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M48T201Y датащи(PDF) 27 Page - STMicroelectronics

номер детали M48T201Y
подробное описание детали  3.3V-5V TIMEKEEPER CONTROLLER
PDF  33 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M48T201Y датащи(HTML) 27 Page - STMicroelectronics

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M48T201Y, M48T201V
Figure 15. Power Down/Up Mode AC Waveforms
Table 14. Power Down/Up Mode AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5V or 3.0 to 3.6V (except where noted).
2. VPFD (max) to VPFD (min) fall time of less than tF may result in deselection/write protection not occurring until 200µs after VCC pass-
es VPFD (min).
3. VPFD (min) to VSS fall time of less than tFB may cause corruption of RAM data.
Symbol
Parameter(1)
Min
Max
Unit
tF
(2)
VPFD (max) to VPFD (min) VCC Fall Time
300
µs
tFB
(3)
VPFD (min) to VSS VCC Fall Time
M48T201Y
10
µs
M48T201V
150
µs
tR
VPFD (min) to VPFD (max) VCC Rise Time
10
µs
tREC
VPFD (max) to RST High
40
200
ms
tRB
VSS to VPFD (min) VCC Rise Time
5µs
AI03519
VCC
INPUTS
RST
OUTPUTS
DON'T CARE
HIGH-Z
tF
tFB
tR
tREC
tRB
VALID
VALID
VPFD (max)
VPFD (min)
VSO
VALID
VALID



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