M41ST85W datasheet(40/43 Pages) STMICROELECTRONICS

40 / 43 page

Part numbering

M41ST85W

40/43

DocID7531 Rev 12

Part numbering

Table 20. Ordering information scheme

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.

Example:

M41ST

85W

Device type

M41ST

Supply voltage and write protect voltage

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

Package

MH(1) = SOH28

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 (see Table ).

MX(2) = SOX28

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

Temperature range

6 = –40 to 85°C

Shipping method

For SOH28:

E = ECOPACK® package, tubes(3)

3. Not recommended for new design. Contact local ST sales office for availability.

F = ECOPACK® package, tape & reel

For SOX28:

Blank = ECOPACK® package, tubes(3)

TR = ECOPACK® package, tape & reel

Table 21. SNAPHAT® battery/crystal table

Part number

Description

Package

M4T28-BR12SH

Lithium battery (48 mAh) and crystal SNAPHAT® top

M4T32-BR12SH

Lithium battery (120 mAh) and crystal SNAPHAT® top

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