M48Z128V-85PM1 データシートの表示（PDF） - STMicroelectronics
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M48Z128V-85PM1 Datasheet PDF : 20 Pages
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Maximum ratings
3
Maximum ratings
M48Z128, M48Z128Y, M48Z128V
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 indicated in the operating sections of
this specification is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
Caution:
Table 5. Absolute maximum ratings
Symbol
Parameter
Value
Unit
TA
Ambient operating temperature
0 to 70
°C
TSTG Storage temperature (VCC off, oscillator off)
–40 to 85
°C
TBIAS
TSLD(1)
Temperature under bias
Lead solder temperature for 10 seconds
–10 to 70
°C
260
°C
VIO Input or output voltages
–0.3 to 7
V
VCC Supply voltage
M48Z128/Y
–0.3 to 7.0
V
M48Z128V
–0.3 to 4.6
V
IO
Output current
PD
Power dissipation
20
mA
1
W
1. Soldering temperature of the IC leads is to not exceed 260 °C for 10 seconds. In order to protect the lithium
battery, preheat temperatures must be limited such that the battery temperature does not exceed +85 °C.
Furthermore, the devices shall not be exposed to IR reflow.
Negative undershoots below –0.3 V are not allowed on any pin while in the battery backup
mode.
12/20
Doc ID 2426 Rev 5
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