HANBit

HMNR1288D(V)

URL : www.hbe.co.kr

7

HANBit Electronics Co.,Ltd

Rev. 1.0 (April, 2002)

Figure 4. WRITE AC Waveforms, Chip Enable Controlled

WRITE Mode AC Characteristics

HMNR1288D

HMNR1288DV

-70

-85

Symbol

Parameter

(1)

Min

Max

Min

Max

Unit

WRITE Cycle Time

70

85

nS

Address Valid to WRITE Enable Low

0

0

nS

Address Valid to Chip Enable Low

0

0

nS

WRITE Enable Pulse Width

45

55

nS

Chip Enable Low to Chip Enable High

50

60

nS

WRITE Enable High to Address Transition

0

0

nS

Chip Enable High to Address Transition

0

0

nS

Input Valid to WRITE Enable High

25

30

nS

Input Valid to Chip Enable High

25

30

nS

WRITE Enable High to Input Transition

0

0

nS

Chip Enable High to Input Transition

0

0

nS

(2,3)

WRITE Enable Low to Output High-Z

20

25

nS

Address Valid to WRITE Enable High

55

65

nS

Address Valid to Chip Enable High

55

65

nS

(2,3)

WRITE Enable High to Output Transition

5

5

nS

Note : 1. Valid for Ambient Operating Temperature: TA = 0 to 70° C; VCC = 4.5 to 5.5V or 3.0 to 3.6V (except where

noted).

2. CL = 5pF.

3. If /CE goes low simultaneously with /WE going low, the outputs remain in the high impedance state.

A0-A16