丝印：DS9034PCX；Nonvolatile Timekeeping RAM

文件：186.6 Kbytes 页数：10 Pages

ARTSCHIP

丝印：DS9034PCX；Nonvolatile Timekeeping RAM

文件：186.6 Kbytes 页数：10 Pages

ARTSCHIP

4MEG NV Y2KC Timekeeping RAM

DESCRIPTION The DS1557 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with a RTC alarm, watchdog timer, power-on reset, battery monitor, and 512k x 8 non-volatile static RAM. User access to all registers within the DS1557 is accomplished with a bytewide interface a

文件：268.72 Kbytes 页数：19 Pages

DallasDallas Semiconductor

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Y2KC Nonvolatile Timekeeping RAM

DESCRIPTION The DS1743 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) and 8k x 8 nonvolatile static RAM. User access to all registers within the DS1743 is accomplished with a bytewide interface as shown in Figure 1. The RTC information and control bits reside in

文件：247.62 Kbytes 页数：17 Pages

DallasDallas Semiconductor

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RAMified Watchdog Timekeeper

DESCRIPTION The DS1386 is a nonvolatile static RAM with a full-function Real Time Clock (RTC), alarm, watchdog timer, and interval timer which are all accessible in a byte-wide format. The DS1386 contains a lithium energy source and a quartz crystal, which eliminates the need for any external cir

文件：263.71 Kbytes 页数：20 Pages

DallasDallas Semiconductor

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256K NV Y2KC Timekeeping RAM

DESCRIPTION The DS1554 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with a RTC alarm, watchdog timer, power-on reset, battery monitor, and 32k x 8 non-volatile static RAM. User access to all registers within the DS1554 is accomplished with a bytewide interface as

文件：284.33 Kbytes 页数：21 Pages

DallasDallas Semiconductor

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Nonvolatile Timekeeping RAM

DESCRIPTION The DS1646 is a 128K x 8 nonvolatile static RAM with a full function Real Time Clock (RTC) which are both accessible in a Byte–wide format. The nonvolatile timekeeping RAM is function equivalent to any JEDEC standard 128K x 8 SRAM. The device can also be easily substituted in ROM, EPR

文件：182.83 Kbytes 页数：11 Pages

DallasDallas Semiconductor

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4096k NV SRAM with Phantom Clock

DESCRIPTION The DS1251 4096K NV SRAM with Phantom Clock is a fully static nonvolatile RAM (organized as 512K words by 8 bits) with a built–in real time clock. The DS1251Y has a self–contained lithium energy source and control circuitry which constantly monitors VCC for an out–of–tolerance conditi

文件：291.94 Kbytes 页数：22 Pages

DallasDallas Semiconductor

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Nonvolatile Timekeeping RAM

DESCRIPTION The DS1647 is a 512k x 8 nonvolatile static RAM with a full-function real-time clock, which are both accessible in a byte-wide format. The nonvolatile timekeeping RAM is functionally equivalent to any JEDEC standard 512k x 8 SRAM. The device can also be easily substituted for ROM, EPR

文件：187.26 Kbytes 页数：11 Pages

DallasDallas Semiconductor

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RAMified Watchdog Timekeeper

FEATURES 128 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 operation in the absence of power Watchdog timer restarts an out-of-control processor Alarm function schedu

文件：251.38 Kbytes 页数：17 Pages

DallasDallas Semiconductor

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