M48Z2M1Y, M48Z2M1V

8/17

Figure 8. Chip Enable Controlled, WRITE Mode AC Waveforms

Note: Output Enable (G) = High.

Table 4. WRITE Mode AC Characteristics

3. If E goes low simultaneously with W going low, the outputs remain in the high impedance state.

Symbol

M48Z2M1Y

M48Z2M1V

Unit

–70

–85

Min

Max

Min

Max

WRITE Cycle Time

70

85

ns

Address Valid to Chip Enable High

65

75

ns

Address Valid to Chip Enable Low

0

0

ns

Address Valid to WRITE Enable High

65

75

ns

Address Valid to WRITE Enable Low

0

0

ns

Input Valid to Chip Enable High

30

35

ns

Input Valid to WRITE Enable High

30

35

ns

Chip Enable High to Address Transition

15

15

ns

Chip Enable High to Input Transition

10

15

ns

Chip Enable Low to Chip Enable High

55

75

ns

WRITE Enable High to Address Transition

5

5

ns

WRITE Enable High to Input Transition

0

0

ns

(2,3)

WRITE Enable High to Output Transition

5

5

ns

(2,3)

WRITE Enable Low to Output Hi-Z

25

30

ns

WRITE Enable Pulse Width

55

65

ns

AI02054

tAVAV

tEHAX

tDVEH

A0-A20

E

W

DQ0-DQ7

VALID

tAVEH

tAVEL

tAVWL

tELEH

tEHDX

DATA INPUT