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M48T201Y 数据表(PDF) 16 Page - STMicroelectronics

部件名 M48T201Y
功能描述  5.0 or 3.3 V TIMEKEEPER® supervisor
PDF  37 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M48T201Y 数据表(HTML) 16 Page - STMicroelectronics

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Operation
M48T201Y, M48T201V
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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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