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74VHC373 Datasheet(PDF) 5 Page - STMicroelectronics

Part # 74VHC373
Description  OCTAL D-TYPE LATCH WITH 3 STATE OUTPUTS NON INVERTING
PDF  14 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74VHC373 Datasheet(HTML) 5 Page - STMicroelectronics

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Table 7: AC Electrical Characteristics (Input tr = tf = 3ns)
(*) Voltage range is 3.3V
± 0.3V
(**) Voltage range is 5.0V
± 0.5V
Note 1 : Parameter guaranteed by design. tsoLH = |tpLHm - tpLHn|, tsoHL = |tpHLm - tpHLn|
Table 8: 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 Latch)
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.
tPLH
tPHL
Propagation Delay
Time
LE to Q
3.3(*)
15
7.0
11.0
1.0
13.0
1.0
13.0
ns
3.3(*)
50
9.5
14.5
1.0
16.5
1.0
16.5
5.0(**)
15
4.9
7.2
1.0
8.5
1.0
8.5
5.0(**)
50
6.4
9.2
1.0
10.5
1.0
10.5
tPLH
tPHL
Propagation Delay
Time
D to Q
3.3(*)
15
7.3
11.4
1.0
13.5
1.0
13.5
ns
3.3(*)
50
9.8
14.9
1.0
17.0
1.0
17.0
5.0(**)
15
5.0
7.2
1.0
8.5
1.0
8.5
5.0(**)
50
6.5
9.2
1.0
10.5
1.0
10.5
tPZL
tPZH
Output Enable
Time
3.3(*)
15
RL = 1KΩ
7.3
11.4
1.0
13.5
1.0
13.5
ns
3.3(*)
50
RL = 1KΩ
9.8
14.9
1.0
17.0
1.0
17.0
5.0(**)
15
RL = 1KΩ
5.5
8.1
1.0
9.5
1.0
9.5
ns
5.0(**)
50
RL = 1KΩ
7.0
10.1
1.0
11.5
1.0
11.5
tPLZ
tPHZ
Output Disable
Time
3.3(*)
50
RL = 1KΩ
9.5
13.2
1.0
15.0
1.0
15.0
ns
5.0(**)
50
RL = 1KΩ
6.5
9.2
1.0
10.5
1.0
10.5
tw
Pulse Width (LE)
HIGH
3.3(*)
5.0
5.0
5.0
ns
5.0(**)
5.0
5.0
5.0
ts
Setup Time D to LE
HIGH or LOW
3.3(*)
4.0
4.0
4.0
ns
5.0(**)
4.0
4.0
4.0
th
Setup Time D to LE
HIGH or LOW
3.3(*)
1.0
1.0
1.0
ns
5.0(**)
1.0
1.0
1.0
tOSLH
tOSHL
Output to Output
Skew time (note 1)
3.3(*)
50
1.5
1.5
1.5
ns
5.0(**)
50
1.0
1.0
1.0
Symbol
Parameter
Test Condition
Value
Unit
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
CIN
Input Capacitance
710
10
10
pF
COUT
Output
Capacitance
9pF
CPD
Power Dissipation
Capacitance
(note 1)
15
pF



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