M4T28-BR12SH1 STMicroelectronics, M4T28-BR12SH1 Datasheet - Page 22

• Manufacturer Part Number: M4T28-BR12SH1
• Description: IC SNAPHAT BATT/CRYSTAL 28-SOIC
• Manufacturer: STMicroelectronics

Specifications of M4T28-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
• Ic Function: Timekeeper (Battery & Crystal)
• Supply Voltage Range: 2.8V
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: SNAPHAT
• No. Of Pins: 28
• Termination Type: SMD
• Rohs Compliant: Yes
• Filter Terminals: SMD
• External Depth: 14.99mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3686-5

Package mechanical data
6
Note:
22/29
Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK
Figure 14. PCDIP28 – 28-pin plastic DIP, battery CAPHAT™, package outline
Drawing is not to scale.
Table 12.
Symb
A1
A2
B1
eA
e1
e3
A
B
C
D
E
N
L
®
®
packages, depending on their level of environmental compliance. ECOPACK
is an ST trademark.
PCDIP28 – 28-pin plastic DIP, battery CAPHAT™, pack. mech. data
33.02
Typ
B1
N
1
39.37
17.83
15.24
8.89
0.38
8.38
0.38
1.14
0.20
2.29
3.05
Doc ID 6845 Rev 8
mm
Min
e3
D
28
B
e1
A1
A2
E
39.88
18.34
16.00
Max
9.65
0.76
8.89
0.53
1.78
0.31
2.79
3.81
A
L
Typ
1.3
eA
inches
C
0.350
0.015
0.330
0.015
0.045
0.008
1.550
0.702
0.090
0.600
0.120
Min
28
M48T35AV
0.380
0.030
0.350
0.021
0.070
0.012
1.570
0.722
0.110
0.630
0.150
Max
PCDIP
®