am42bds640ag Meet Spansion Inc., am42bds640ag Datasheet - Page 52

• Manufacturer Part Number: am42bds640ag
• Description: 64 Megabit 4 M ? 16-bit Cmos 1.8 Volt-only, Simultaneous Operation, Burst Mode Flash Memory And 16 Mbit 1 M ? 16-bit Static Ram Preliminary
• Manufacturer: Meet Spansion Inc.

AC CHARACTERISTICS
Notes:
1. PA = Program Address, PD = Program Data, VA = Valid
2. “In progress” and “complete” refer to status of program
3. A21–A12 are don’t care during command sequence
November 1, 2002
Address for reading status bits.
operation.
unlock cycles.
Addresses
AVD#
CE#f
WE#
Data
OE#
CLK
V
CC
V
V
IH
IL
t
t
VCS
AS
t
AH
t
CS
t
555h
CSW1
Figure 21. Asynchronous Program Operation Timings
t
t
WP
AVSW
t
Program Command Sequence (last two cycles)
DS
t
A0h
AVHW
t
AVDP
t
DH
t
WC
(Note 6)
P R E L I M I N A R Y
t
WPH
Am42BDS640AG
(Note 4)
PA
PD
4. CLK can be either V
5. The Asynchronous programming operation is
6. AVD# must toggle during command sequence if CLK is at
independent of the Set Device Read Mode bit in the Burst
Mode Configuration Register.
V
IH
t
CH
.
VA
IL
t
WHWH1
or V
Progress
IH
Read Status Data
.
In
VA
Complete
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