim Integrated Products Nonvolatile Timekeeping RAM Original
DS1644L-150 Dallas Semiconductor Nonvolatile Timekeeping RAM Original
DS1644LPM Dallas Semiconductor Nonvolatile Timekeeping RAM Original
Showing first 20 results.

DS1644

Catalog Datasheet MFG & Type PDF Document Tags

DS1644-150

Abstract: LL _ 041697 6/13 DS1644/DS1644P AC ELECTRICAL CHARACTERISTICS DS1644-120 PARAMETER Read , 10%) DS1644-150 UNITS MIN MAX MIN 150 120 120 40 100 40 5 5 5 120 0 100 5 30 120 40 10 85 0 15 10 , DS1644/DS1644P PRELIMINARY DALLAS SEMICONDUCTOR FEATURES · Integrated NVS R AM , real time , DS1644/DS1644P Nonvolatile Timekeeping RAM 2100 · Pow er-fail w rite protection allows fo r± 1 0% V , books DS1644/DS1644P DESCRIPTION The DS1644 is a 32K x 8 nonvolatile static RAM with a full
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OCR Scan
DS1644/DS1644P DS1643 DS164XP 1644-X 28-PIN DS9034PCX
Abstract: °C; VCC = 5.0V ± 10%) DS1644-12 PARAMETER DS1644â'" 15 UNITS SYMBOL MIN MAX MIN 150 , protection allows for±10% Vcc pow­ er supply tolerance ORDERING INFORMATION DS1644-XX (28-pin DIP , A4 A3 A2 A1 A0 34-P IN LOW PROFILE MODULE DS1644L-XX (Low Profile Module) L * - -1 2 , bTl DS1644/DS1644LPM DESCRIPTION The DS1644LPM is a low profile module that fits into a standard 68-pin PLCC surface mountable socket and is functionally equivalent to the DS1644. The DS1644 is -
OCR Scan
DS1644/D 1644LPM DS1644/DS DS1644/DS1644LPM 34-PIN 34P-SM

DS1644-120

Abstract: DS1643 PowerCap* 34 PowerCap* TOP MARK DS1644+120 DS1644-120 DS1644P+120 DS1644P-120 *DS9034-PCX , ) PowerCap is a registered trademark of Dallas Semiconductor. ORDERING INFORMATION PART DS16440120+ DS16440-120 DS1644P120+ DS1644P-120 VOLTAGE RANGE (V) 5.0 5.0 5.0 5.0 TEMP RANGE PIN-PACKAGE , DS1644/DS1644P Nonvolatile Timekeeping RAM www.maxim-ic.com FEATURES § § § § § § § , mark will include a "+" symbol on lead-free devices. 1 of 13 REV: 040805 DS1644/DS1644P
Maxim Integrated Products
Original

DS1644-150

Abstract: DS1643 %) PARAMETER SYMBOL DS1644-120 DS1644-150 UNITS NOTES MIN MAX MIN MAX Read Cycle Time IRC 120 150 ns , DS1644/DS1644P DALLAS SEMICONDUCTOR DS1644/DS1644P Nonvolatile Timekeeping RAM FEATURES â , densities of DS164XP Timekeeping RAM ORDERING INFORMATION DS1644-XXX 28-pin DIP module -120 120 ns access -150 150 ns access *DS1644P-XXX 34-pin PowerCap Module Board L-1 20 120 ns access -150 150 ns access , Its Respective Manufacturer DS1644/DS1644P DESCRIPTION The DS1644 is a 32K x 8 nonvolatile static
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OCR Scan

DS1644-150

Abstract: 34-pin 5.0V ± 10%) AC ELECTRICAL CHARACTERISTICS DS1644­120 DS1644­150 MIN PARAMETER MIN , DS1644/DS1644P PRELIMINARY DS1644/DS1644P Nonvolatile Timekeeping RAM FEATURES PIN , DQ2 DQ1 DQ0 GND 28­pin DIP module ­120 ­150 120 ns access 150 ns access *DS1644P­XXX 34 , 34­PIN POWERCAP MODULE BOARD (USES DS9034PCX POWERCAP) ORDERING INFORMATION DS1644­XXX 1 2 , ) Crystal Connection Battery Connection 041697 1/13 DS1644/DS1644P DESCRIPTION The DS1644 is a
Dallas Semiconductor
Original

