Datasheet

Maximum ratings M48T37Y, M48T37V
20/30 Doc ID 7019 Rev 9
4 Maximum ratings
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.
Table 8. Absolute maximum ratings
Caution: Negative undershoots below –0.3 V are not allowed on any pin while in the battery backup
mode.
Caution: Do NOT wave solder SOIC to avoid damaging SNAPHAT
®
sockets.
Symbol Parameter Value Unit
T
A
Ambient operating temperature
Grade 1 0 to 70 °C
Grade 6 –40 to 85 °C
T
STG
Storage temperature (V
CC
off,
oscillator off)
SNAPHAT
®
–40 to 85 °C
SOH44 –55 to 150 °C
T
SLD
(1)
1. For SOH44 package, lead-free (Pb-free) lead finish: reflow at peak temperature of 260 °C (the time above
255 °C must not exceed 30 seconds).
Lead solder temperature for 10 seconds 260 °C
V
IO
Input or output voltages
M48T37Y –0.3 to 7 V
M48T37V –0.3 to 4.6 V
V
CC
Supply voltage
M48T37Y –0.3 to 7 V
M48T37V –0.3 to 4.6 V
I
O
Output current 10 mA
P
D
Power dissipation 1 W