M29W640FB STMICROELECTRONICS [STMicroelectronics], M29W640FB Datasheet - Page 40

• Manufacturer Part Number: M29W640FB
• Description: 64 Mbit (8Mb x8 or 4Mb x16, Page, Boot Block) 3V Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

7 DC and AC parameters
Table 14.
1. Sampled only, not 100% tested.
40/72
Symbol
t
WHRL
t
t
t
t
t
t
t
t
t
t
t
VCHEL
t
WLWH
WHWL
DVWH
WHDX
WHEH
GHWL
WHGL
AVWL
WLAX
ELWL
AVAV
(1)
Write AC Characteristics, Write Enable Controlled
t
t
t
t
BUSY
t
WPH
t
t
t
OEH
Alt
t
t
t
t
VCS
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
CC
High to Chip Enable Low
Parameter
Max
M29W640FT, M29W640FB
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
M29W640FT,
M29W640FB
60
60
45
45
30
45
30
50
0
0
0
0
0
0
70
70
45
45
30
45
30
50
0
0
0
0
0
0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs