M48T08 datasheet(12/31 Pages) STMICROELECTRONICS

12 / 31 page

Operation modes

M48T08, M48T08Y, M48T18

12/31

Doc ID 2411 Rev 10

Table 4.

WRITE mode AC characteristics

Symbol

Parameter(1)

Valid for ambient operating temperature: TA = 0 to 70 °C; VCC = 4.75 to 5.5 V or 4.5 to 5.5 V (except where noted).

M48T08/M48T18/T08Y

Unit

–100/–10 (T08Y)

–150/–15 (T08Y)

MinMax

tAVAV

WRITE cycle time

100

150

tAVWL

Address valid to WRITE enable low

tAVE1L

Address valid to chip enable 1 low

tAVE2H

Address valid to chip enable 2 high

tWLWH

WRITE enable pulse width

100

tE1LE1H

Chip enable 1 low to chip enable 1 high

130

tE2HE2L

Chip enable 2 high to chip enable 2 low

130

tWHAX

WRITE enable high to address transition

tE1HAX

Chip enable 1 high to address transition

tE2LAX

Chip enable 2 low to address transition

tDVWH

Input valid to WRITE enable high

tDVE1H

Input valid to chip enable 1 high

tDVE2L

Input valid to chip enable 2 low

tWHDX

WRITE enable high to input transition

tE1HDX

Chip enable 1 high to input transition

tE2LDX

Chip enable 2 low to input transition

tWLQZ

WRITE enable low to output Hi-Z

tAVWH

Address valid to WRITE enable high

130

tAVE1H

Address valid to chip enable 1 high

130

tAVE2L

Address valid to chip enable 2 low

130

tWHQX

WRITE enable high to output transition

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