IN74HCT27AN 查看數據表（PDF） - IK Semicon Co., Ltd
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IN74HCT27AN Datasheet PDF : 5 Pages
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IN74HCT27A
AC ELECTRICAL CHARACTERISTICS (CL=50pF,Input tr=tf=6.0 ns)
Symbol
Parameter
tPHL, tPLH
tTHL, tTLH
CIN
Maximum Propagation Delay (Figure 1)
Maximum Output Transition Time
(Figure 1)
Maximum Input Capacitance
VCC
Guaranteed Limit
V 25 °C ≤85°C ≤125°C Unit
to
-55°C
4.5 24
31
37
ns
4.5 15
19
22
ns
5.0 10
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
VCC
0V
V1 = 3 V
V2 = 1.3 V
Figure 1. Switching Waveforms
VCC
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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