WED7PxxxCFA70xxI25
White Electronic Designs
I/O Access Write AC Characteristics
SYMBOL
tSU
tH
PARAMETER
MIN
60
30
165
70
20
5
20
5
0
MAX
—
—
—
—
—
—
—
—
UNIT
Data setup before IOWR#
Data hold following IOWR#
IOWR# pulse width
tW
t
SUA
Address setup before IOWR#
Address hold following IOWR#
CE# setup before IOWR#
CE# hold following IOWR#
REG# setup before IOWR#
REG# hold following IOWR#
IOIS16# delay failing from address
IOIS16# delay rising from address
tHA
tSUCE
tHCE
tSUREG
tHREG
tDFIOIS16
ns
—
35
35
—
—
t
DRIOIS16
Common Memory Access Read AC Characteristics
SYMBOL
PARAMETER
OE# access time
MIN
—
—
30
20
0
MAX
UNIT
tA
tDIS
tSU
tH
tSU
tH
125
100
—
—
—
Output disable time (OE#)
Address setup time
Address hold time
CE# setup before OE#
OE# hold following OE#
ns
20
—
Common Memory Access Write AC Characteristics
SYMBOL
tSU
tH
tW
tH
tSU
tSU
tREC
tH
PARAMETER
MIN
80
30
150
20
30
0
MAX
—
—
—
—
—
—
—
—
UNIT
Data setup before WE#
Data hold following WE#
Write pulse width
Address hold time
Address setup time
CE# setup time
ns
Write recover time
CE# hold following WE#
30
20
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
July 2005
Rev. 1
9
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
