M74HC126B1R Ver la hoja de datos (PDF) - STMicroelectronics
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Fabricante
M74HC126B1R Datasheet PDF : 11 Pages
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M54/M74HC125/126
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 6 ns)
Symbol
Parameter
Test Conditions
VCC CL
(V) (pF)
TA = 25 oC
54HC and 74HC
Value
-40 to 85 oC -55 to 125 oC Unit
74HC
54HC
Min. Typ. Max. Min. Max. Min. Max.
tTLH Output Transition 2.0
tTHL Time
4.5 50
20 60
75
90
6
12
15
18
ns
6.0
5
10
13
15
tPLH Propagation
tPHL Delay Time
2.0
4.5 50
36 75
9
15
95
110
19
22
ns
6.0
8
13
16
19
2.0
4.5 150
52 105
130
160
13 21
26
32
ns
6.0
11 18
22
27
tPZL 3 State Output
tPZH Enable Time
2.0
4.5 50 RL = 1 KΩ
36 75
9
15
95
110
19
22
ns
6.0
8
13
16
19
2.0
52 105
130
160
4.5 150 RL = 1 KΩ
13 21
26
32
ns
6.0
11 18
22
27
tPLZ 3 State Output
tPHZ Disable Time
2.0
4.5 50 RL = 1 KΩ
48 80
12 16
100
120
20
24
ns
6.0
10 14
17
20
CIN
CPD (*)
Input Capacitance
Power Dissipation
Capacitance
5
10
10
10 pF
35
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
SWITCHING CHARACTERISTICS TEST WAVEFORM
HC125
A
G
G
Y
Y
Y
HC126
A
Y
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