m41st85w STMicroelectronics, m41st85w Datasheet - Page 39

• Manufacturer Part Number: m41st85w
• Description: 3.0/3.3v I 2c Combination Serial Rtc, Nvram Supervisor And Microprocessor Supervisor
• Manufacturer: STMicroelectronics

7
Table 18.
Example:
Device type
M41ST
Supply voltage and write protect voltage
85W = V
Package
MH
MX
Temperature range
6 = –40 to 85°C
Shipping method
For SOH28:
blank = Tubes (Not for New Design - Use E)
E = ECOPACK Package, Tubes
F = ECOPACK Package, Tape & Reel
TR = Tape & Reel (Not for New Design - Use F)
For SOX28:
blank = ECOPACK package, tubes
TR = ECOPACK package, tape & reel
1. The 28-pin SOIC package (SOH28) requires the SNAPHAT
2. The SOX28 package includes an embedded 32,768Hz crystal.
Caution:
For other options, or for more information on any aspect of this device, please contact the ST sales office
nearest you.
Table 19.
(1)
(2)
part number “M4TXX-BR12SHX” in plastic tube or “M4Txx-BR12SHXTR” in Tape & Reel form (see
= SOX28
= SOH28
M4T28-BR12SH
M4T32-BR12SH
Part Number
CC
= 2.7 to 3.6V; 2.55V
Part numbering
Ordering information scheme
Do not place the SNAPHAT battery package “M4Txx-BR12SH” in conductive foam as it will
drain the lithium button-cell battery.
SNAPHAT battery/crystal table
Lithium Battery (48mAh) and Crystal SNAPHAT Top
Lithium Battery (120mAh) and Crystal SNAPHAT Top
V
PFD
2.70V
Description
M41ST
®
battery/crystal package which is ordered separately under the
85W
MH
Table
6
19).
Package
SH
SH
E
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