AM29F400B AMD [Advanced Micro Devices], AM29F400B Datasheet - Page 27

• Manufacturer Part Number: AM29F400B
• Description: 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

AC CHARACTERISTICS
Erase/Program Operations
Notes:
1. Not 100% tested.
2. See the “Erase and Programming Performance” section for more information.
JEDEC
t
t
t
WHWH1
WHWH2
t
t
t
t
t
t
t
t
t
WHWL
DVWH
WHDX
GHWL
WHEH
WLWH
WLAX
AVWL
ELWL
AVAV
Parameter
t
t
WHWH1
WHWH2
t
t
GHWL
t
t
t
BUSY
Std.
t
t
WPH
t
t
t
t
OES
t
t
VCS
t
WC
WP
AH
DS
DH
CS
CH
RB
AS
Description
Write Cycle Time (Note 1)
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Output Enable Setup Time
Read Recovery Time Before Write
(OE# High to WE# Low)
CE# Setup Time
CE# Hold Time
Write Pulse Width
Write Pulse Width High
Programming Operation
(Note 2)
Sector Erase Operation (Note 2)
V
Recovery Time from RY/BY#
Program/Erase Valid to RY/BY#
Delay
CC
Setup Time (Note 1)
Word
Byte
P R E L I M I N A R Y
Am29F400B
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Typ
Typ
Typ
Min
Min
Min
-55
55
45
25
30
30
-60
60
45
30
35
30
-70
70
45
30
35
30
20
12
50
0
0
0
0
0
0
7
1
0
-90
90
45
45
45
35
-120
120
50
50
50
50
-150
150
50
50
50
55
Unit
sec
ns
ns
ns
ns
ns
ns
µs
ns
ns
ns
ns
ns
µs
ns
ns
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