AM29DL400BB-120EC AMD [Advanced Micro Devices], AM29DL400BB-120EC Datasheet - Page 33

• Manufacturer Part Number: AM29DL400BB-120EC
• Description: 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

AC CHARACTERISTICS
Note: VA = Valid address. Illustration shows first status cycle after command sequence, last status read cycle, and array data
read cycle.
Addresses
Addresses
DQ0–DQ6
WE#
Data
RY/BY#
OE#
CE#
WE#
DQ7
OE#
CE#
WE# Controlled Write Cycle
t
WPH
t
t
BUSY
CH
Figure 20. Data# Polling Timings (During Embedded Algorithms)
t
OEH
Valid PA
t
t
WC
t
WP
AH
Figure 19. Back-to-Back Read/Write Cycle Timings
t
DS
Valid
t
ACC
In
t
CE
t
VA
t
RC
OE
t
DH
Complement
Status Data
t
OEH
P R E L I M I N A R Y
Valid RA
t
SR/W
t
OH
t
t
ACC
RC
t
t
CE
DF
t
OE
Am29DL400B
Read Cycle
Valid
Out
t
VA
OH
Complement
Status Data
t
DF
t
GHWL
True
True
t
WC
Valid PA
Valid
CE# Controlled Write Cycles
In
t
CPH
VA
Valid Data
Valid Data
Valid PA
t
WC
Valid
In
t
CP
High Z
High Z
21606C-23
21606C-24
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