DS1644

Abstract: DS1644-120 INFORMATION PART DS1644-120+ DS1644P-120+ VOLTAGE (V) 5.0 5.0 TEMP RANGE 0°C to +70°C 0°C to , "+" symbol on lead(Pb)-free devices. 1 of 14 TOP MARK DS1644+120 DS1644P+120 DS1644 , 19-5203; Rev 4/10 DS1644/DS1644P Nonvolatile Timekeeping RAM www.maxim-ic.com FEATURES , and update cycles are avoided. 2 of 14 DS1644/DS1644P PACKAGES The DS1644 is available in two , DATA RETENTION MODE DS1644/DS1644P SETTING THE CLOCK The MSB Bit, (B7) of the control register
Maxim Integrated Products
Original
DS9034I-PCX
Abstract: °C; VCC = 5.0V ± 10%) DS1644-12 PARAMETER DS1644-15 UNITS SYMBOL MIN MAX MIN NOTES , tolerance DS1644-XX (28-pin DIP module) L *- -1 2 -1 5 DS1644L-XX 120 ns access 150 ns access , DS1644/DS1644L PM DALLAS SEMICONDUCTOR DS1644/DS1644LPM Nonvolatile Timekeeping RAM , DS1644. The DS1644isa 32K x 8 nonvolatile static RAM with a full function real time clock which are , Figure 1 090895 2/11 2bl4130 0013771 6^3 DS1644/DS1644LPM DS1644 TRUTH TABLE Table 1 -
OCR Scan
DS1644/DS1644L 34P-SMT-3 G0137
Abstract: CHARACTERISTICS (0°C to 70°C; Vcc = 5.0V ± 10%) DS1644-12 PARAMETER DS1644-15 SYMBOL UNITS MIN , protection allows for ±10% Vqc power supply tolerance ORDERING INFORMATION DS1644-XX L DS1644L-XX , DS1644/DS1644LPM DALLAS SEMICONDUCTOR D S1644/D S 1644LPM Nonvolatile Timekeeping RAM , ) 031794 1/11 533 DS1644/DS1644LPM predictable system operation brought on by low Vcc as errant , into a standard 68-pin PLCC surface mountable socket and is functionally equivalent to the DS1644. -
OCR Scan
A0-A14
Abstract: DS1644-12 PARAMETER Read Cycle Time Address Access Time CE Access Time C l Data Off Time Output Enable , %) DS1644-15 MAX UNITS ns 150 150 50 120 50 ns ns ns ns ns ns ns ns ns ns ns ns ns 50 ns ns ns ns NOTES , DS1644/DS1644LPM Nonvolatile Timekeeping RAM PIN ASSIGNMENT A14 | 1 A12 2 8 | 27 | 26 | 25 | VCC WE , Mil Extended) ORDERING INFORMATION DS1644-XX (28-pin DIP module) -12 -15 120 ns access 150 ns access L DS1644L-XX (Low Profile Module) 120 ns access 150 ns access L - -12 -15 PIN -
OCR Scan

DS1643

Abstract: DS1644 DS16440120+ DS16440-120 DS1644P120+ DS1644P-120 VOLTAGE RANGE (V) 5.0 5.0 5.0 5.0 TEMP RANGE , PowerCap* 34 PowerCap* TOP MARK DS1644+120 DS1644-120 DS1644P+120 DS1644P-120 *DS9034-PCX , DS1644/DS1644P Nonvolatile Timekeeping RAM www.maxim-ic.com FEATURES , top mark will include a "+" symbol on lead-free devices. 1 of 13 REV: 040805 DS1644/DS1644P , and update cycles are avoided. 2 of 13 DS1644/DS1644P PACKAGES The DS1644 is available in two
Maxim Integrated Products
Original

