74HC377 datasheet(5/7 Pages) PHILIPS

Part #	74HC377

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

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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5 / 7 page

December 1990

5

Philips Semiconductors

Product speciﬁcation

Octal D-type ﬂip-ﬂop with data enable;

positive-edge trigger

74HC/HCT377

DC CHARACTERISTICS FOR 74HC

For the DC characteristics see

“74HC/HCT/HCU/HCMOS Logic Family Specifications”.

Output capability: standard

ICC category: MSI

AC CHARACTERISTICS FOR 74HC

GND = 0 V; tr =tf = 6 ns; CL =50pF

SYMBOL

PARAMETER

Tamb (°C)

UNIT

TEST CONDITIONS

74HC

VCC

(V)

WAVEFORMS

+25

−40 to +85 −40 to +125

min.

typ.

max. min. max. min.

max.

tPHL/ tPLH

propagation delay

CP to Qn

44

16

13

160

32

27

200

40

34

240

48

41

ns

2.0

4.5

6.0

Fig.6

tTHL/ tTLH

output transition time

19

7

6

75

15

13

95

19

16

110

22

19

ns

2.0

4.5

6.0

Fig.6

tW

clock pulse width

HIGH or LOW

80

16

14

5

4

100

20

17

120

24

20

ns

2.0

4.5

6.0

Fig.6

tsu

set-up time

Dn to CP

60

12

10

14

5

4

75

15

13

90

18

15

ns

2.0

4.5

6.0

Fig.7

tsu

set-up time

E to CP

60

12

10

6

2

75

15

13

90

18

15

ns

2.0

4.5

6.0

Fig.7

th

hold time

Dn to CP

3

−8

−3

−2

3

ns

2.0

4.5

6.0

Fig.7

th

hold time

E to CP

4

−3

−1

4

ns

2.0

4.5

6.0

Fig.7

fmax

maximum clock pulse

frequency

6

30

35

23

70

83

5

24

28

4

20

24

MHz

2.0

4.5

6.0

Fig.6

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