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BQ4845Y Datasheet(PDF) 10 Page - Texas Instruments

Part # BQ4845Y
Description  Parallel RTC With CPU Supervisor
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ4845Y Datasheet(HTML) 10 Page - Texas Instruments

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10
Absolute Maximum Ratings
Symbol
Parameter
Value
Unit
Conditions
VCC
DC voltage applied on VCC relative to VSS
-0.3 to 7.0
V
VT
DC voltage applied on any pin excluding VCC
relative to VSS
-0.3 to 7.0
V
VT
≤ VCC + 0.3
TOPR
Operating temperature
0 to +70
°C
Commercial
-40 to +85
°C
Industrial
TSTG
Storage temperature
-55 to +125
°C
TBIAS
Temperature under bias
-40 to +85
°C
TSOLDER
Soldering temperature
+260
°C
For 10 seconds
Note:
Permanent device damage may occur if Absolute Maximum Ratings are exceeded. Functional operation
should be limited to the Recommended DC Operating Conditions detailed in this data sheet. Exposure to con-
ditions beyond the operational limits for extended periods of time may affect device reliability.
Recommended DC Operating Conditions (TA =TOPR)
Symbol
Parameter
Minimum
Typical
Maximum
Unit
Notes
VCC
Supply voltage
4.5
5.0
5.5
V
bq4845Y
4.75
5.0
5.5
V
bq4845
VSS
Supply voltage
0
0
0
V
VIL
Input low voltage
-0.3
-
0.8
V
VIH
Input high voltage
2.2
-
VCC + 0.3
V
VBC
Backup cell voltage
2.3
-
4.0
V
Note:
Typical values indicate operation at TA = 25°C.
Aug. 1995
bq4845/bq4845Y


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