®
IS93C56A
IS93C66A
ISSI
AC ELECTRICAL CHARACTERISTICS
TA = –40°C to +125°C for Automotive
Symbol Parameter
TestConditions
Min.
Max.
Unit
fSK
SK Clock Frequency
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
0
0
2
3
Mhz
Mhz
tSKH
tSKL
tCS
SK HIGH Time
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
200
200
—
—
ns
ns
SK LOW Time
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
200
100
—
—
ns
ns
Minimum CS LOW Time
CS Setup Time
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
200
200
—
—
ns
ns
tCSS
tDIS
tCSH
tDIH
tPD1
tPD0
tSV
Relative to SK
Relative to SK
Relative to SK
Relative to SK
AC Test
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
100
50
—
—
ns
ns
Din Setup Time
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
50
50
—
—
ns
ns
CS Hold Time
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
0
0
—
—
ns
ns
Din Hold Time
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
50
50
—
—
ns
ns
Output Delay to “1”
Output Delay to “0”
CS to Status Valid
CS to Dout in 3-state
Write Cycle Time
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
—
—
200
100
ns
ns
AC Test
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
—
—
200
100
ns
ns
AC Test
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
—
—
200
200
ns
ns
tDF
AC Test, CS=VIL
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
—
—
100
100
ns
ns
tWP
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
—
—
5
5
ms
ms
Notes:
1. C L = 100pF
8
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. A
05/02/06