AM29F040 AMD [Advanced Micro Devices], AM29F040 Datasheet - Page 26

• Manufacturer Part Number: AM29F040
• Description: 4 Megabit (524,288 x 8-Bit) CMOS 5.0 Volt-only, Sector Erase Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

AC CHARACTERISTICS
Write/Erase/Program Operations
Alternate CE Controlled Writes
Notes:
1. This does not include the preprogramming time.
2. Not 100% tested.
26
t
t
t
Parameter Symbols
JEDEC
WHWH1
WHWH2
WHWH3
t
t
t
t
t
t
t
t
t
t
EHWH
DVEH
EHDX
GHEL
WLEL
AVEL
ELAX
ELEH
EHEL
AVAV
Standard
t
t
t
WHWH1
WHWH2
WHWH3
t
t
t
GHEL
t
t
t
t
OEH
t
t
t
t
t
OES
t
CPH
VCS
WC
WH
WS
AS
AH
DS
DH
CP
Write Cycle Time (Note 2)
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Output Enable Setup Time
Output
Enable
Hold
Time
Read Recover Time Before Write
WE Setup Time
WE Hold Time
CE Pulse Width
CE Pulse Width High
Byte Programming Operation
Sector Erase Operation (Note 1)
Chip Erase Operation (Note 1)
V
CC
Setup Time (Note 2)
Read (Note 2)
Toggle and Data Polling
(Note 2)
Description
Am29F040
Max
Max
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Typ
Typ
Min
Typ
-55
10
64
55
40
25
30
20
30
1
8
8
0
0
0
0
0
0
0
7
-70
70
45
30
10
35
20
64
50
0
0
0
0
0
0
0
7
1
8
8
Speed Options
-90
45
45
10
45
20
64
50
90
0
0
0
0
0
0
1
8
8
0
7
-120
120
50
10
50
64
50
20
50
0
0
0
0
0
1
8
8
0
0
7
-150
150
10
64
50
50
50
20
50
0
0
0
1
8
8
0
0
0
0
7
Unit
sec
sec
sec
sec
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s