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M41ST95W датащи(PDF) 28 Page - STMicroelectronics

номер детали M41ST95W
подробное описание детали  5.0 or 3.0V, 512 bit (64 bit X 8) Serial RTC (SPI) SRAM and NVRAM Supervisor
PDF  35 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M41ST95W датащи(HTML) 28 Page - STMicroelectronics

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M41ST95Y*, M41ST95W
28/35
Figure 21. Power Down/Up Mode AC Waveforms
Table 14. Power Down/Up AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = –40 to 85°C; VCC = 4.5 to 5.5V or 2.7 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 passes VPFD (min).
3. VPFD (min) to VSS fall time of less than tFB may cause corruption of RAM data.
4. Programmable (see Table 8., page 23)
5. After crystal oscillator has started
Symbol
Parameter(1)
Min
Typ
Max
Unit
tF
(2)
VPFD (max) to VPFD (min) VCC Fall Time
300
µs
tFB
(3)
VPFD (min) to VSS VCC Fall Time
10
µs
tR
VPFD (min) to VPFD (max) VCC Rise Time
10
µs
tRB
VSS to VPFD (min) VCC Rise Time
1µs
tPFD
PFI to PFO Propagation Delay
15
25
µs
tREC
(4,5)
Power up Deselect Time
96
98
ms
AI03661
VCC
INPUTS
(PER CONTROL INPUT)
OUTPUTS
DON'T CARE
HIGH-Z
tF
tFB
tR
tPD
tRB
tDR
VALID
VALID
(PER CONTROL INPUT)
RECOGNIZED
RECOGNIZED
VPFD (max)
VPFD (min)
VSO
tREC
RST
ECON
PFO



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