M41ST85WMX6 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M41ST85WMX6

3.0/3.3V I²C combination serial RTC, NVRAM supervisor and microprocessor supervisor

STMicroelectronics 

M41ST85W

7

Part numbering

Part numbering

Table 18. Ordering information scheme

Example:

M41ST

85W

MH

6

E

Device type

M41ST

Supply voltage and write protect voltage

85W = VCC = 2.7 to 3.6V; 2.55V ≤ VPFD ≤ 2.70V

Package

MH(1) = SOH28

MX(2) = SOX28

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® battery/crystal package which is ordered separately under the

part number “M4TXX-BR12SHX” in plastic tube or “M4Txx-BR12SHXTR” in Tape & Reel form (see Table 19).

2. The SOX28 package includes an embedded 32,768Hz crystal.

Caution: Do not place the SNAPHAT battery package “M4Txx-BR12SH” in conductive foam as it will

drain the lithium button-cell battery.

For other options, or for more information on any aspect of this device, please contact the ST sales office

nearest you.

Table 19. SNAPHAT battery/crystal table

Part Number

Description

M4T28-BR12SH

M4T32-BR12SH

Lithium Battery (48mAh) and Crystal SNAPHAT Top

Lithium Battery (120mAh) and Crystal SNAPHAT Top

Package

SH

SH

39/41

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