AM29DL640D120EE AMD [Advanced Micro Devices], AM29DL640D120EE Datasheet - Page 44

• Manufacturer Part Number: AM29DL640D120EE
• Description: 64 Megabit (8 M x 8-Bit/4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Read/Write 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.
42
Addresses
Addresses
DQ0–DQ6
RY/BY#
WE#
Data
OE#
CE#
WE#
DQ7
OE#
CE#
WE# Controlled Write Cycle
t
WPH
t
t
BUSY
CH
t
Figure 22. Data# Polling Timings (During Embedded Algorithms)
OEH
Valid PA
t
t
WC
t
WP
AH
t
DS
t
Valid
Figure 21. Back-to-back Read/Write Cycle Timings
ACC
t
In
CE
t
VA
t
RC
OE
t
DH
Complement
Status Data
t
OEH
Valid RA
t
SR/W
t
t
OH
t
ACC
RC
t
CE
t
DF
t
OE
Am29DL640D
Read Cycle
Valid
Out
t
OH
VA
Complement
t
DF
Status Data
t
GHWL
t
WC
Valid PA
True
True
Valid
CE# Controlled Write Cycles
In
t
CPH
VA
Valid PA
t
Valid Data
Valid Data
December 13, 2005
WC
Valid
In
t
CP
High Z
High Z