AM49DL640BH56IS SPANSION [SPANSION], AM49DL640BH56IS Datasheet - Page 48

• Manufacturer Part Number: AM49DL640BH56IS
• Description: 64 Megabit (8 M x 8-Bit/4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory
• Manufacturer: SPANSION [SPANSION]

FLASH AC CHARACTERISTICS
Note: VA = Valid address. Illustration shows first status cycle after command sequence, last status read cycle, and array data
read cycle.
46
Addresses
Addresses
DQ0–DQ6
RY/BY#
WE#
Data
CE#f
OE#
CE#f
DQ7
WE#
OE#
WE# Controlled Write Cycle
t
WPH
t
t
BUSY
CH
Figure 22. Data# Polling Timings (During Embedded Algorithms)
t
OEH
Valid PA
t
t
WC
t
WP
AH
t
t
Figure 21. Back-to-back Read/Write Cycle Timings
DS
ACC
Valid
t
CE
In
t
VA
t
RC
A D V A N C E
OE
t
DH
Complement
Status Data
t
OEH
Valid RA
t
SR/W
t
OH
t
t
ACC
t
RC
t
DF
CE
t
Am49DL640BH
OE
Read Cycle
I N F O R M A T I O N
Valid
Out
t
OH
VA
Complement
Status Data
t
DF
t
GHWL
True
t
WC
Valid PA
True
Valid
CE#f Controlled Write Cycles
In
t
CPH
VA
Valid PA
Valid Data
Valid Data
t
WC
December 5, 2003
Valid
In
t
CP
High Z
High Z