M4T28-BR12SH1 STMicroelectronics, M4T28-BR12SH1 Datasheet - Page 15

• 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

M4T28-BR12SH, M4T32-BR12SH
8
Revision history
Table 7.
20-Aug-2002
20-Nov-2008
01-Mar-2001
14-Mar-2003
04-Jun-2001
21-Jan-2002
10-Jul-2001
Nov-1999
Date
Document revision history
Revision
2.1
2.2
2.3
2.4
2.5
1
2
3
First issue
Reformatted
Basic textual changes from reformatting activity
Changes references to “supervisor” from “controller;” clarify temperature
characteristics
Change to include crystal accuracy
insertion force tolerance and battery characteristics note
Updated insertion/extraction data
Add pb-free note on page 1
Reformatted document; updated cover page,
mechanical
data,
Table
6; added
Changes
Section 7: Environmental
(Figure
(Table
2)
3); add text for SNAPHAT
Section 5: Package
Revision history
information.
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