Datasheet > PCA8574N,112

PCA8574N,112

更新时间： 2023-02-26 15:35:12

品牌	Logo	应用领域
恩智浦 - NXP		PC
页数	文件大小	规格书
27页	160K
描述
PCA8574/74A - Remote 8-bit I/O expander for I²C-bus with interrupt DIP 16-Pin

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PCA8574N,112 数据手册

PCA8574/74A

NXP Semiconductors

Remote 8-bit I/O expander for I²C-bus with interrupt

INT

SCL

n.c.

AD0

AD1

AD2

SDA

SCL

INT

PCA8574TS

PCA8574ATS

AD0

AD1

n.c.

AD2

PCA8574PW

PCA8574APW

n.c.

002aac680

002aac941

Fig 5. Pin conﬁguration for TSSOP16

Fig 6. Pin conﬁguration for SSOP20

6.2 Pin description

Table 2.

Symbol

AD0

AD1

AD2

Pin description for DIP16, SO16, TSSOP16

Description

address input 0

address input 1

address input 2

quasi-bidirectional I/O 0

quasi-bidirectional I/O 1

quasi-bidirectional I/O 2

quasi-bidirectional I/O 3

supply ground

V_SS

quasi-bidirectional I/O 4

quasi-bidirectional I/O 5

quasi-bidirectional I/O 6

quasi-bidirectional I/O 7

interrupt output (active LOW)

serial clock line

INT

SCL

SDA

V_DD

serial data line

supply voltage

PCA8574_PCA8574A_2

Product data sheet

Rev. 02 — 14 May 2007

4 of 27

1 2 345 6 7...27

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