AM29BDS640G SPANSION [SPANSION], AM29BDS640G Datasheet - Page 62

• Manufacturer Part Number: AM29BDS640G
• Description: 64 Megabit (4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory
• Manufacturer: SPANSION [SPANSION]

AC Characteristics
Notes:
1. PA = Program Address, PD = Program Data, VA = Valid Address for reading status bits.
2. “In progress” and “complete” refer to status of program operation.
3. A21–A12 are don’t care during command sequence unlock cycles.
4. The Asynchronous programming operation is independent of the Set Device Read Mode bit in the Burst Mode
60
Configuration Register.
Addresses
WE#
Data
OE#
AVD
CE#
CLK
V
CC
V
V
IH
IL
t
t
VCS
AS
t
AH
Figure 22. Alternate Asynchronous Program Operation Timings
t
CS
555h
t
t
AVSW
WP
t
Program Command Sequence (last two cycles)
DS
t
CHW
t
A0h
t
AVHW
AVDP
t
DH
t
WC
t
WPH
Am29BDS640G
PA
P r e l i m i n a r y
PD
t
CH
VA
t
WHWH1
Progress
Read Status Data
In
VA
25903C1 October 1, 2003
Complete