M48Z2M1 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M48Z2M1 Datasheet PDF : 12 Pages
| |||
M48Z2M1, M48Z2M1Y
Table 8. Power Down/Up Mode AC Characteristics
(TA = 0 to 70°C)
Symbol
Parameter
Min
Max
Unit
tF (1)
tFB (2)
VPFD (max) to VPFD (min) VCC Fall Time
VPFD (min) to VSO VCC Fall Time
300
µs
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
Notes: 1. VPFD (max) to VPFD (min) fall time of less than tF may result in deselection/write protection not occurring until 200 µs after
VCC passes VPFD (min).
2. VPFD (min) to VSO fall time of less than tFB may cause corruption of RAM data.
Figure 5. 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
5/12
|
|
Share Link: 