am41pds3228d Meet Spansion Inc., am41pds3228d Datasheet - Page 45

• Manufacturer Part Number: am41pds3228d
• Description: 32 Mbit 2 M ? 16-bit Cmos 1.8 Volt-only, Simultaneous Operation Page Mode Flash Memory And 8 Mbit 1 M ? 8-bit/512 K ? 16-bit Static Ram Preliminary
• Manufacturer: Meet Spansion Inc.

FLASH AC CHARACTERISTICS
Note: VA = Valid address. Illustration shows first status cycle after command sequence, last status read cycle, and array data
read cycle.
44
Addresses
Addresses
DQ6–DQ0
RY/BY#
WE#
Data
CE#f
OE#
CE#f
WE#
DQ7
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
OE
t
DH
Complement
Status Data
t
OEH
P R E L I M I N A R Y
Valid RA
t
t
SR/W
OH
t
t
t
ACC
RC
t
DF
CE
Am41PDS3228D
t
OE
Read Cycle
Valid
Out
t
VA
OH
Complement
Status Data
t
DF
t
GHWL
True
t
True
WC
Valid PA
Valid
CE#f Controlled Write Cycles
In
t
CPH
VA
Valid Data
Valid Data
Valid PA
t
WC
Valid
In
t
May 13, 2002
CP
High Z
High Z