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74VHC273MTR Fiches technique(PDF) 5 Page - STMicroelectronics

No de pièce 74VHC273MTR
Description  OCTAL D-TYPE FLIP FLOP WITH CLEAR
PDF  14 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74VHC273MTR Fiches technique(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
Flip-Flop)
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
CLOCK to Q
3.3(*)
15
8.7
13.6
1.0
16.0
1.0
16.0
ns
3.3(*)
50
11.2
17.1
1.0
19.5
1.0
19.5
5.0(**)
15
5.8
9.0
1.0
10.5
1.0
10.5
5.0(**)
50
7.3
11.0
1.0
12.5
1.0
12.5
tPHL
Propagation Delay
Time
CLEAR to Q
3.3(*)
15
8.9
13.6
1.0
16.0
1.0
16.0
ns
3.3(*)
50
11.4
17.1
1.0
19.5
1.0
19.5
5.0(**)
15
5.2
8.5
1.0
10.0
1.0
10.0
5.0(**)
50
6.7
10.5
1.0
12.0
1.0
12.0
tW
CLEAR Pulse
Width LOW
3.3(*)
5.0
6.0
6.0
ns
5.0(**)
5.0
5.0
5.0
tW
CLOCK Pulse
Width HIGH or
LOW
3.3(*)
5.5
6.5
6.5
ns
5.0(**)
5.0
5.0
5.0
ts
Setup Time D to
CLOCK, HIGH or
LOW
3.3(*)
5.5
6.5
6.5
ns
5.0(**)
4.5
4.5
4.5
th
Hold Time D to
CLOCK, HIGH or
LOW
3.3(*)
1.0
1.0
1.0
ns
5.0(**)
1.0
1.0
1.0
tREM
Removal Time
CLEAR to CLOCK
3.3(*)
2.5
2.5
2.5
ns
5.0(**)
2.0
2.0
2.0
fMAX
Maximum Clock
Frequency
3.3(*)
15
75
120
65
65
MHz
3.3(*)
50
50
75
45
45
5.0(**)
15
120
165
100
100
5.0(**)
50
80
110
70
70
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
CPD
Power Dissipation
Capacitance
(note 1)
31
pF



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