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74AHC377

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

Philips Electronics 

Philips Semiconductors

Octal D-type flip-flop with data enable;

positive-edge trigger

Product specification

74AHC377; 74AHCT377

Type 74AHCT377

GND = 0 V; tr = tf ≤ 3.0 ns.

SYMBOL PARAMETER

TEST CONDITIONS

WAVEFORMS CL

Tamb (°C)

25

−40 to +85 −40 to +125 UNIT

MIN. TYP. MAX. MIN. MAX. MIN. MAX.

VCC = 4.5 to 5.5 V; typical values at VCC = 5.0 V

tPHL/tPLH

fmax

propagation delay see Figs 6 and 8 15 pF −

CP to Qn

maximum clock see Figs 6 and 8

90

pulse frequency

4.0 9.0

140 −

1.0 10.5 1.0 11.5 ns

80 −

80 −

MHz

tPHL/tPLH propagation delay see Figs 6 and 8 50 pF −

5.7

CP to Qn

tW

clock pulse width see Figs 6 and 8

HIGH or LOW

5.0 −

10.5 1.0 12.0 1.0 13.5 ns

−

5.0 −

5.0 −

ns

tsu

set-up time

see Figs 7 and 8

Dn to CP

set-up time

E to CP

4.5 −

−

4.5 −

4.5 −

ns

4.5 −

−

4.5 −

4.5 −

ns

th

hold time

Dn to CP

hold time

E to CP

2.0 −

−

2.0 −

2.0 −

ns

2.0 −

−

2.0 −

2.0 −

ns

fmax

maximum clock see Figs 6 and 8

pulse frequency

85 130 −

75 −

75 −

MHz

2000 Aug 15

10

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