參數(shù)資料
型號(hào): M48T212V-85MH6
廠商: STMICROELECTRONICS
元件分類: 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述: 0 TIMER(S), REAL TIME CLOCK, PDSO44
封裝: 0.330 INCH, PLASTIC, SOH-44
文件頁(yè)數(shù): 1/32頁(yè)
文件大?。?/td> 473K
代理商: M48T212V-85MH6
1/32
April 2004
M48T212Y
M48T212V
5.0V or 3.3V TIMEKEEPER Supervisor
FEATURES SUMMARY
INTEGRATED REAL TIME CLOCK, POWER-
FAIL CONTROL CIRCUIT, BATTERY AND
CRYSTAL
CONVERTS LOW POWER SRAM INTO
NVRAMs
YEAR 2000 COMPLIANT (4-Digit Year)
BATTERY LOW FLAG
MICROPROCESSOR POWER-ON RESET
PROGRAMMABLE ALARM OUTPUT
ACTIVE IN THE BATTERY BACKED-UP
MODE
WATCHDOG TIMER
AUTOMATIC POWER-FAIL CHIP
DESELECT AND WRITE PROTECTION
CHOICE OF WRITE PROTECT VOLTAGES
(VPFD = Power-fail Deselect Voltage):
M48T212Y: VCC = 4.5 to 5.5V
4.2V
≤ VPFD ≤ 4.5V
M48T212V: VCC = 3.0 to 3.6V
2.7V
≤ VPFD ≤ 3.0V
PACKAGING INCLUDES A 44-LEAD SOIC
AND SNAPHAT TOP (to be ordered
separately)
Figure 1. 44-pin SOIC Package
SOH44 (MH)
SNAPHAT (SH)
Crystal/Battery
44
1
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