19/24

M48T254V

PART NUMBERING

Table 10. Ordering Information Scheme

Note: 1. The SOIC packages (SO28/SO44) require the battery/crystal package (SNAPHAT) which is ordered separately under the part num-

ber “M4T32-BR12SH” in plastic tube or “M4T32-BR12SHTR” in Tape and Reel form.

2. Where “Z” is the symbol for BGA packages and “A” denotes 1.27mm ball pitch

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 11. SNAPHAT Battery Table

Example:

M48T

254V

–10

ZA

1

Device Type

M48T

Supply Voltage and Write Protect Voltage

Speed

–10 = 100ns

Temperature Range

1 = 0 to 70°C

Part Number

Description

Package

M4T32-BR12SH

Lithium Battery (120mAh) SNAPHAT

SH