74HC4015N datasheet(6/8 Pages) PHILIPS

6 / 8 page

December 1990

Philips Semiconductors

Product speciﬁcation

Dual 4-bit serial-in/parallel-out shift register

74HC/HCT4015

DC CHARACTERISTICS FOR 74HCT

For the DC characteristics see

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

Output capability: standard

ICC category: MSI

Note to HCT types

The value of additional quiescent supply current (

∆ICC) for a unit load of 1 is given in the family specifications.

To determine

∆ICC per input, multiply this value by the unit load coefficient shown in the table below.

AC CHARACTERISTICS FOR 74HCT

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

INPUT

UNIT LOAD COEFFICIENT

nMR

nCP

0.30

1.50

SYMBOL

PARAMETER

Tamb (°C)

TEST CONDITIONS

74HCT

UNIT

VCC

(V)

WAVEFORMS

+25

−40 to +85

−40

+125

min.

typ. max. min. max. min. max.

tPHL/ tPLH

propagation delay

nCP to nQn

4.5

Fig.6

tPHL

propagation delay

nMR to nQn

4.5

Fig.7

tTHL/ tTLH

output transition time

4.5

Fig.6

clock pulse width

HIGH or LOW

4.5

Fig.6

master reset pulse width

HIGH

4.5

Fig.7

trem

removal time

nMR to nCP

4.5

Fig.7

tsu

set-up time

nD to nCP

4.5

Fig.8

hold time

nD to nCP

−2

4.5

Fig.8

fmax

maximum clock pulse

frequency

MHz

4.5

Fig.6

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