W764M32V-XSBX Datasheet, PDF (14/16 Pages) White Electronic Designs Corporation – 64Mx32 Flash Multi-Chip Package 3.0V Page Mode Flash Memory

White Electronic Designs
W764M32V-XSBX
ADVANCED*
FIGURE 12: ALTERNATE CS# CONTROLLED WRITE (ERASE/PROGRAM) OPERATION TIMINGS
Addresses
WE#
OE#
CS#
Data
RESET#
555 for Program PA for Program
2AA for Erase SA for Sector Erase
555 for Chip Erase
tWC
tWH
tAS
tAH
Data# Polling
PA
tGHEL
tWS
tDS
tCP
tCPH
tDH
tWHWH1 OR 2
tBUSY
tHR
A0 for Program
PD for Program
55 for Erase 30 for Sector Erase
10 for Chip Erase
DQ7# DOUT
RY/BY#
NOTES:
1. Figure indicates last two bus cycles of a program or erase operation.
2. PA = program address, SA = sector address, PD = program data.
3. DQ7 is the complement of the data written to the device. DOUT is the data written to the device.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2006
Rev. 2
14
White Electronic Designs Corporation • [phone] • www.wedc.com