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M48Z512AY-85PM9 View Datasheet(PDF) - STMicroelectronics

Part Name
Description
Manufacturer
M48Z512AY-85PM9
ST-Microelectronics
STMicroelectronics ST-Microelectronics
M48Z512AY-85PM9 Datasheet PDF : 17 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
M48Z512A, M48Z512AY
Table 8. Power Down/Up AC Characteristics
(TA = 0 to 70 °C)
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
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.
Figure 6. Power Down/Up Mode AC Waveforms
VCC
VPFD (max)
VPFD (min)
VSO
tF
tFB
tWP
E
RECOGNIZED
OUTPUTS
VALID
(PER CONTROL INPUT)
tDR
DON’T CARE
HIGH-Z
tR
tER
RECOGNIZED
VALID
(PER CONTROL INPUT)
AI01031
6/17
 

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