74VHC574MTR Просмотр технического описания (PDF) - STMicroelectronics
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74VHC574MTR Datasheet PDF : 14 Pages
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74VHC574
Table 7: AC Electrical Characteristics (Input tr = tf = 3ns)
Test Condition
Value
Symbol
Parameter
VCC CL
(V) (pF)
tPLH
tPHL
tPZL
tPZH
tPLZ
tPHZ
tw
ts
th
fMAX
tOSLH
tOSHL
Propagation Delay 3.3(*) 15
Time
CH to Q
3.3(*) 50
5.0(**) 15
5.0(**) 50
Output Enable
Time
3.3(*) 15
3.3(*) 50
5.0(**) 15
5.0(**) 50
Output Disable
Time
3.3(*) 50
3.3(*) 50
Clock Pulse Width 3.3(*)
HIGH or LOW
5.0(**)
Setup Time D to CK 3.3(*)
HIGH or LOW
5.0(**)
Hold Time D to CK 3.3(*)
HIGH or LOW
5.0(**)
Maximum Clock
Frequency
3.3(*) 15
3.3(*) 50
5.0(**) 15
5.0(**) 50
Output to Output 3.3(*) 50
Skew time (note 1) 5.0(**) 50
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
8.5 13.2 1.0 15.5 1.0 15.5
11.0 16.7 1.0 19.0 1.0 19.0
ns
5.6 8.6 1.0 10.0 1.0 10.0
7.1 10.6 1.0 12.0 1.0 12.0
8.2 12.8 1.0 15.0 1.0 15.0
10.7 16.3 1.0 18.5 1.0 18.5
ns
5.9 9.0 1.0 10.5 1.0 10.5
7.4 11.0 1.0 12.5 1.0 12.5
11.0 15.0 1.0 17.0 1.0 17.0
ns
7.1 10.1 1.0 11.5 1.0 11.5
5.0
5.0
5.0
ns
5.0
5.0
5.0
3.5
3.5
3.5
ns
3.5
3.5
3.5
1.5
1.5
1.5
ns
1.5
1.5
1.5
80 125
65
65
50 75
45
45
MHz
130 180
110
110
85 115
75
75
1.5
1.5
1.5
ns
1.0
1.0
1.0
(*) 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
Test Condition
Value
Symbol
Parameter
CIN
COUT
CPD
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance
(note 1)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
7 10
10
10 pF
9
pF
28
pF
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)
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