IN74HC27A Ver la hoja de datos (PDF) - IK Semicon Co., Ltd
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IN74HC27A Datasheet PDF : 5 Pages
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IN74HC27A
AC ELECTRICAL CHARACTERISTICS (CL=50pF,Input tr=tf=6.0 ns)
Symbol
Parameter
VCC
Guaranteed Limit
V 25 °C ≤85°C ≤125°C Unit
to
-55°C
tPHL, tPLH Maximum Propagation Delay (Figure 1)
tTHL, tTLH Maximum Output Transition Time
(Figure 1)
CIN Maximum Input Capacitance
2.0 90
4.5 18
6.0 15
2.0 75
4.5 15
6.0 13
6.0 10
115
135
ns
23
27
20
23
95
110
ns
19
22
16
19
10
10
pF
Power Dissipation Capacitance (Per Gate)
CPD Used to determine the no-load dynamic power
consumption:
PD=CPDVCC2f+ICCVCC
TA=25°C,VCC=5.0 V
54
pF
Input
Output
tf
0.9
V2
0.1
tPLH
tr
0.9
V2
0.1
tPHL
V1
GND
0.9
V2
0.1
tTLH
0.9
V2
0.1
tTHL
V1 = VCC
V2 = 0.5 VCC
Figure 1. Switching Waveforms
VCC
VCC
0V
VI
PULSE
GENERATOR
DEVICE
UNDER
RT
TEST
VO
CL
50 pF
Termination resistance RT – should
be equal to ZOUT of pulse generators
Figure 2. Test Circuit
Rev. 00
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