A D V A N C E I N F O R M A T I O N
AC CHARACTERISTICS
Program Command Sequence (last two cycles)
Read Status Data
tCSW1
V
IH
CLK
V
IL
tAVSW
tAVHW
AVD#
tAVDP
tAS
tAH
Addresses
Data
555h
PA
VA
VA
In
A0h
tDS
Complete
PD
Progress
tDH
CE#
tCH
OE#
WE#
tWP
tWHWH1
tCS
tWPH
tWC
tVCS
VCC
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 Configuration Register.
Figure 21. Asynchronous Program Operation Timings
48
Am29BDS640G
May 9, 2002
SPANSION [ SPANSION ]
