W72M64VK-XBX Datasheet, PDF (12/16 Pages) White Electronic Designs Corporation – 2Mx64 3.3V Simultaneous Operation Flash Multi-Chip Package

White Electronic Designs
W72M64VK-XBX
FIGURE 13: SECTOR/SECTOR BLOCK PROTECT AND UNPROTECT TIMING DIAGRAM
VID
VIH
RESET#
SA, A6,
A1, A0
Data
CS#
Valid*
Valid*
Sector/Sector Block Protect or Unprotect
Verify
60h
60h
40h
1 µs
Sector/Sector Block Protect: 150 µs
Sector/Sector Block Unprotect: 15 ms
Valid*
Status
WE#
OE#
NOTE: VA = Valid address, not required for DQ6. Illustration shows first two status cycle after command sequence, last status read cycle, and array data read cycle.
AC CHARACTERISTICS – ALTERNATE CS# CONTROLLED ERASE AND PROGRAM OPERATIONS
Parameter
JEDEC
tAVAV
tAVWL
tELAX
tDVEH
tEHDX
tGHEL
tWLEL
tEHWH
tELEH
tEHEL
tWHWH1
tWHWH1
tWHWH2
Std
tWC
tAS
tAH
tDS
tDH
tGHEL
TWS
tWH
tCP
tCPH
tWHWH1
tWHWH1
tWHWH2
NOTE: 1. Not tested.
Description
Write Cycle Time (1)
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Read Recovery Time Before Write (OE# High to WE# Low)
WE# Setup Time
WE# Hold Time
CS# Pulse Width
CS# Pulse Width High
Programming Operation
Accelerated Programming Operation
Sector Erase Operation
Speed Options
90
100
120
Unit
Min
90
100
120
ns
Min
0
0
0
ns
Min
45
45
50
ns
Min
45
45
50
ns
Min
0
0
0
ns
Min
0
0
0
ns
Min
0
0
0
ns
Min
0
0
0
ns
Min
35
45
50
ns
Min
30
30
30
ns
Typ
7
7
7
µs
Typ
4
4
4
µs
Typ
0.4
0.4
0.4
sec
April 2005
Rev. 0
12
White Electronic Designs Corporation • [phone] • www.wedc.com