74HCT595 datasheet(3/28 Pages) PHILIPS

3 / 28 page

2003 Jun 25

Philips Semiconductors

Product speciﬁcation

8-bit serial-in, serial or parallel-out shift

74HC595; 74HCT595

FUNCTION TABLE

See note 1.

Note

1. H = HIGH voltage level;

L = LOW voltage level;

↑ = LOW-to-HIGH transition;

↓ = HIGH-to-LOW transition;

Z = high-impedance OFF-state;

n.c. = no change;

X = don’t care.

ORDERING INFORMATION

INPUT

OUTPUT

FUNCTION

SH_CP ST_CP

Q7’

n.c.

a LOW level on MR only affects the shift registers

↑

empty shift register loaded into storage register

shift register clear; parallel outputs in high-impedance

OFF-state

↑

Q6’

n.c.

logic high level shifted into shift register stage 0;

contents of all shift register stages shifted through, e.g.

previous state of stage 6 (internal Q6’) appears on the

serial output (Q7’)

↑

n.c.

Qn’

contents of shift register stages (internal Qn’) are

transferred to the storage register and parallel output

stages

↑↑

Q6’

Qn’

contents of shift register shifted through; previous

contents of the shift register is transferred to the

storage register and the parallel output stages

TYPE NUMBER

PACKAGE

TEMPERATURE

RANGE

PINS

PACKAGE

MATERIAL

CODE

74HC595N

−40 to +125 °C

DIP16

plastic

SOT38-4

74HCT595N

−40 to +125 °C

DIP16

plastic

SOT38-4

74HC595D

−40 to +125 °C

SO16

plastic

SOT109-1

74HCT595D

−40 to +125 °C

SO16

plastic

SOT109-1

74HC595DB

−40 to +125 °C

SSOP16

plastic

SOT338-1

74HCT595DB

−40 to +125 °C

SSOP16

plastic

SOT338-1

74HC595PW

−40 to +125 °C

TSSOP16

plastic

SOT403-1

74HCT595PW

−40 to +125 °C

TSSOP16

plastic

SOT403-1

74HC595BQ

−40 to +125 °C

DHVQFN16

plastic

SOT763-1

74HCT595BQ

−40 to +125 °C

DHVQFN16

plastic

SOT763-1

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