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M48Z08 Datasheet(PDF) 2 Page - STMicroelectronics

Part No. M48Z08
Description  64 Kbit 8Kb x 8 ZEROPOWER SRAM
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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 2 page
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Symbol
Parameter
Value
Unit
TA
Ambient Operating Temperature
–40 to 85
°C
TSTG
Storage Temperature (VCC Off)
–40 to 85
°C
TSLD
(2)
Lead Solder Temperature for 10 seconds
260
°C
VIO
Input or Output Voltages
–0.3 to 7
V
VCC
Supply Voltage
–0.3 to 7
V
IO
Output Current
20
mA
PD
Power Dissipation
1
W
Notes: 1. Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational
section of this specification is not implied. Exposure to the absolute maximum rating conditions for extended periods of time may
affect reliability.
2. Soldering temperature not to exceed 260
°C for 10 seconds (total thermal budget not to exceed 150°C for longer than 30 seconds).
CAUTION: Negative undershoots below –0.3 volts are not allowed on any pin while in the Battery Back-up mode.
CAUTION: Do NOT wave solder SOIC to avoid damaging SNAPHAT sockets.
Table 2. Absolute Maximum Ratings (1)
Mode
VCC
E
G
W
DQ0-DQ7
Power
Deselect
4.75V to 5.5V
or
4.5V to 5.5V
VIH
X
X
High Z
Standby
Write
VIL
XVIL
DIN
Active
Read
VIL
VIL
VIH
DOUT
Active
Read
VIL
VIH
VIH
High Z
Active
Deselect
VSO to VPFD (min)
X
X
X
High Z
CMOS Standby
Deselect
≤ VSO
X
X
X
High Z
Battery Back-up Mode
Note: 1. X = VIH or VIL; VSO = Battery Back-up Switchover Voltage.
Table 3. Operating Modes (1)
A1
A0
DQ0
A7
A4
A3
A2
A6
A5
NC
A10
A8
A9
DQ7
W
A11
G
E
DQ5
DQ1
DQ2
DQ3
VSS
DQ4
DQ6
A12
NC
VCC
AI01183
M48Z08
M48Z18
8
1
2
3
4
5
6
7
9
10
11
12
13
14
16
15
28
27
26
25
24
23
22
21
20
19
18
17
Figure 2A. DIP Pin Connections
AI01023B
8
2
3
4
5
6
7
9
10
11
12
13
14
22
21
20
19
18
17
16
15
28
27
26
25
24
23
1
A1
A0
DQ0
A7
A4
A3
A2
A6
A5
NC
A10
A8
A9
DQ7
W
A11
G
E
DQ5
DQ1
DQ2
DQ3
VSS
DQ4
DQ6
A12
NC
VCC
M48Z18
Figure 2B. SOIC Pin Connections
Warning: NC = Not Connected.
Warning: NC = Not Connected.
2/18
M48Z08, M48Z18




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