74HC273DB datasheet(7/21 Pages) NXP

No de pièce	74HC273DB

Description	Octal D-type flip-flop with reset; positive-edge trigger

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74HC_HCT273

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Product data sheet

Rev. 4 — 10 June 2013

7 of 21

NXP Semiconductors

74HC273; 74HCT273

Octal D-type flip-flop with reset; positive-edge trigger

10. Dynamic characteristics

CI

input

capacitance

-3.5

-

pF

74HCT273

VIH

HIGH-level

input voltage

VCC = 4.5 V to 5.5 V

2.0

1.6

-

2.0

-

2.0

-

V

VIL

LOW-level

input voltage

VCC = 4.5 V to 5.5 V

-

1.2

0.8

-

0.8

-

0.8

V

VOH

HIGH-level

output voltage

VI = VIH or VIL; VCC = 4.5 V

IO = 20 A

4.4

4.5

-

4.4

-

4.4

-

V

IO = 4.0 mA

3.98

4.32

-

3.84

-

3.7

-

V

VOL

LOW-level

output voltage

VI = VIH or VIL; VCC = 4.5 V

IO = 20 A; VCC = 4.5 V

-

0

0.1

-

0.1

-

0.1

V

IO = 5.2 mA; VCC = 5.5 V

-

0.15

0.26

-

0.33

-

0.4

V

II

input leakage

current

VI = VCC or GND;

VCC =5.5 V

--

0.1

-

1-

1

A

ICC

supply current

VI = VCC or GND; IO =0A;

VCC =5.5 V

-

8.0

-

80

-

160

A

I

CC

additional

supply current

per input pin;

VI =VCC  2.1 V;

other inputs at VCC or GND;

VCC = 4.5 V to 5.5 V

MR input

-

100

360

-

450

-

490

A

CP input

-

175

630

-

787.5

-

857.5

A

Dn input

-

15

54

-

67.5

-

73.5

A

CI

input

capacitance

-3.5

-

pF

Table 6.

Static characteristics …continued

At recommended operating conditions; voltages are referenced to GND (ground = 0 V).

Symbol Parameter

Conditions

25

C

40 C to +85 C 40 C to +125 C Unit

Min

Typ

Max

Min

Max

Min

Max

Table 7.

Dynamic characteristics

GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit, see Figure 10

Symbol Parameter

Conditions

25

C

40 C to +85 C 40 C to +125 C Unit

Min

Typ

Max

Min

Max

Min

Max

74HC273

tpd

propagation

delay

CP to Qn; see Figure 7

[1]

VCC = 2.0 V

-

41

150

-

185

-

225

ns

VCC = 4.5 V

-

15

30

-

37

-

45

ns

VCC = 5.0 V; CL =15pF

-

15

-

ns

VCC = 6.0 V

-

13

26

-

31

-

38

ns

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