M68Z128 datasheet(7/12 Pages) STMICROELECTRONICS

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M68Z128

Table 8. Write Mode AC Characteristics

(TA = 0 to 70°C; VCC = 5V ±10%)

Note: 1. CL = 5pF.

2. At any given temperature and voltage condition, tWHQX is less than tWLQZ for any given device.

Symbol

Parameter

M68Z128

Unit

-55

Min

Max

tAVAV

Write Cycle Time

tAVWL

Address Valid to Write Enable Low

tAVWH

Address Valid to Write Enable High

tAVE1H

Address Valid to Chip Enable 1 High

tAVE2L

Address Valid to Chip Enable 2 Low

tWLWH

Write Enable Pulse Width

tWHAX

Write Enable High to Address Transition

tWHDX

Write Enable High to Input Transition

tWHQX

(2)

Write Enable High to Output Transition

tWLQZ

(1,2)

Write Enable Low to Output Hi-Z

tAVE1L

Address Valid to Chip Enable 1 Low

tAVE2H

Address Valid to Chip Enable 2 High

tE1LE1H

Chip Enable 1 Low to Chip Enable 1 High

tE2HE2L

Chip Enable 2 High to Chip Enable 2 Low

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

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