Nexperia

74HC273; 74HCT273

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

25 °C

-40 °C to +85 °C -40 °C to +125 °C

Symbol Parameter

Conditions

Min Typ Max

Min

Max

Min

Max

Unit

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

VI = VIH or VIL; VCC = 4.5 V

IO = -20 μA

4.4

4.5

-

4.4

-

4.4

-

V

VOH

HIGH-level

output voltage

IO = -4.0 mA

3.98 4.32

-

3.84

-

3.7

-

V

VI = VIH or VIL; VCC = 4.5 V

IO = 20 μA; VCC = 4.5 V

-

0

0.1

-

0.1

-

0.1

V

VOL

LOW-level

output voltage

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

μA

ICC

supply current VI = VCC or GND; IO = 0 A;

VCC = 5.5 V

-

-

8.0

-

80

-

160

μA

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

μA

CP input

-

175

630

-

787.5

-

857.5 μA

ΔICC

additional

supply current

Dn input

-

15

54

-

67.5

-

73.5

μA

CI

input

capacitance

-

3.5

-

-

-

-

-

pF

10. Dynamic characteristics

Table 7. Dynamic characteristics

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

25 °C

-40 °C to +85 °C -40 °C to +125 °C

Symbol Parameter

Conditions

Min Typ Max

Min

Max

Min

Max

Unit

74HC273

CP to Qn; see Fig. 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 = 15 pF

-

15

-

-

-

-

-

ns

tpd

propagation

delay

VCC = 6.0 V

-

13

26

-

31

-

38

ns

MR to Qn; see Fig. 8

VCC = 2.0 V

-

44

150

-

185

-

225

ns

VCC = 4.5 V

-

16

30

-

37

-

45

ns

VCC = 5.0 V; CL = 15 pF

-

15

-

-

-

-

-

ns

tPHL

HIGH to LOW

propagation

delay

VCC = 6.0 V

-

14

26

-

31

-

38

ns

74HC_HCT273

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© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 7 — 6 September 2021

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