M29W320DB STMICROELECTRONICS [STMicroelectronics], M29W320DB Datasheet - Page 35

• Manufacturer Part Number: M29W320DB
• Description: 32 Mbit 4Mb x8 or 2Mb x16, Boot Block 3V Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M29W320DT, M29W320DB
Figure 11. Write AC Waveforms, Chip Enable Controlled
Table 14.
1. Sampled only, not 100% tested.
Symbol
t
t
EHRL
t
VCHWL
t
t
t
t
t
t
t
t
t
t
EHWH
WLEL
DVEH
EHDX
GHEL
EHGL
ELEH
EHEL
AVAV
AVEL
ELAX
A0-A20/
A–1
W
G
E
DQ0-DQ7/
DQ8-DQ15
V CC
RB
(1)
Write AC Characteristics, Chip Enable Controlled
t
t
t
BUSY
t
t
t
t
t
CPH
OEH
Alt
t
t
t
t
VCS
WC
WS
WH
CP
DS
DH
AH
AS
Address Valid to Next Address Valid
Write Enable Low to Chip Enable Low
Chip Enable Low to Chip Enable High
Input Valid to Chip Enable High
Chip Enable High to Input Transition
Chip Enable High to Write Enable High
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
Program/Erase Valid to RB Low
V
tVCHWL
CC
High to Write Enable Low
tWLEL
tGHEL
tAVEL
Parameter
tAVAV
VALID
tELEH
tDVEH
tEHRL
VALID
tELAX
Max
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
tEHWH
tEHGL
tEHEL
tEHDX
DC and AC parameters
70
70
45
45
30
45
30
50
0
0
0
0
0
0
M29W320D
90
90
50
50
30
50
35
50
0
0
0
0
0
0
AI90200
Unit
35/56
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs