74VHCT273A_04 datasheet(4/13 Pages) STMICROELECTRONICS

Teilenummer	74VHCT273A

Bauteilbeschribung	OCTAL D-TYPE FLIP FLOP WITH CLEAR

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74VHCT273A

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Table 7: DC Specifications

Table 8: AC Electrical Characteristics (Input tr = tf = 3ns)

(*) Voltage range is 5.0V

± 0.5V

Note 1: Parameter guaranteed by design. tsoLH = |tpLHm - tpLHn|, tsoHL = |tpHLm - tpHLn|

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.

VIH

High Level Input

Voltage

4.5 to

5.5

22

2

V

VIL

Low Level Input

Voltage

4.5 to

5.5

0.8

V

VOH

High Level Output

Voltage

4.5

IO=-50 µA

4.4

4.5

4.4

V

4.5

IO=-8 mA

3.94

3.8

3.7

VOL

Low Level Output

Voltage

4.5

IO=50 µA

0.0

0.1

V

4.5

IO=8 mA

0.36

0.44

0.55

II

Input Leakage

Current

0 to

5.5

VI = 5.5V or GND

± 0.1

± 1.0

µA

ICC

Quiescent Supply

Current

5.5

VI = VCC or GND

440

40

µA

+ICC

Additional Worst

Case Supply

Current

5.5

One Input at 3.4V,

other input at VCC

or GND

1.35

1.5

mA

IOPD

Output Leakage

Current

0

VOUT = 5.5V

0.5

5.0

µA

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

5.0(**)

15

5.8

8.2

1.0

10.0

1.0

10.0

ns

5.0(**)

50

6.8

9.2

1.0

11.0

1.0

11.0

tPHL

Propagation Delay

Time CLEAR to Q

5.0(**)

15

7.5

10.0

1.0

11.6

1.0

11.6

ns

5.0(**)

50

8.5

11.0

1.0

12.6

1.0

12.6

tW

CLR Pulse Width

LOW

5.0(**)

5.0

ns

tW

CK Pulse Width

HIGH or LOW

5.0(**)

5.0

ns

ts

Setup Time D to

CLOCK, HIGH or

LOW

5.0(**)

2.0

ns

th

Hold Time D to CK,

HIGH or LOW

5.0(**)

2.0

ns

tREM

Removal Time CLR

to CLOCK

5.0(**)

1.0

ns

fMAX

Maximum Clock

Frequency

5.0(**)

15

75

170

65

MHz

5.0(**)

50

160

45

tOSLH

tOSHL

Output to Output

Skew time (note 1)

5.0(**)

50

1.0

ns

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