M4T28-BR12SH1 STMicroelectronics, M4T28-BR12SH1 Datasheet - Page 6

• 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

Description
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Table 1.
Figure 2.
Figure 3.
A0-A14
DQ0-DQ7
E
G
W
V
V
CC
SS
Signal names
DIP connections
SOIC connections
DQ0
DQ1
DQ2
V SS
A14
A12
DQ0
DQ1
DQ2
V SS
A7
A6
A5
A4
A3
A2
A1
A0
Doc ID 6845 Rev 8
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
Address inputs
Data inputs / outputs
Chip enable
Output enable
WRITE enable
Supply voltage
Ground
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
M48T35AV
M48T35AV
28
27
26
25
24
23
22
21
20
19
18
17
16
15
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V CC
W
A13
A8
A9
A11
G
A10
E
DQ7
DQ6
DQ5
DQ4
DQ3
V CC
W
A13
A8
A9
A11
G
A10
E
DQ7
DQ6
DQ5
DQ4
DQ3
M48T35AV
AI02798B
AI02799