74HC_HCT573

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© NXP B.V. 2012. All rights reserved.

Product data sheet

Rev. 5 — 15 August 2012

2 of 21

NXP Semiconductors

74HC573; 74HCT573

Octal D-type transparent latch; 3-state

3.

Ordering information

4.

Functional diagram

Table 1.

Ordering information

Type number

Package

Temperature range

Name

Description

Version

74HC573N

40 C to +125 C

DIP20

plastic dual in-line package; 20 leads (300 mil)

SOT146-1

74HCT534N

74HC573D

40 C to +125 C

SO20

plastic small outline package; 20 leads;

body width 7.5 mm

SOT163-1

74HCT573D

74HC573DB

40 C to +125 C

SSOP20

plastic shrink small outline package; 20 leads;

body width 5.3 mm

SOT339-1

74HCT573DB

74HC573PW

40 C to +125 C

TSSOP20

plastic thin shrink small outline package; 20 leads;

body width 4.4 mm

SOT360-1

74HCT573PW

74HC573BQ

40 C to +125 C

DHVQFN20

plastic dual in-line compatible thermal enhanced very

thin quad flat package; no leads; 20 terminals;

body 2.5

 4.5  0.85 mm

SOT764-1

74HCT573BQ

Fig 1.

Functional diagram

mna809

3-STATE

OUTPUTS

LATCH

1 to 8

Q0

Q1

Q2

Q3

Q4

Q5

Q6

Q7 12

13

14

15

16

17

18

19

D0

D1

D2

D3

D4

D5

D6

D7

LE

OE

9

11

1

8

7

6

5

4

3

2