M4T32-BR12SH1 STMicroelectronics, M4T32-BR12SH1 Datasheet - Page 21

• Manufacturer Part Number: M4T32-BR12SH1
• Description: IC SNAPHAT BATT/CRYSTAL 28-SOIC
• Manufacturer: STMicroelectronics

Specifications of M4T32-BR12SH1

• Battery Type: Li-(CF)
• Operating Supply Voltage: 0 V to 2.8 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Package / Case: SOIC-28
• Mounting Style: SMD/SMT
• Capacity: 120 mAh
• Chemical System: Lithium Poly-Carbonmonoflouride
• Primary Type: Pack
• Size: Cylindrical
• Standards: UL Recognized
• Temperature, Operating: 0 to +75 °C
• Temperature, Operating, Maximum: 70 °C
• Temperature, Operating, Minimum: 0 °C
• Termination: Snap-On
• Voltage, Battery: 3 V
• Voltage, Rating: 3 V
• Supply Voltage Range: 2.8V
• Battery Ic Case Style: SOIC
• No. Of Pins: 4
• Operating Temperature Range: 0°C To +70°C
• Crystal Terminals: Snap On
• Load Capacitance: 12.5pF
• Rohs Compliant: Yes
• Crystal Mounting Type: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3687-5

M48T35AV
Table 10.
1. Valid for ambient operating temperature: T
2. V
3. V
Table 11.
1. Valid for ambient operating temperature: T
2. All voltages referenced to V
3. At 25 °C, V
4. CAPHAT™ and M4T32-BR12SH1 SNAPHAT
Symbol
Symbol
noted).
V
noted).
t
t
t
FB
PFD
CC
PFD
V
t
t
t
F
V
DR
PD
t
RB
rec
PFD
R
(2)
SO
(3)
passes V
(3)
(min) to V
(max) to V
CC
Power down/up AC characteristics
E or W at V
V
V
V
V
V
Power down/up trip points DC characteristics
Power-fail deselect voltage
Battery backup switchover voltage
Expected data retention time
PFD
PFD
PFD
SS
PFD
PFD
= 0 V.
SS
PFD
to V
(min).
(min) to V
fall time of less than t
(max) to V
(min) to V
(max) to inputs recognized
(min) fall time of less than t
PFD
IH
(min) V
SS
before power down
Parameter
PFD
SS
.
PFD
V
(max) V
CC
CC
(min) V
fall time
rise time
FB
Parameter
(1)(2)
A
A
may cause corruption of RAM data.
CC
CC
= 0 to 70 °C or –40 to 85 °C; V
= 0 to 70 °C or –40 to 85 °C; V
®
rise time
fall time
F
only, M4T28-BR12SH1 SNAPHAT
may result in deselection/write protection not occurring until 200 µs after
Doc ID 6845 Rev 8
(1)
10
Min
2.7
(4)
CC
CC
V
PFD
= 4.5 to 5.5 V or 3.0 to 3.6 V (except where
= 4.5 to 5.5 V or 3.0 to 3.6 V (except where
Typ
®
2.9
–100mV
top t
Min
150
DR
300
10
40
0
1
= 7 years (typ).
DC and AC parameters
Max
3.0
Max
200
Years
Unit
Unit
V
V
ms
µs
µs
µs
µs
µs
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