M41ST84WMH1 datasheet(29/31 Pages) STMICROELECTRONICS

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M41ST84Y, M41ST84W

PART NUMBERING

Table 19. 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.

2. Contact Local Sales Office

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 20. SNAPHAT Battery Table

Example:

M41ST

84Y

Device Type

M41ST

Supply Voltage and Write Protect Voltage

84Y = VCC = 4.5 to 5.5V; 4.20V ≤ VPFD ≤ 4.50V

84W = VCC = 2.7 to 3.6V; 2.55V ≤ VPFD ≤ 2.70V

Package

MQ = SO16

MH(1,2) = 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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