M41T94 datasheet(37/41 Pages) STMICROELECTRONICS

37 / 41 page

M41T94

Part numbering

37/41

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:

M41T

Device type

M41T

Supply voltage and write protect voltage

94 = VCC = 2.7 to 5.5 V

THS = VCC; 4.20 V ≤ VPFD ≤ 4.50 V

THS = VSS; 2.55 V ≤ VPFD ≤ 2.70 V

Package

MQ = SO16

MH(1)= SOH28

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 Table 21 on page 37).

Temperature range

6 = –40 to 85°C

Shipping method

E = Lead-free package (ECOPACK®), tubes

F = Lead-free package (ECOPACK®), tape & reel

Table 21.

SNAPHAT® battery table

Part number

Description

Package

M4T28-BR12SH1

Lithium battery (48 mAh) and crystal SNAPHAT

M4T32-BR12SHx

Lithium battery (120 mAh) and crystal SNAPHAT

M41T94 Datasheet(PDF) 37 Page - STMicroelectronics