參數(shù)資料
型號: M48T201Y-70MH1F
廠商: STMICROELECTRONICS
元件分類: 時鐘/數(shù)據(jù)恢復及定時提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO44
封裝: SNAPHAT, ROHS COMPLIANT, PLASTIC, SOIC-44
文件頁數(shù): 8/37頁
文件大小: 311K
代理商: M48T201Y-70MH1F
Operation
M48T201Y, M48T201V
Note:
Most low power SRAMs on the market today can be used with the M48T201Y/V
TIMEKEEPER SUPERVISOR. There are, however some criteria which should be used in
making the final choice of an SRAM to use.
The SRAM must be designed in a way where the chip enable input disables all other inputs
to the SRAM. This allows inputs to the M48T201Y/V and SRAMs to be “Don't care” once
VCC falls below VPFD (min). The SRAM should also guarantee data retention down to
VCC = 2.0 V. The chip enable access time must be sufficient to meet the system needs with
the chip enable (and output enable) output propagation delays included.
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