74AHC595BQ datasheet(4/21 Pages) NXP

部件名	74AHC595BQ

功能描述	NPN general-purpose double transistors output latches; 3-state

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制造商	NXP [NXP Semiconductors]

网页	http://www.nxp.com

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4 / 21 page

74AHC_AHCT595_4

Product data sheet

Rev. 04 — 11 August 2009

4 of 21

NXP Semiconductors

74AHC595; 74AHCT595

8-bit serial-in/serial-out or parallel-out shift register with output latches

6.

Pinning information

6.1 Pinning

6.2 Pin description

Fig 5.

Pin conﬁguration SO16 and TSSOP16

Fig 6.

Pin conﬁguration DHVQFN16

74AHC595

74AHCT595

Q1

VCC

Q2

Q0

Q3

DS

Q4

OE

Q5

STCP

Q6

SHCP

Q7

MR

GND

Q7S

001aae538

1

2

3

4

5

6

7

8

10

9

12

11

14

13

16

15

001aae483

74AHC595

74AHCT595

Q7

MR

Q6

SHCP

Q5

STCP

Q4

OE

Q3

DS

Q2

Q0

Transparent top view

7

10

6

11

5

12

4

13

3

14

2

15

terminal 1

index area

Table 2.

Pin description

Symbol

Description

Q1

1

parallel data output 1

Q2

2

parallel data output 2

Q3

3

parallel data output 3

Q4

4

parallel data output 4

Q5

5

parallel data output 5

Q6

6

parallel data output 6

Q7

7

parallel data output 7

GND

8

ground (0 V)

Q7S

9

serial data output

MR

10

master reset (active LOW)

SHCP

11

shift register clock input

STCP

12

storage register clock input

OE

13

output enable input (active LOW)

DS

14

serial data input

Q0

15

parallel data output 0

VCC

16

supply voltage

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类似说明 - 74AHC595BQ

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