M4T28-BR12SH ST Microelectronics, M4T28-BR12SH Datasheet - Page 27

• Manufacturer Part Number: M4T28-BR12SH
• Description: TIMEKEEPER SNAPHAT Battery & Crystal
• Manufacturer: ST Microelectronics

PART NUMBERING
Table 14. Ordering Information Scheme
Example:
Device Type
M41ST
Supply Voltage and Write Protect Voltage
85Y = V
85W = V
Package
MH
MX
Temperature Range
6 = –40 to 85°C
Shipping Method for SOIC
blank = Tubes
TR = Tape & Reel
Note: 1. The 28-pin SOIC package (SOH28) requires the battery/crystal package (SNAPHAT
For a list of available options (e.g., Speed, Package) or for further information on any aspect of this device,
please contact the ST Sales Office nearest to you.
Table 15. SNAPHAT Battery Table
(2)
(1)
Caution: Do not place the SNAPHAT battery package “M4TXX-BR12SH” in conductive foam as it will drain the lithium button-cell battery.
2. The SOX28 package includes an embedded 32,768Hz crystal.
= SOX28
= SOH28
M4T28-BR12SH
M4T32-BR12SH
CC
number “M4TXX-BR12SHX” in plastic tube or “M4TXX-BR12SHXTR” in Tape & Reel form.
CC
Part Number
= 4.5 to 5.5V; 4.20V
= 2.7 to 3.6V; 2.55V
Lithium Battery (48mAh) and Crystal SNAPHAT
Lithium Battery (120mAh) and Crystal SNAPHAT
V
V
PFD
PFD
4.50V
2.70V
Description
M41ST
85Y
®
) which is ordered separately under the part
MH
M41ST85Y, M41ST85W
6
Package
SH
SH
TR
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