M48Z2M1PL データシートの表示（PDF） - STMicroelectronics
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M48Z2M1PL Datasheet PDF : 17 Pages
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M48Z2M1, M48Z2M1Y
Figure 4. Block Diagram
VCC
POWER
2048K x 8
VOLTAGE SENSE
SRAM ARRAY
E
AND
SWITCHING
E
CIRCUITRY
INTERNAL
BATTERIES
A0-A20
DQ0-DQ7
W
G
VSS
AI02050
MAXIMUM RATING
Stressing the device above the rating listed in the
“Absolute Maximum Ratings” table may cause
permanent damage to the device. These are
stress ratings only and operation of the device at
these or any other conditions above those indicat-
ed in the Operating sections of this specification is
not implied. Exposure to Absolute Maximum Rat-
ing conditions for extended periods may affect de-
vice reliability. Refer also to the
STMicroelectronics SURE Program and other rel-
evant quality documents.
Table 2. Absolute Maximum Ratings
Symbol
Parameter
Value
Unit
TA
Ambient Operating Temperature
0 to 70
°C
TSTG
Storage Temperature (VCC Off)
–40 to 85
°C
TBIAS
Temperature Under Bias
–40 to 85
°C
TSLD(1)
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
Note: 1. 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 –0.3V are not allowed on any pin while in the Battery Back-up mode.
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