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M54HC373 Datasheet(PDF) 6 Page - STMicroelectronics

Part No. M54HC373
Description  OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT HC373 NON INVERTING - HC533 INVERTING
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M54HC373 Datasheet(HTML) 6 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)
CL
(pF)
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
2.0
50
25
60
75
90
ns
4.5
7
121518
6.0
6
101315
tPLH
tPHL
Propagation
Delay Time
(LE, D - Q, Q)
2.0
50
42
125
155
190
ns
4.5
14
25
31
38
6.0
12
21
26
32
2.0
150
57
175
220
265
ns
4.5
19
35
44
53
6.0
16
30
37
45
tPZL
tPZH
3 State Output
Enable Time
2.0
50
RL =1 K
39
125
155
190
ns
4.5
13
25
31
38
6.0
11
21
26
32
2.0
150
RL =1 K
54
175
220
265
ns
4.5
18
35
44
53
6.0
15
30
37
45
tPLZ
tPHZ
3 State Output
Disable Time
2.0
50
RL =1 K
30
125
155
190
ns
4.5
14
25
31
38
6.0
13
21
26
32
tW(H)
Minimum Pulse
Width (LE)
2.0
50
15
75
95
110
ns
4.5
6
151922
6.0
6
131619
ts
Minimum Set-up
Time
2.0
50
16
50
65
75
ns
4.5
4
101315
6.0
3
9
11
13
th
Minimum Hold
Time
2.0
50
555
ns
4.5
5
5
5
6.0
5
5
5
CIN
Input Capacitance
5
10
10
10
pF
COUT
Out put
Capacitance
10
pF
CPD (*)
Power Dissipation
Capacitance
38
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
CPD when n pcs of Flip Flop operate, can be gained by following equation: CPD (TOTAL) = 22 + 16 x n [pF]
M54/M74HC373/533
6/13


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