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M74HCT273 датащи(PDF) 5 Page - STMicroelectronics

номер детали M74HCT273
подробное описание детали  OCTAL D TYPE FLIP FLOP WITH CLEAR
PDF  10 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HCT273 датащи(HTML) 5 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
9
151922
ns
tPLH
tPHL
Propagation
Delay Time
(CLOCK - Q)
4.5
19
30
38
45
ns
tPLH
tPHL
Propagation
Delay Time
(CLEAR - Q)
4.5
22
32
40
48
ns
fMAX
Maximum Clock
Frequency
4.5
30
71
24
MHz
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
29
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/8 (per Flip FLop), and the
total CPD when n pcs of Flip Flop operate can be gained by the following equations: CPD (total) = 32 + 11 x n
SWITCHING CHARACTERISTICS TEST WAVEFORM
TEST CIRCUIT ICC (Opr.)
M54/M74HCT273
5/10



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