DS1643

Abstract: DS1644 5.0V ± 10%) AC ELECTRICAL CHARACTERISTICS DS1644­120 DS1644­150 MIN PARAMETER MIN , DS1644/DS1644P DS1644/DS1644P Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT · , DQ0 GND 28­pin DIP module ­120 ­150 120 ns access 150 ns access *DS1644P­XXX 34 , ­PIN POWERCAP MODULE BOARD (USES DS9034PCX POWERCAP) ORDERING INFORMATION DS1644­XXX 1 2 3 4 5 6 7 , ) Crystal Connection Battery Connection 031698 1/12 DS1644/DS1644P DESCRIPTION The DS1644 is a
Dallas Semiconductor
Original

mk48t08

Abstract: 1326G SYMBOL DS1644-12 DS1644â'"15 UNITS NOTES MIN MAX MIN MAX Read Cycle Time tRC 120 150 ns , DS1644â'"XX (28-pin DIP module) Iâ'" -12 120 ns access -15 150 ns access DS1644L-XX (Low Profile Module) u , and is functionally equivalent to the DS1644. The DS1644isa 32K x 8 nonvolatile static RAM with a full , DS1644/DS1644LPM DALLAS SEMICONDUCTOR DS1644/DS1644LPM Nonvolatile Timekeeping RAM FEATURES , DD147SN fc>Tl â  This Material Copyrighted By Its Respective Manufacturer DS1644/DS1644LPM DESCRIPTION
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OCR Scan
mk48t08 1326G CE 2711 a21g 0G147 34P-SMT
Abstract: Protection Voltage VpF 031794 6/11 538 DS1644/DS1644LPM AC ELECTRICAL CHARACTERISTICS DS1644-12 , %) DS1644-15 MIN 150 120 120 40 100 40 5 5 5 120 0 100 15 120 40 10 85 15 15 110 20 5 5 5 150 0 120 20 150 , DS1644/DS1644LPM DALLAS SEMICONDUCTOR FEATURES · Upward compatible with the DS1643 Timekeeping , -Pin Encapsulated Package (720 Mil Extended) ORDERING INFORMATION DS1644-XX (28-pin DIP module) L * - -1 2 -1 5 DS1644L-XX 120 ns access 150 ns access 34-Pin Low Profile Module (Scheduled Availability is QTR 31994 -
OCR Scan

KF1027A-2.54-4P

Abstract: 150 0 120 5 30 90 MAX MIN 150 (0°C to 70°C; Vc c = 5.0V ± 10%) DS1644-1 SO UNITS MAX ns 150 150 50 , qq pow er supply tolerance · DS1644 only (DIP Module) Upward com patible with the DS1643 T im ekeep , ) · DS1644P only (PowerCap Module Board) Surface m ountable package for direct connec tion to PowerCap , Enable +5 Volts Ground Data Input/O utput No Connection Power-fail Output (DS1644P only) Crystal , DS1 5 4 4 /DS1 544P DESCRIPTION The DS1644 is a 32K x 8 nonvolatile static RAM with a full
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OCR Scan
KF1027A-2.54-4P 644/D 1644P 1544/D 1544P
Abstract: CHARACTERISTICS_ (0°C to 70°C; Vcc = 5.0V ± 10%) DS1644-120 DS16 4 4 -1 5 0 SY M B O , DS1644/DS1644P P R E L IM IN A R Y DALLAS s e m ic o n d u c t o r D S 1644/D S 1644P , 6 9 7 1 /1 3 DS1644/DS1644P D E S C R IP T IO N the crystal and battery. This design allows , DQ0-DQ7 i> DS1644/DS1644P DS1644 TRUTH TABLE T a b le 1 MODE DQ POW ER X X , ) at 25°C. 041697 3/13 2bl4130 O Q l b ' m 327 DS1644/DS1644P DS1644 REGISTER MAP - -
OCR Scan
S1644 S1644P S1644/DS1644P 1644/DS1644P

