74VHC273 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
74VHC273 Datasheet PDF : 14 Pages
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74VHC273
Table 7: AC Electrical Characteristics (Input tr = tf = 3ns)
Test Condition
Value
Symbol
Parameter
VCC CL
(V) (pF)
tPLH
tPHL
tPHL
tW
tW
ts
th
tREM
fMAX
tOSLH
tOSHL
Propagation Delay 3.3(*) 15
Time
CLOCK to Q
3.3(*) 50
5.0(**) 15
5.0(**) 50
Propagation Delay 3.3(*) 15
Time
CLEAR to Q
3.3(*) 50
5.0(**) 15
5.0(**) 50
CLEAR Pulse
Width LOW
3.3(*)
5.0(**)
CLOCK Pulse
Width HIGH or
LOW
3.3(*)
5.0(**)
Setup Time D to
CLOCK, HIGH or
LOW
3.3(*)
5.0(**)
Hold Time D to
CLOCK, HIGH or
LOW
3.3(*)
5.0(**)
Removal Time
3.3(*)
CLEAR to CLOCK 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.
8.7 13.6 1.0 16.0 1.0 16.0
11.2 17.1 1.0 19.5 1.0 19.5
ns
5.8 9.0 1.0 10.5 1.0 10.5
7.3 11.0 1.0 12.5 1.0 12.5
8.9 13.6 1.0 16.0 1.0 16.0
11.4 17.1 1.0 19.5 1.0 19.5
ns
5.2 8.5 1.0 10.0 1.0 10.0
6.7 10.5 1.0 12.0 1.0 12.0
5.0
6.0
6.0
ns
5.0
5.0
5.0
5.5
6.5
6.5
ns
5.0
5.0
5.0
5.5
6.5
6.5
ns
4.5
4.5
4.5
1.0
1.0
1.0
ns
1.0
1.0
1.0
2.5
2.5
2.5
ns
2.0
2.0
2.0
75 120
65
65
50 75
45
45
MHz
120 165
100
100
80 110
70
70
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 Input Capacitance
CPD 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
31
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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