Datasheet

©1987 Fairchild Semiconductor Corporation www.fairchildsemi.com
MM74HCT32 Rev. 1.3.0 4
MM74HCT32 — Quad 2-Input OR Gate
DC Electrical Characteristics
V
CC
= 5V ± 10% (unless otherwise specified)
Note:
3. This is measured per input with all other inputs held at V
CC
or ground.
AC Electrical Characteristics
V
CC
= 5.0V, t
r
= t
f
= 6ns, C
L
= 15pF, T
A
= 25C° (unless otherwise noted)
AC Electrical Characteristics
V
CC
= 5.0V ± 10%, t
r
= t
f
= 6ns, C
L
= 15pF (unless otherwise noted)
Note:
4. C
PD
determines the no load dynamic power consumption, P
D
= C
PD
V
CC
2 f +I
CC
V
CC
, and the no load dynamic
current consumption, I
S
= C
PD
V
CC
f + I
CC
.
Symbol Parameter Conditions
T
A
= 25°C
T
A
= –40°C
to +85°C
UnitsTyp. Guaranteed Limits
V
IH
Minimum HIGH Level
Input Voltage
2.0 2.0 V
V
IL
Maximum LOW Level
Input Voltage
0.8 0.8 V
V
OH
Minimum HIGH Level
Output Voltage
V
IN
= V
IH
or V
IL
, |I
OUT
| = 20µA V
CC
V
CC
– 0.1 V
CC
– 0.1 V
V
IN
= V
IH
or V
IL
, |I
OUT
| = 4.0mA,
V
CC
= 4.5V
4.2 3.98 3.84
V
IN
= V
IH
or V
IL
, |I
OUT
| = 4.8mA,
V
CC
= 5.5V
5.2 4.98 4.84
V
OL
Maximum LOW Level
Voltage
V
IN
= V
IH
, |I
OUT
| = 20µA 0 0.1 0.1 V
V
IN
= V
IH
, |I
OUT
| = 4.0mA,
V
CC
= 4.5V
0.2 0.26 0.33
V
IN
= V
IH
, |I
OUT
| = 4.8mA,
V
CC
= 5.5V
0.2 0.26 0.33
I
IN
Maximum Input
Current
V
IN
= V
CC
or GND, V
IH
or V
IL
± 0.1 ± 1.0 µA
I
CC
Maximum Quiescent
Supply Current
V
IN
= V
CC
or GND, I
OUT
= 0µA 2.0 20 µA
V
IN
= 2.4V or 0.5V
(3)
1.2 1.4 mA
Symbol Parameter Conditions Typ.
Guaranteed
Limit Units
t
PLH
, t
PHL
Maximum Propagation Delay 10 ns
Symbol Parameter Conditions
T
A
= 25°C
T
A
= –40°C
to +85°C
UnitsTyp. Guaranteed Limits
t
PLH
, t
PHL
Maximum Propagation Delay 12 20 25 ns
t
THL
, t
TLH
Maximum Output Rise & Fall Time 8 15 19 ns
C
PD
Power Dissipation Capacitance
(4)
48 pF
C
IN
Input Capacitance 5 10 10 pF