M41T94 datasheet(29/31 Pages) STMICROELECTRONICS

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M41T94

PART NUMBERING

Table 20. Ordering Information Scheme

Note: 1. The 28-pin SOIC package (SOH28) requires the battery/crystal package (SNAPHAT®) which is ordered separately under the part

number “M4TXX-BR12SHX” in plastic tube or “M4TXX-BR12SHXTR” in Tape & Reel form.

Caution: Do NOT place the SNAPHAT battery package “M4TXX-BR12SH” in conductive foam as it will drain the lithium button-cell

battery.

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 21. SNAPHAT Battery Table

Example:

M41T

Device Type

M41T

Supply Voltage and Write Protect Voltage

94 = VCC = 2.7 to 5.5V

THS = VCC; 4.20V ≤ VPFD ≤ 4.50V

THS = VSS; 2.55V ≤ VPFD ≤ 2.70V

Package

MQ = SO16

MH (1) = SOH28

Temperature Range

6 = –40 to 85°C

Shipping Method for SOIC

blank = Tubes

TR = Tape & Reel

Part Number

Description

Package

M4T28-BR12SH

Lithium Battery (48mAh) and Crystal SNAPHAT

M4T32-BR12SH

Lithium Battery (120mAh) and Crystal SNAPHAT

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