DC Characteristics (Continued)
(4.5Vdc< VCC < 5.5Vdc, VSS = 0V, TC = -55°C to +125°C, Unless otherwise specified)
–017 & –020 –025 & –035 –045 & –055
Parameter
Sym
Conditions
Units
Min Max
Min Max
Min Max
CE = VIH, OE = VIH,
f = 5 MHz, VCC = Max,
CMOS Compatible
ISB
80
60
60
mA
Standby Current
VOL
VOH
0.4
2.4
0.4
2.4
0.4
2.4
V
V
Output Low Voltage
Output High Voltage
IOL = 8 mA, VCC = Min
IOH = -4.0 mA, VCC = Min
AC Characteristics
(VCC = 5.0V, VSS = 0V, TC = -55°C to +125°C)
Read Cycle
Parameter
–017
–020
–025
–035
–045
–055
Sym
Units
Min Max Min Max Min Max Min Max Min Max Min Max
tRC
tAA
tACE
tOH
17
20
25
35
45
55
ns
ns
ns
ns
ns
ns
ns
ns
ns
Read Cycle Time
A
17
17
20
20
25
25
35
35
45
45
55
55
Address Access Time
Chip Enable Access Time
0
0
0
0
0
0
Output Hold from Address Change
Output Enable to Output Valid
Chip Enable to Output in Low Z*
Output Enable to Output in Low Z*
Chip Deselect to Output in High Z*
tOE
9
12
15
20
25
30
tCLZ
tOLZ
tCHZ
tOHZ
3
0
3
0
3
0
3
0
3
0
3
0
12
10
12
11
12
12
15
15
20
20
20
20
Output Disable to Output in High Z*
* Parameters guaranteed by design but not tested
Write Cycle
Parameter
–017
–020
–025
–035
–045
–055
Sym
Units
Min Max Min Max Min Max Min Max Min Max Min Max
tWC
tCW
tAW
tDW
tWP
tAS
17
12
12
10
13
0
20
15
15
12
15
0
25
20
20
15
20
0
35
25
25
18
25
0
45
30
30
20
30
0
55
40
40
20
40
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Write Cycle Time
Chip Enable to End of Write
Address Valid to End of Write
Data Valid to End of Write
Write Pulse Width
Address Setup Time
tOW
tWHZ
tDH
3
3
3
4
4
4
Output Active from End of Write *
Write to Output in High Z *
Data Hold from Write Time
10
10
10
15
15
15
0
0
0
0
0
0
0
0
0
0
0
0
tAH
Address Hold Time
* Parameters guaranteed by design but not tested
Data Retention Electrical Characteristics (Special Order Only)
(TC = -55°C to +125°C)
Test Conditions
CE ≥ VCC – 0.2V
All Speeds
Max
Parameter
CC for Data Retention
Sym
Units
Min
VDR
2
5.5
V
V
ICCDR1
11.6
mA
Data Retention Current
VCC = 3V, 17-55ns
Aeroflex Circuit Technology ACT-S128K32
SCD1659 REV E 5/21/01 Plainview NY (516) 694-6700
3
AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
