參數(shù)資料
型號: M48T37Y-70MH1TR
廠商: STMICROELECTRONICS
元件分類: 時鐘/數(shù)據(jù)恢復及定時提取
英文描述: 0 TIMER(S), REAL TIME CLOCK, PDSO44
封裝: 0.330 INCH, ROHS COMPLIANT, PLASTIC, SOH-44
文件頁數(shù): 1/30頁
文件大?。?/td> 515K
代理商: M48T37Y-70MH1TR
August 2010
Doc ID 7019 Rev 9
1
M48T37Y
M48T37V
5.0 or 3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM
Features
Integrated ultra low power SRAM, real-time
clock, power-fail control circuit, and battery
Frequency test output for real-time clock
software calibration
Automatic power-fail chip deselect and WRITE
protection
Watchdog timer
WRITE protect voltage
(VPFD = Power-fail deselect voltage):
–M48T37Y: VCC = 4.5 to 5.5 V
4.2 V
≤ VPFD ≤ 4.5 V
–M48T37V: VCC = 3.0 to 3.6 V
2.7 V
≤ VPFD ≤ 3.0 V
Packaging includes a 44-lead SOIC and
SNAPHAT top (to be ordered separately)
SOIC package provides direct connection for a
SNAPHAT top which contains the battery and
crystal
Microprocessor power-on reset (valid even
during battery backup mode)
Programmable alarm output active in the
battery backup mode
Battery low flag
RoHS compliant
– Lead-free second level interconnect
44
1
SNAPHAT (SH)
Battery/crystal
SOH44 (MH)
44-pin SOIC
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相關代理商/技術參數(shù)
參數(shù)描述
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