IC SNAPHAT BATT/CRYSTAL 28-SOIC

M4T32-BR12SH1

Manufacturer Part NumberM4T32-BR12SH1
DescriptionIC SNAPHAT BATT/CRYSTAL 28-SOIC
ManufacturerSTMicroelectronics
M4T32-BR12SH1 datasheets
MSDS Material Safety Datasheet
 

Specifications of M4T32-BR12SH1

Battery TypeLi-(CF)Operating Supply Voltage0 V to 2.8 V
Maximum Operating Temperature+ 70 CMinimum Operating Temperature0 C
Package / CaseSOIC-28Mounting StyleSMD/SMT
Capacity120 mAhChemical SystemLithium Poly-Carbonmonoflouride
Primary TypePackSizeCylindrical
StandardsUL RecognizedTemperature, Operating0 to +75 °C
Temperature, Operating, Maximum70 °CTemperature, Operating, Minimum0 °C
TerminationSnap-OnVoltage, Battery3 V
Voltage, Rating3 VSupply Voltage Range2.8V
Battery Ic Case StyleSOICNo. Of Pins4
Operating Temperature Range0°C To +70°CCrystal TerminalsSnap On
Load Capacitance12.5pFRohs CompliantYes
Crystal Mounting TypeSMDLead Free Status / RoHS StatusLead free / RoHS Compliant
Other names497-3687-5  
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M48T35AV
Table 10.
Power down/up AC characteristics
Symbol
t
E or W at V
before power down
PD
IH
(2)
t
V
(max) to V
F
PFD
PFD
(3)
V
(min) to V
V
t
PFD
SS
FB
t
V
(min) to V
R
PFD
PFD
t
V
to V
(min) V
RB
SS
PFD
t
V
(max) to inputs recognized
rec
PFD
1. Valid for ambient operating temperature: T
noted).
2. V
(max) to V
(min) fall time of less than t
PFD
PFD
V
passes V
(min).
CC
PFD
3. V
(min) to V
fall time of less than t
PFD
SS
Table 11.
Power down/up trip points DC characteristics
Symbol
Parameter
V
Power-fail deselect voltage
PFD
V
Battery backup switchover voltage
SO
(3)
t
Expected data retention time
DR
1. Valid for ambient operating temperature: T
noted).
2. All voltages referenced to V
.
SS
3. At 25 °C, V
= 0 V.
CC
4. CAPHAT™ and M4T32-BR12SH1 SNAPHAT
(1)
Parameter
(min) V
fall time
CC
fall time
CC
(max) V
rise time
CC
rise time
CC
= 0 to 70 °C or –40 to 85 °C; V
A
may result in deselection/write protection not occurring until 200 µs after
F
may cause corruption of RAM data.
FB
(1)(2)
Min
2.7
(4)
10
= 0 to 70 °C or –40 to 85 °C; V
A
®
only, M4T28-BR12SH1 SNAPHAT
Doc ID 6845 Rev 8
DC and AC parameters
Min
Max
0
300
150
10
1
40
200
= 4.5 to 5.5 V or 3.0 to 3.6 V (except where
CC
Typ
Max
2.9
3.0
V
–100mV
PFD
= 4.5 to 5.5 V or 3.0 to 3.6 V (except where
CC
®
top t
= 7 years (typ).
DR
Unit
µs
µs
µs
µs
µs
ms
Unit
V
V
Years
21/29