M48T58 datasheet(21/27 Pages) STMICROELECTRONICS

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M48T58, M48T58Y

PART NUMBERING

Table 12. Ordering Information Scheme

Note: 1. The M48T58 part is offered with the PCDIP28 (e.g., CAPHAT™) package only.

2. The SOIC package (SOH28) requires the battery package (SNAPHAT®) which is ordered separately under the part number

“M4TXX-BR12SH” in plastic tube or “M4TXX-BR12SHTR” in Tape & Reel form.

Caution: Do not place the SNAPHAT battery package “M4TXX-BR00SH” 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 13. SNAPHAT Battery Table

Example:

M48T

–70

Device Type

M48T

Supply Voltage and Write Protect Voltage

58(1) =VCC = 4.75 to 5.5V; VPFD = 4.5 to 4.75V

58Y = VCC = 4.5 to 5.5V; VPFD = 4.2 to 4.5V

Speed

–70 = 70ns

Package

PC = PCDIP28

MH(2) = SOH28

Temperature Range

1 = 0 to 70°C

Shipping Method for SOIC

blank = Tubes

TR = Tape & Reel

Part Number

Description

Package

M4T28-BR12SH

Lithium Battery (48mAh) SNAPHAT

M4T32-BR12SH

Lithium Battery (120mAh) SNAPHAT

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