M48Z02-150PC1TR STMICROELECTRONICS [STMicroelectronics], M48Z02-150PC1TR Datasheet - Page 6

• Manufacturer Part Number: M48Z02-150PC1TR
• Description: 5V, 16 Kbit (2Kb x 8) ZEROPOWER SRAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M48Z02, M48Z12
Table 5. DC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
OPERATION MODES
The M48Z02/12 also has its own Power-fail Detect
circuit. The control circuitry constantly monitors
the single 5V supply for an out of tolerance condi-
tion. When V
protects the SRAM, providing a high degree of
Table 6. Operating Modes
Note: X = V
6/16
Deselect
WRITE
READ
READ
Deselect
Deselect
Symbol
Mode
I
V
LO
I
I
V
V
V
I
CC1
CC2
I
IL
CC
2. Outputs deselected.
3. Negative spikes of –1V allowed for up to 10ns once per Cycle.
1. See Table 10, page 11 for details.
OH
LI
OL
IH
(2)
(3)
IH
or V
Input Leakage Current
Output Leakage Current
Supply Current
Supply Current (Standby) TTL
Supply Current (Standby) CMOS
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
V
CC
SO
IL
; V
4.75 to 5.5V
is out of tolerance, the circuit write
4.5 to 5.5V
to V
SO
V
V
= Battery Back-up Switchover Voltage.
PFD
or
SO
CC
(1)
(min)
Parameter
(1)
V
V
V
V
E
X
X
IH
IL
IL
IL
A
= 0 to 70°C or –40 to 85°C; V
V
V
G
X
X
X
X
IH
IL
Test Condition
0V
0V
E
Outputs open
I
I
OL
OH
E = V
V
V
data security in the midst of unpredictable system
operation brought on by low V
low approximately 3V, the control circuitry con-
nects the battery which maintains data operation
until valid power returns.
V
= 2.1mA
CC
= –1mA
OUT
IN
V
V
– 0.2V
V
W
X
X
X
IH
IH
IH
IL
V
V
CC
CC
(1)
CC
= 4.75 to 5.5V or 4.5 to 5.5V (except where noted).
DQ0-DQ7
High Z
High Z
High Z
High Z
D
D
OUT
IN
–0.3
Min
2.2
2.4
Battery Back-up Mode
CMOS Standby
V
CC
CC
Max
0.8
0.4
. As V
Standby
±1
±1
80
3
3
Power
Active
Active
Active
+ 0.3
CC
falls be-
Unit
mA
mA
mA
µA
µA
V
V
V
V