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M48Z128CS Folha de dados(PDF) 6 Page - STMicroelectronics

Nome de Peças M48Z128CS
Descrição Electrónicos  1 Mbit 128Kb x8 ZEROPOWER SRAM
PDF  17 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M48Z128CS Folha de dados(HTML) 6 Page - STMicroelectronics

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Table 8. Power Down/Up AC Characteristics
(TA = 0 to 70 °C)
Note: 1. 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).
2. VPFD (min) to VSO fall time of less than tFB may cause corruption of RAM data.
Symbol
Parameter
Min
Max
Unit
tF
(1)
VPFD (max) to VPFD (min) VCC Fall Time
300
µs
tFB
(2)
VPFD (min) to VSO VCC Fall Time
10
µs
tWP
Write Protect Time from VCC =VPFD
40
150
µs
tR
VSO to VPFD (max) VCC Rise Time
0
µs
tER
E Recovery Time
40
120
ms
Figure 6. Power Down/Up Mode AC Waveforms
AI01031
VCC
E
(PER CONTROL INPUT)
OUTPUTS
DON’T CARE
HIGH-Z
tF
tFB
tR
tWP
tDR
VALID
VALID
(PER CONTROL INPUT)
RECOGNIZED
RECOGNIZED
VPFD (max)
VPFD (min)
VSO
tER



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