AM29F400B AMD [Advanced Micro Devices], AM29F400B Datasheet - Page 33

• 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
Notes:
1. PA = Program Address, PD = Program Data, SA = Sector Address, DQ7# = Complement of Data Input, D
2. Figure indicates the last two bus cycles of the command sequence, with the device in word mode.
Addresses
RESET#
RY/BY#
WE#
Data
OE#
CE#
Figure 19. Alternate CE# Controlled Write Operation Timings
t
RH
555 for program
2AA for erase
t
t
t
WS
WC
WH
A0 for program
55 for erase
t
GHEL
t
t
t
DS
CP
PA for program
SA for sector erase
555 for chip erase
CPH
t
AS
t
DH
P R E L I M I N A R Y
t
Am29F400B
AH
PD for program
30 for sector erase
10 for chip erase
t
BUSY
t
WHWH1 or 2
Data# Polling
DQ7#
PA
D
OUT
OUT
= Array Data.
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