AM29DL640D AMD, AM29DL640D Datasheet - Page 42

• Manufacturer Part Number: AM29DL640D
• Description: 64 Megabit CMOS 3.0 Volt-only / Simultaneous Read/Write Flash Memory
• Manufacturer: AMD

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 21. Data# Polling Timings (During Embedded Algorithms)
OEH
Valid PA
t
t
WC
t
WP
AH
t
DS
t
Valid
Figure 20. Back-to-back Read/Write Cycle Timings
ACC
t
In
CE
t
VA
t
RC
OE
A D V A N C E
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
I N F O R M A T I O N
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
WC
Valid
In
t
CP
High Z
High Z