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M74HCT273 датащи(PDF) 4 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) 4 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
CAPACITIVE CHARACTERISTICS
1) 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 operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x 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
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
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
tPHL
Propagation Delay
Time
(CLEAR - Q)
4.5
22
32
40
48
ns
fMAX
Maximum Clock
Frequency
4.5
30
80
24
20
MHz
tW(H)
tW(L)
Minimum Pulse
(CLOCK)
4.5
7
151922
ns
tW(L)
Minimum Pulse
(CLEAR)
4.5
7
151922
ns
ts
Minimum Set-Up
Time
4.5
4
151922
ns
th
Minimum Hold
Time
4.5
0
0
0
ns
tREM
Minimum Removal
Time (CLEAR)
4.5
4
101315
ns
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
CIN
Input Capacitance
5.0
5
101010
pF
CPD
Power Dissipation
Capacitance (note
1)
5.0
29
pF



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