M29W640FB STMICROELECTRONICS [STMicroelectronics], M29W640FB Datasheet - Page 42

• 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 15.
1. Sampled only, not 100% tested.
42/72
Symbol
t
t
EHRL
t
VCHWL
t
t
t
t
t
t
t
t
t
t
EHWH
WLEL
ELEH
DVEH
EHDX
EHEL
GHEL
EHGL
AVAV
AVEL
ELAX
(1)
t
t
t
t
BUSY
t
t
t
t
t
t
CPH
t
OEH
Alt
t
VCS
Write AC Characteristics, Chip Enable Controlled
WC
WS
WH
DH
CP
DS
AS
AH
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
CC
High to Write Enable Low
Parameter
Max
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
M29W640FT, M29W640FB
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