m48z12 STMicroelectronics, m48z12 Datasheet - Page 16

• Manufacturer Part Number: m48z12
• Description: 5v, 16kbit 2kb X 8 Zeropower Sram
• Manufacturer: STMicroelectronics

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