at49lw040 ATMEL Corporation, at49lw040 Datasheet - Page 25

• Manufacturer Part Number: at49lw040
• Description: At49lw040 4-megabit Firmware Hub Flash Memory
• Manufacturer: ATMEL Corporation

A/A Mux Write Operations
Notes:
A/A Mux Write Timing Diagram
3342A–FLASH–6/03
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PHWL
WLWH
DVWH
WHDX
AVCL
CLAX
AVCH
CHAX
WHWL
CHWH
VPWH
WHGL
WHRL
QVVL
1. Refer to “A/A Mux Read-only Operations” for valid A
2. T
Parameter
RP High Recovery to WE Low
Write Pulse Width Low
Data Setup to WE High
Data Hold from WE High
Row Address Setup to R/C Low
Row Address Hold from R/C Low
Column Address Setup to R/C High
Column Address Hold from R/C High
Write Pulse Width High
R/C High Setup to WE High
V
Write Recovery before Read
WE High to RY/BY Going Low
V
C
PP1
PP1
= 0 C to +85 C, 3.3V ± 0.3V V
Setup to WE High
Hold from Valid SRD, RY/BY High
NOTES
A = V
B = Write sector erase or program setup
C = Write sector erase confirm or valid address and data
D = Automated erase or program delay
E = Read status register data
F = Ready to write another command
ADDRESSES
CC
V
power-up and standby
PP
(V)
RY/BY
RST
R/C
I/O
WE
OE
V
PPH1
V
V
V
V
V
V
V
V
(1)
V
V
V
V
V
V
V
OH
OL
IH
IH
IH
IH
IH
IH
(1)
IL
IL
IL
IL
IL
IL
IL
(1)(2)
t
AVCL
A
(1)
(1)
(1)
t
(1)
CC
PHWL
R1
.
t
DVWH
B
t
t
CLAX
WLWH
C1
IN
D
and D
IN
t
AVCH
t
WHWL
R2
t
VPWH
IN
C
t
for sector erase or program, or other commands.
WHDX
C2
D
IN
t
CHAX
t
CHWH
t
D
WHGL
t
WHRL
t
E
Min
100
100
100
50
50
50
50
50
50
Valid
1
8
0
0
SRD
t
QVVL
F
AT49LW040
Max
150
Units
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
25