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AM29F400B Datasheet(PDF) 32 Page - Advanced Micro Devices

Part # AM29F400B
Description  4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
PDF  37 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM29F400B Datasheet(HTML) 32 Page - Advanced Micro Devices

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Am29F400B
PREL I M I N AR Y
AC CHARACTERISTICS
Alternate CE# Controlled Erase/Program Operations
Notes:
1. Not 100% tested.
2. See the “Erase and Programming Performance” section for more information.
Parameter
-55
-60
-70
-90
-120
-150
JEDEC
Std.
Description
Unit
tAVAV
tWC
Write Cycle Time (Note 1)
Min
55
60
70
90
120
150
ns
tAVEL
tAS
Address Setup Time
Min
0
ns
tELAX
tAH
Address Hold Time
Min
45
45
45
45
50
50
ns
tDVEH
tDS
Data Setup Time
Min
25
30
30
45
50
50
ns
tEHDX
tDH
Data Hold Time
Min
0
ns
tOES
Output Enable Setup Time
Min
0
ns
tGHEL
tGHEL
Read Recovery Time Before Write
(OE# High to WE# Low)
Min
0
ns
tWLEL
tWS
WE# Setup Time
Min
0
ns
tEHWH
tWH
WE# Hold Time
Min
0
ns
tELEH
tCP
CE# Pulse Width
Min
30
35
35
45
50
50
ns
tEHEL
tCPH
CE# Pulse Width High
Min
20
ns
tWHWH1
tWHWH1
Programming Operation
(Note 2)
Byte
Typ
7
µs
Word
Typ
12
tWHWH2
tWHWH2
Sector Erase Operation (Note 2)
Typ
1
sec



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