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| M74HC77 Datasheet, PDF (5/10 Pages) STMicroelectronics – 4-BIT D-TYPE LATCH | |||
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M74HC77
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Test Condition
Value
Symbol
Parameter
VCC
(V)
tTLH tTHL Output Transition 2.0
Time
4.5
6.0
tPLH tPHL Propagation Delay 2.0
Time (D - Q)
4.5
6.0
tPLH tPHL Propagation Delay 2.0
Time (G-Q)
4.5
6.0
tW(H) Minimum Pulse
2.0
Width (G)
4.5
6.0
ts
Minimum Set-up
2.0
Time
4.5
6.0
th Minimum Hold
2.0
Time
4.5
6.0
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
30 75
95
110
8 15
19
22 ns
7 13
16
19
39 100
125
150
13 20
25
30 ns
11 17
21
26
39 100
125
150
13 20
25
30 ns
11 17
21
26
15 75
95
110
6 15
19
22 ns
6 13
16
19
15 50
65
75
3 10
13
15 ns
3
9
11
13
25
30
40
5
6
8 ns
4
5
7
CAPACITIVE CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
CIN Input Capacitance 5.0
5 10
10
10 pF
CPD Power Dissipation
Capacitance (note 5.0
20
pF
1)
1) CPD is defined as the value of the ICâs 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/4(per
LATCH)
5/10
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