m27w064 STMicroelectronics, m27w064 Datasheet - Page 18

• Manufacturer Part Number: m27w064
• Manufacturer: STMicroelectronics

M27W064
Figure 11. Chip Enable Controlled, Write AC Waveforms
Table 12. Chip Enable Controlled, Write AC Characteristics
Note: 1. T
18/23
t
Symbol
VPHEL
t
t
t
t
t
t
t
VCHEL
t
t
DVEH
EHDX
GHEL
EHGL
ELEH
EHEL
ELAX
AVEL
2. Not required in Auto Select or Read/Reset command sequences.
A0-A21
G
E
DQ0-DQ15
V CC
V PP
V
Sampled only, not 100% tested.
(2)
A
PP
= 25°C; V
must be applied after V
t
t
t
t
t
t
t
CPH
t
OEH
Alt
t
VCS
VCS
PP
CP
DS
DH
AS
AH
= 11.4 to 12.6V. V
Chip Enable Low to Chip Enable High
Input Valid to Chip Enable High
Chip Enable High to Input Transition
Chip Enable High to Chip Enable Low
Address Valid to Chip Enable Low
Chip Enable Low to Address Transition
Output Enable High Chip Enable Low
Chip Enable High to Output Enable Low
V
V
CC
PP
High to Chip Enable Low
High to Chip Enable Low
CC
tVCHEL
tGHEL
and with the Chip Enable (E) at V
tVPHEL
tAVEL
CC
= 2.7 to 3.6V.
Parameter
VALID
tELEH
(1)
IH
tDVEH
.
VALID
tELAX
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
tEHGL
tEHEL
tEHDX
M27W064
100
500
50
50
50
10
10
50
0
0
AI05964
Unit
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns