W764M32V-XSBX
White Electronic Designs
ADVANCED*
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS – WE# CONTROLLED
VCC = 3.3V 0.3V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
-100
-120
Unit
Min
100
0
35
0
45
0
45
30
Max
Min
120
0
50
0
50
0
50
30
Max
Write Cycle Time (3)
tAVAV
tELWL
tWLWH
tAVWL
tDVWH
tWHDX
tWLAX
tWHWL
tWHWH1
tWHWH2
tGHWL
tVCS
tWC
tCS
tWP
tAS
tDS
tDH
tAH
ns
ns
ns
ns
ns
ns
ns
ns
µs
sec
ns
µs
ns
Chip Select Setup Time (3)
Write Enable Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Write Enable Pulse Width High (3)
Duration of Byte Programming Operation (1)
Sector Erase (2)
Read Recovery Time before Write (3)
VCC Setup Time
tWPH
500
3.5
500
5
0
50
15
0
50
15
Address Setup Time to OE# low during toggle bit
polling
tASO
Write Recovery Time from RY/BY# (3)
Program/Erase Valid to RY/BY#
tRB
tBUSY
0
90
0
90
ns
ns
NOTES:
1. Typical value for tWHWH1 is 60 µs.
2. Typical value for tWHWH2 is 0.5 sec.
3. Guaranteed by design, but not tested.
AC CHARACTERISTICS – READ-ONLY OPERATIONS
VCC = 3.3V 0.3V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
-100
-120
Unit
Min
Max
Min
Max
Read Cycle Time (1)
tAVAV
tAVQV
tELQV
tRC
tACC
tCE
100
120
ns
ns
ns
ns
ns
ns
ns
ns
Address Access Time
100
100
25
120
120
30
Chip Select Access Time
Page Access Time
tPACC
tOE
Output Enable to Output Valid
Chip Select High to Output High Z
Output Enable High to Output High Z
tGLQV
tEHQZ
tGHQZ
tAXQX
25
35
tDF
20
20
tDF
20
20
Output Hold from Addresses, CS# or OE# Change,
Whichever occurs first
tOH
0
0
Output Enable Hold Time (1)
Read
tOEH
0
0
ns
ns
Toggle and
Data# Polling
10
10
1. Guaranteed by design, not tested.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2006
Rev. 2
6
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
