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M54HCT373 Datasheet(PDF) 6 Page - STMicroelectronics

Part No. M54HCT373
Description  OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT HCT373 NON INVERTING - HCT533 INVERTING
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M54HCT373 Datasheet(HTML) 6 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (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
4.5
50
7
12
15
18
ns
tPLH
tPHL
Propagation
Delay Time
(LE - Q)
4.5
50
20
30
38
45
ns
4.5
150
24
37
46
56
ns
tPLH
tPHL
Propagation
Delay Time
(D - Q)
4.5
50
19
30
38
45
ns
4.5
150
23
36
45
54
ns
tPZL
tPZH
3 State Output
Enable Time
(OE - Q)
4.5
50
RL =1 K
20
30
38
45
ns
4.5
150
RL =1 K
24
37
46
56
ns
tPLZ
tPHZ
3 State Output
Disable Time
(OE - Q)
4.5
50
RL =1 K
20
30
38
45
ns
tW(H)
Minimum Pulse
Width (LE)
4.5
50
8
15
19
22
ns
ts
Minimum Set-up
Time
4.5
50
4
10
13
15
ns
th
Minimum Hold
Time
4.5
50
5
5
8
ns
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
HCT373
HCT533
66
52
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) = 32 + 34 x n [pF] (for HCT373); 30 + 22 x n [pF] (for HCT533)
M54/M74HCT373/533
6/13


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