Nexperia

74HC594; 74HCT594

8-bit shift register with output register

4. Ordering information

Table 1. Ordering information

Package

Type number

Temperature range Name

Description

Version

74HC594D

74HCT594D

-40 °C to +125 °C

SO16

plastic small outline package; 16 leads;

body width 3.9 mm

SOT109-1

74HC594DB

74HCT594DB

-40 °C to +125 °C

SSOP16

plastic shrink small outline package; 16 leads;

body width 5.3 mm

SOT338-1

74HC594PW

74HCT594PW

-40 °C to +125 °C

TSSOP16

plastic thin shrink small outline package; 16 leads;

body width 4.4 mm

SOT403-1

74HC594BQ

-40 °C to +125 °C

DHVQFN16 plastic dual in-line compatible thermal enhanced

very thin quad flat package; no leads; 16 terminals;

body 2.5 × 3.5 × 0.85 mm

SOT763-1

5. Functional diagram

mbc320

Q7

Q0 Q1 Q2 Q3 Q4 Q5 Q6

DS

SHCP

SHR

STCP

STR

14

10

13

11

12

15

9

1 2 3 4 5 6 7

8-STAGE SHIFT REGISTER

8-BIT STORAGE REGISTER

Q7S

Fig. 1. Functional diagram

mbc319

STCP

SHCP

STR

SHR

DS

Q7S

Q0

Q1

Q2

Q3

Q4

Q5

Q6

Q7

14

10

13

11

12

15

9

1

2

3

4

5

6

7

Fig. 2. Logic symbol

mbc322

SHCP

STCP

Q0

Q1

Q2

Q3

Q4

Q5

Q6

Q7

SHR

STR

DS

15

9

1

2

3

4

5

6

7

1D

2D

C1/

10

11

14

C2

12

13

R2

SRG8

R1

Q7S

Fig. 3. IEC logic symbol

74HC_HCT594

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© Nexperia B.V. 2022. All rights reserved

Product data sheet

Rev. 7 — 20 October 2022

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