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M54HCT27 Datasheet(PDF) 4 Page - STMicroelectronics

Part No. M54HCT27
Description  TRIPLE 3-INPUT NOR GATE
Download  9 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M54HCT27 Datasheet(HTML) 4 Page - STMicroelectronics

   
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AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns)
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
TA =25
oC
54HC and 74HC
-40 to 85
oC
74HC
-55 to 125
oC
54HC
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH
tTHL
Output Transition
Time
4.5
8
151922
ns
tPLH
tPHL
Propagation
Delay Time
4.5
12
19
24
29
ns
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
48
pF
(*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD
•VCC •fIN +ICC/3 (per Gate)
SWITCHING CHARACTERISTICS TEST CIRCUIT
INPUT WAVEFORM IS THE SAVE AS THAT IN CASE OF SWITCHING CHARACTERISTICS TEST.
TEST CIRCUIT ICC (Opr.)
M54/M74HCT27
4/9


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