Test
Parameter |
Unit |
Typical
Description |
Logic High Input
Voltage,
Vih (Logic "1") |
V |
This is the
minimum voltage that an input of a CMOS digital IC is guaranteed to
recognize as a Logic "1".
Typical Spec:
3.5 V min. for Vss = 5V |
Logic Low Input
Voltage,
Vil (Logic "0") |
V |
This is the
maximum voltage that an input of a CMOS digital IC is guaranteed to
recognize as a Logic "0".
Typical Spec:
1.5 V max. for Vss = 5V |
Logic High Output
Voltage,
Voh (Logic "1") |
V |
This is the
minimum voltage that an output of a CMOS digital IC is guaranteed to
deliver as a Logic "1".
Typical Spec:
4.99 V min. for Vss = 5V |
Logic Low
Output
Voltage,
Vol
(Logic "0") |
V |
This is the
maximum voltage that an output of a CMOS digital IC is guaranteed to
deliver as a Logic "0".
Typical Spec:
0.01 V max. for Vss = 5V |
Logic High
Input Current,
Iih
|
pA |
This is the
minimum amount of current needed by an input of a CMOS digital IC
to stay
at Logic "1".
Example of an
Actual Spec:
+10 pA
min. when Vss = 5V; Vin =
3.5V |
Logic Low Input
Current,
Iil |
pA |
This is the
maximum amount of current
that the input of a CMOS digital IC can sink
to stay at Logic "0".
Example of an
Actual Spec:
-10 pA max. when Vss = 5V; Vin =
1.5V |
Logic High
Output Current,
Ioh
|
mA |
This is the
maximum amount of current that an output of a CMOS digital IC
can source while
at Logic "1".
Example of an
Actual Spec:
-0.5 mA
max. when Vss = 5V; Vin
= 3.5V |
Logic Low Output
Current,
Iol |
mA |
This is the
maximum amount of current that an output of a CMOS digital IC can sink
while at Logic "0".
Example of an
Actual Spec:
+0.4 mA max. when Vss = 5V; Vin
= 1.5V |