AN968 datasheet(1/4 Pages) STMICROELECTRONICS

tên linh kiện	AN968

Giải thích chi tiết về linh kiện	VMEbus TIMEKEEPER

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July 2012

Doc ID 6255 Rev 2

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AN968

Application note

VMEbus TIMEKEEPER® requirements

Introduction

Surface-mount TIMEKEEPER® devices, from STMicroelectronics, are designed explicitly for

inclusion on CPU boards. A typical arrangement is shown in Figure 1.

Figure 1.

CPU module with a TIMEKEEPER device

AI02489

Local Microprocessor

VMEbus

Bus Interface

Shared Memory

TIMEKEEPER

Bridge

PCI Bus

ISA Bus

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Số phần tương tự - AN968

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Dallas Semiconductor	DS1284	143Kb / 3P	Watchdog Timekeeper Chip
Holtek Semiconductor In...	HT1380	183Kb / 10P	Serial Timekeeper Chip October 2, 1999
Dallas Semiconductor	DS1286	234Kb / 13P	Watchdog Timekeeper
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STMicroelectronics	M48T212V	312Kb / 35P	3.3V TIMEKEEPER supervisor 05-Nov-2007
Holtek Semiconductor In...	HT1381-8SOPLF	172Kb / 10P	Serial Timekeeper Chip
ARTSCHIP ELECTRONICS CO...	DS1286	538Kb / 11P	Watchdog Timekeeper
	M48T02	6Mb / 21P	TIMEKEEPER SRAM
	M48T08	7Mb / 27P	TIMEKEEPER SRAM