74hc27a IK Semicon Co., Ltd, 74hc27a Datasheet - Page 4

• Manufacturer Part Number: 74hc27a
• Description: Triple 3-input Nor Gate
• Manufacturer: IK Semicon Co., Ltd

AC ELECTRICAL CHARACTERISTICS
t
t
Symbol
PHL
THL
GENERATOR
C
C
, t
, t
PD
IN
PULSE
PLH
TLH
Maximum Propagation Delay (Figure 1)
Maximum Output Transition Time
(Figure 1)
Maximum Input Capacitance
Power Dissipation Capacitance (Per Gate)
Used to determine the no-load dynamic power
consumption:
P
D
=C
PD
Input
V
Output
V = V
V
V = 0.5 V
CC
1
I
2
2
f+I
CC
CC
V
CC
CC
Parameter
R
T
0.9
DEVICE
UNDER
V
TEST
2
V
Figure 1. Switching Waveforms
t
f
CC
t
PLH
Figure 2. Test Circuit
V
0.1
2
0.1
t
TLH
(C
0.9
L
V
=50pF,Input t
O
0.1
C
L
t
V
2.0
4.5
6.0
2.0
4.5
6.0
6.0
r
V
0.9
CC
V
t
2
PHL
0.9
r
50 pF
=t
t
THL
T
-55°C
25 °C
f
=6.0 ns)
A
V
90
18
15
75
15
13
10
to
=25°C,V
2
0.1
Guaranteed Limit
GND
54
Termination resistance R
be equal to Z
V
≤85°C
1
CC
115
23
20
95
19
16
10
=5.0 V
≤125°C
OUT
0 V
135
110
V
27
23
22
19
10
of pulse generators
CC
IN74HC27A
T
Rev. 00
Unit
pF
pF
– should
ns
ns