M74HC237C1R データシートの表示（PDF） - STMicroelectronics
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M74HC237C1R Datasheet PDF : 11 Pages
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M54/M74HC237
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
Test Conditions
VCC
(V)
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
30 75
8
15
95
115
19
22
ns
6.0
7
13
16
19
tPLH Propagation
2.0
tPHL Delay Time
4.5
(A, B, C - Y)
6.0
60 180
225
270
19 36
45
54
ns
16 31
38
46
tPLH Propagation
2.0
tPHL Delay Time
4.5
(G1 - Y)
6.0
45 140
175
210
15 28
35
42
ns
13 24
30
36
tPLH Propagation
2.0
tPHL Delay Time
4.5
(G2 - Y)
6.0
45 140
175
210
15 28
35
42
ns
13 24
30
36
tPLH Propagation
2.0
tPHL Delay Time
4.5
(GL - Y)
6.0
65 190
240
285
21 38
48
57
ns
18 32
41
48
tW(L) Minimum Pulse 2.0
Width
4.5
(GL)
6.0
10 75
6
15
6
13
95
110
19
22
ns
16
19
ts
Minimum Set-up 2.0
Time
4.5
(A, B, C - GL)
6.0
12 50
65
75
3
10
13
15
ns
2
9
11
13
th
Minimum Hold
2.0
Time
4.5
(A, B, C - GL)
6.0
25
30
40
5
6
8
ns
5
5
7
CIN Input Capacitance
5
10
10
10 pF
CPD (*) Power Dissipation
52
Capacitance
pF
(*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
SWITCHING CHARACTERISTICS TEST WAVEFORM
5/11
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