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M28C64

Table 9C. Read Mode AC Characteristics for M28C64-xxW (3V range)

Note: 1. Output Hi-Z is defined as the point at which data is no longer driven.

Symbol

Alt.

Parameter

Test

Condit

ion

M28C64-xxW

Unit

-12

-15

-20

-25

-30

Min

Max

Min

Max

Min

Max

Min

Max

Min

Max

Address Valid to

Output Valid

120

150

200

250

300

ns

Chip Enable Low to

Output Valid

120

150

200

250

300

ns

Output Enable Low

to Output Valid

80

80

100

150

150

ns

1

Chip Enable High to

Output Hi-Z

045

0

50

055

0

60

060

ns

1

Output Enable High

to Output Hi-Z

045

0

50

055

0

60

060

ns

Address Transition

to Output Transition

0

0

000

ns

Figure 10. Read Mode AC Waveforms (with Write Enable, W, high)

AI00749B

VALID

tAVQV

tAXQX

tGLQV

tEHQZ

tGHQZ

DATA OUT

A0-A12

E

G

DQ0-DQ7

tELQV

Hi-Z