M48T58 datasheet(29/33 Pages) STMICROELECTRONICS

29 / 33 page

M48T58, M48T58Y

Part numbering

Doc ID 2412 Rev 8

29/33

Part numbering

Table 16.

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:

M48T

–70

Device type

M48T

Supply voltage and write protect voltage

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

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

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

Speed

–70 = 70 ns

Package

PC = PCDIP28

MH(2) = SOH28

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

the part number “M4TXX-BR12SH” in plastic tube or “M4TXX-BR12SHTR” in Tape & Reel form (see

Table 17).

Temperature range

1 = 0 to 70°C

Shipping method

For SOH28:

blank = Tubes (not for new design - use E)

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

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

TR = Tape & reel (not for new design - use F)

For PCDIP28:

blank = Tubes

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