m41t94 STMicroelectronics, m41t94 Datasheet - Page 29

• Manufacturer Part Number: m41t94
• Description: Serial Real-time Clock With 44 Bytes Nvram And Reset
• Manufacturer: STMicroelectronics

5
Caution:
Caution:
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 indicated in the Operating sections of
this specification is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability. Refer also to the STMicroelectronics SURE
Program and other relevant quality documents.
Table 10.
1. For SO package, Lead-free (Pb-free) lead finish: Reflow at peak temperature of 260°C (total thermal
Negative undershoots below –0.3V are not allowed on any pin while in the Battery Back-up
mode.
Do NOT wave solder SOIC to avoid damaging SNAPHAT sockets.
Symbol
T
budget not to exceed 245°C for greater than 30 seconds).
T
SLD
V
V
P
STG
I
CC
O
IO
D
(1)
Storage temperature (V
Supply voltage
Lead solder temperature for 10 seconds
Input or output Voltage
Output current
Power dissipation
Absolute maximum ratings
Parameter
CC
off, oscillator off)
SNAPHAT
SOIC
–0.3 to V
–55 to 125
–40 to 85
–0.3 to 7
Value
260
20
1
CC
+0.3
Unit
mA
°C
°C
°C
W
V
V
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