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M74HCT373 Datasheet(PDF) 5 Page - STMicroelectronics

Part # M74HCT373
Description  OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT NON INVERTING
PDF  11 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HCT373 Datasheet(HTML) 5 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
CAPACITIVE CHARACTERISTICS
1) 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 operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/8 (per Flip
Flop) and the CPD when n pcs of Flip Flop operate, can be gained by the following equation: CPD(TOTAL) = 32 + 34 x n (pF)
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
CL
(pF)
TA = 25°C
-40 to 85°C
-55 to 125°C
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
150
24
37
46
56
tPLH tPHL Propagation Delay
Time
(D - Q)
4.5
50
19
30
38
45
ns
150
23
36
45
54
tPZL tPZH High Impedance
Output Enable
Time
4.5
50
RL = 1 KΩ
20
30
38
45
ns
150
24
37
46
56
tPLZ tPHZ High Impedance
Output Disable
Time
4.5
50
RL = 1 KΩ
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
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
CIN
Input Capacitance
5
101010
pF
CPD
Power Dissipation
Capacitance (note
1)
66
pF



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