STMicroelectronics M48Z12-150PC1 Memory IC M48Z12-150PC1 Fiche De Données
Codes de produits
M48Z12-150PC1
DC and AC parameters
M48Z02, M48Z12
Doc ID 2420 Rev 9
Table 9.
Power down/up AC characteristics
Table 10.
Power down/up trip points DC characteristics
Symbol
Parameter
(1)
1.
Valid for ambient operating temperature: T
A
= 0 to 70 °C; V
CC
= 4.75 to 5.5 V or 4.5 to 5.5 V (except where
noted).
Min
Max
Unit
t
PD
E or W at V
IH
before power down
0
-
µs
t
F
(2)
2.
V
PFD
(max) to V
PFD
(min) fall time of less than t
F
may result in deselection/write protection not occurring
until 200 µs after V
CC
passes V
PFD
(min).
V
PFD
(max) to V
PFD
(min) V
CC
fall time
300
-
µs
t
FB
(3)
3.
V
PFD
(min) to V
SS
fall time of less than t
FB
may cause corruption of RAM data.
V
PFD
(min) to V
SS
V
CC
fall time
10
-
µs
t
R
V
PFD
(min) to V
PFD
(max) V
CC
rise time
0
-
µs
t
RB
V
SS
to V
PFD
(min) V
CC
rise time
1
-
µs
t
REC
E or W at V
IH
after power up
2
-
ms
Symbol
Parameter
(1)(2)
1.
All voltages referenced to V
SS
.
2.
Valid for ambient operating temperature: T
A
= 0 to 70 °C; V
CC
= 4.75 to 5.5 V or 4.5 to 5.5 V (except where
noted).
Min
Typ
Max
Unit
V
PFD
Power-fail deselect voltage
M48Z02
4.5
4.6
4.75
V
M48Z12
4.2
4.3
4.5
V
V
SO
Battery backup switchover voltage
3.0
V
t
DR
(3)
3.
At 25 °C, V
CC
= 0 V.
Expected data retention time
10
YEARS