DS1643

Abstract: DS1644 DS1644/DS1644P Nonvolatile Timekeeping RAM www.dalsemi.com FEATURES - - - - - - , Crystal Connection - Battery Connection 090800 DS1644/DS1644P ORDERING INFORMATION DS1644 28 , within a second after the read bit is written to 0. 2 of 11 DS1644/DS1644P DS1644 BLOCK DIAGRAM , /DS1644P CLOCK ACCURACY (DIP MODULE) The DS1644 is guaranteed to keep time accuracy to within ±1 minute , . 4 of 11 DS1644/DS1644P RETRIEVING DATA FROM RAM OR CLOCK The DS1644 is in the read mode
Dallas Semiconductor
Original
J-STD-020A

dallas 32k timekeeping nvram

Abstract: DS1642 for the DS87C320 and DS1644. A reference RTC clock shematic follows the code. DS1644/DS1646 Code /*/ /* DS1644.c - Access DS1644/6, DS1744/6 using Reference RTC circuit */ /* This program if for example only , ) DS1642 2k × 8 5 DS1643 8k × 8 5 DS1644 32k × 8 5 DS1646 128k × 8 5 DS1647 512k × , example, a DS1644 or DS1646 is connected to a DS87C320. The DS87C320 high-speed microcontroller is , ) /* - */ { uchar i, M, M1; RSTb = 1; printf("\n1) DS1644 or 2) DS1646 ? "); i = _getkey(); if (i
Maxim Integrated Products
Original
DS1742 DS1743 DS1744 DS1746 dallas 32k timekeeping nvram AD161 DS174 DS164
Abstract: AC ELECTRICAL CHARACTERISTICS DS1644-12 PARAMETER Read Cycle Time Address Access Time CE Access Time , DS1644 s e m ic o n d u c to r DALLAS Nonvolatile Timekeeping RAM DS1644 FEATURES · , - Write Enable - +5 Volts - Ground - Data Input/Output DESCRIPTION The DS1644 is a 32K x 8 , access to time register data. The DS1644 also contains its own power fail drcuitry which deselects the , 6-2 6 DS1644 CLOCK OPERATIONS READING THE CLOCK While the double buffered register structure -
OCR Scan
Abstract: DS1644/DS1644P Nonvolatile Timekeeping RAM DALLAS © SEMICONDUCTOR PIN ASSIGNMENT , Vcc GND DQ0-DQ7 NC PFO X I, X2 V bat 1 of 11 - Power-fail Output (DS1644P only) - Crystal Connection - Battery Connection 081099 D S1644/D S 1644P ORDERING INFORMATION DS1644-XXX , *DS1644P-XXX I I- *DS9034PCX 34-pin PowerCap Module Board -120 120 ns access -150 150 ns , 8 static RAM pinout DS1644P only (PowerCap Module Board) - Surface mountable package for direct -
OCR Scan
720-MIL

DS1643

Abstract: DS1644 DS1644/DS1644P Nonvolatile Timekeeping RAM www.dalsemi.com FEATURES - - - - - - , Crystal Connection - Battery Connection 022101 DS1644/DS1644P ORDERING INFORMATION DS1644 28 , within a second after the read bit is written to 0. 2 of 11 DS1644/DS1644P DS1644 BLOCK DIAGRAM , /DS1644P CLOCK ACCURACY (DIP MODULE) The DS1644 is guaranteed to keep time accuracy to within ±1 , . 4 of 11 DS1644/DS1644P RETRIEVING DATA FROM RAM OR CLOCK The DS1644 is in the read mode
Dallas Semiconductor
Original
Abstract: unta ble soc ket 255 mil p a ckage height 68-p in P LC C surface DS1644/DS1 644LPM Nonvolatile , S e m ic o n d u c to r d a ta b o o k s . 070 69 5 1/11 DS1644/D S1644L PM DESCRIPTION , A M F ig u re 1 070695 2i11 DS1644/D S1644L PM D S1 6 4 4 T R U T H T A BL E T a ble 1 o o , ncy test bit is set to logic 1 and the oscillato r is 0 7 0 6 9 5 3 y11 DS1644/D S1644L PM , DS1644/D S1644L PM DA T A R E T E N T I O N M O D E W h e n V q c ¡s within no minal limits ( V c c -
OCR Scan
S1644LPM DS1644/DS1
Showing first 20 results.