M29W320DB STMICROELECTRONICS [STMicroelectronics], M29W320DB Datasheet - Page 34

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

DC and AC parameters
Figure 10. Write AC Waveforms, Write Enable Controlled
Table 13.
1. Sampled only, not 100% tested.
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Symbol
t
WHRL
t
t
t
t
t
t
t
t
t
t
t
VCHEL
t
WHWL
WLWH
DVWH
WHDX
WHEH
GHWL
WHGL
AVWL
WLAX
ELWL
AVAV
A0-A20/
A–1
E
G
W
DQ0-DQ7/
DQ8-DQ15
V CC
RB
(1)
Write AC Characteristics, Write Enable Controlled
t
t
t
BUSY
t
t
WPH
t
t
t
t
t
t
t
OEH
VCS
Alt
WC
WP
CS
DS
DH
CH
AS
AH
Address Valid to Next Address Valid
Chip Enable Low to Write Enable Low
Write Enable Low to Write Enable High
Input Valid to Write Enable High
Write Enable High to Input Transition
Write Enable High to Chip Enable High
Write Enable High to Write Enable Low
Address Valid to Write Enable Low
Write Enable Low to Address Transition
Output Enable High to Write Enable Low
Write Enable High to Output Enable Low
Program/Erase Valid to RB Low
V
tVCHEL
CC
High to Chip Enable Low
tELWL
tGHWL
tAVWL
Parameter
tAVAV
VALID
tWLWH
tDVWH
tWHRL
VALID
tWLAX
Max
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
tWHEH
tWHGL
M29W320DT, M29W320DB
tWHWL
tWHDX
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
AI90199
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs