参数资料
型号: M48T201Y-70MH6
厂商: STMICROELECTRONICS
元件分类: 时钟/数据恢复及定时提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO44
封装: SNAPHAT, PLASTIC, SOH-44
文件页数: 1/32页
文件大小: 448K
代理商: M48T201Y-70MH6
1/32
March 2003
Rev. 3.0
M48T201Y
M48T201V
5.0 or 3.3V TIMEKEEPER SUPERVISOR
FEATURES SUMMARY
s
CONVERTS LOW POWER SRAM INTO
NVRAMs
s
YEAR 2000 COMPLIANT
s
BATTERY LOW FLAG
s
INTEGRATED REAL TIME CLOCK, POWER-
FAIL CONTROL CIRCUIT, BATTERY and
CRYSTAL
s
WATCHDOG TIMER
s
CHOICE OF WRITE PROTECT VOLTAGES
(VPFD = Power-fail Deselect Voltage):
– M48T201Y: VCC = 4.5 to 5.5V
4.1V
≤ VPFD ≤ 4.5V
– M48T201V: VCC = 3.0 to 3.6V
2.7V
≤ VPFD ≤ 3.0V
s
MICROPROCESSOR POWER-ON RESET
(Valid even during battery back-up mode)
s
PROGRAMMABLE ALARM OUTPUT ACTIVE
IN THE BATTERY BACKED-UP MODE
s
PACKAGING INCLUDES A 44-LEAD SOIC and
SNAPHAT TOP (to be ordered separately)
s
SOIC PACKAGE PROVIDES DIRECT
CONNECTION FOR A SNAPHAT TOP
WHICH CONTAINS THE BATTERY and
CRYSTAL
Figure 1. 44-pin SOIC Package
SOH44 (MH)
SNAPHAT (SH)
Crystal/Battery
44
1
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