
CL-PD6710/’22
ISA–to–PC-Card Host Adapters
May 1997
89
PRELIMINARY DATA SHEET v3.1
ELECTRICAL SPECIFICATIONS
a
When the CORE_VDD voltage is 3.3 V, input thresholds are TTL compatible; when the CORE_VDD voltage is 5 V, input
thresholds are CMOS compatible.
b
The value of the input threshold level is dependent on the voltage applied to V
DD
pins of the CL-PD67XX.
Table 15-3. ISA Bus Interface DC Specifications
Symbol
Parameter
MIN
MAX
Unit
Conditions
ISA_VCC
5V
Power Supply Voltage
4.5
5.5
V
Normal operation
ISA_VCC
3V
Power Supply Voltage
3.0
3.6
V
Normal operation
V
IHa
Input High Voltage
2.0
V
CORE_VDD = 3.0 V
V
ILa
Input Low Voltage
0.8
V
CORE_VDD = 3.6 V
V
IHCa
Input High Voltage CMOS
0.7 V
DDb
V
CORE_VDD = 4.5 V
V
ILCa
Input Low Voltage CMOS
0.2 V
DDb
V
CORE_VDD = 5.5 V
V
OH
Output High Voltage
2.4
V
At rated I
OH
, ISA_VCC = 3.0 V
V
OHC
Output High Voltage CMOS
ISA_VCC
– 0.5
V
At rated I
OHC
, ISA_VCC = 3.0 V
V
OL
Output Low Voltage
0.5
V
At rated I
OL
I
OH
Output Current High,
2-mA-type driver
2
mA
ISA_VCC = 3.0 V,
V
OH
= 2.4 V
Output Current High,
12-mA-type driver
5
mA
Output Current High,
16-mA-type driver
5
mA
I
OHC
Output Current High CMOS,
2-mA-type driver
1
mA
ISA_VCC = 3.0 V,
V
OHC
= ISA_VCC – 0.5 V
Output Current High CMOS,
12-mA-type driver
1
mA
Output Current High CMOS,
16-mA-type driver
1
mA
I
OL
Output Current Low,
2-mA-type driver
2
mA
ISA_VCC = 3.0 V,
V
OL
= 0.5 V
Output Current Low,
12-mA-type driver
12
mA
Output Current Low,
16-mA-type driver
16
mA