参数资料
型号: M48T212A-85MH6
厂商: STMICROELECTRONICS
元件分类: 时钟/数据恢复及定时提取
英文描述: 0 TIMER(S), REAL TIME CLOCK, PDSO44
封装: HATLESS, PLASTIC, SOIC-44
文件页数: 1/30页
文件大小: 155K
代理商: M48T212A-85MH6
1/30
July 2002
M48T212A
3.3V TIMEKEEPER SUPERVISOR
FEATURES SUMMARY
s
INTEGRATED REAL TIME CLOCK, POWER-
FAIL CONTROL CIRCUIT
s
CONVERTS LOW POWER SRAM INTO
NVRAMs
s
YEAR 2000 COMPLIANT (4-Digit Year)
s
BATTERY LOW FLAG
s
MICROPROCESSOR POWER-ON RESET
s
PROGRAMMABLE ALARM OUTPUT ACTIVE
IN THE BATTERY BACKED-UP MODE
s
WATCHDOG TIMER
s
AUTOMATIC POWER-FAIL CHIP DESELECT
and WRITE PROTECTION
s
WRITE PROTECT VOLTAGES
(VPFD = Power-fail Deselect Voltage):
– M48T212A: VCC = 3.0 to 3.6V
2.7V
≤ VPFD≤ 3.0V
s
PACKAGING INCLUDES A 44-LEAD SOIC
s
USES SUPER CAPACITOR OR LITHIUM
BATTERY (User Supplied)
Figure 1. 44-pin, Hatless SOIC Package
SO44 (MH)
44
1
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