White Electronic Designs
V
CC
= 3.3V ± 0.3V, -55°C ≤ T
A
≤ +125°C
Parameter
Write Cycle Time (3)
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
Address Setup Time to OE# low during toggle bit
polling
Write Recovery Time from RY/BY# (3)
Program/Erase Valid to RY/BY#
NOTES:
1. Typical value for t
WHWH1
is 60 µs.
2. Typical value for t
WHWH2
is 0.5 sec.
3. Guaranteed by design, but not tested.
W764M32V-XSBX
ADVANCED*
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS – WE# CONTROLLED
Symbol
t
AVAV
t
ELWL
t
WLWH
t
AVWL
t
DVWH
t
WHDX
t
WLAX
t
WHWL
t
WHWH1
t
WHWH2
t
GHWL
t
VCS
t
WC
t
CS
t
WP
t
AS
t
DS
t
DH
t
AH
t
WPH
Min
100
0
35
0
45
0
45
30
-100
Max
Min
120
0
50
0
50
0
50
30
-120
Max
ns
ns
ns
ns
ns
ns
ns
ns
µs
sec
ns
µs
ns
ns
ns
Unit
500
3.5
0
50
15
0
90
0
50
15
0
90
500
5
t
ASO
t
RB
t
BUSY
AC CHARACTERISTICS – READ-ONLY OPERATIONS
V
CC
= 3.3V ± 0.3V, -55°C ≤ T
A
≤ +125°C
Parameter
Read Cycle Time (1)
Address Access Time
Chip Select Access Time
Page Access Time
Output Enable to Output Valid
Chip Select High to Output High Z
Output Enable High to Output High Z
Output Hold from Addresses, CS# or OE# Change,
Whichever occurs first
Output Enable Hold Time (1)
Read
Toggle and
Data# Polling
1.
Guaranteed by design, not tested.
6
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
Symbol
Min
t
AVAV
t
AVQV
t
ELQV
t
RC
t
ACC
t
CE
t
PACC
t
GLQV
t
EHQZ
t
GHQZ
t
AXQX
t
OE
t
DF
t
DF
t
OH
t
OEH
0
0
10
100
-100
Max
100
100
25
25
20
20
0
0
10
Min
120
-120
Max
Unit
ns
120
120
30
35
20
20
ns
ns
ns
ns
ns
ns
ns
ns
ns
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2006
Rev. 2
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
