PCA9574HR 데이터 시트보기 (PDF) - NXP Semiconductors.

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PCA9574HR

8-bit I2C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt

NXP Semiconductors. 

NXP Semiconductors

PCA9574

8-bit I2C-bus and SMBus, level translating, low voltage GPIO

I Gaming machines

I Instrumentation and test measurement

4. Ordering information

Table 1. Ordering information

Type number Package

Name

Description

Version

PCA9574PW TSSOP16 plastic thin shrink small outline package; 16 leads;

body width 4.4 mm

SOT403-1

PCA9574BS HVQFN16 plastic thermal enhanced very thin quad flat package; SOT758-1

no leads; 16 terminals; body 3 × 3 × 0.85 mm

PCA9574HR

HXQFN16U plastic thermal enhanced extremely thin quad flat

package; no leads; 16 terminals; UTLP based;

body 2 × 2 × 0.5 mm

SOT1046-1

4.1 Ordering options

Table 2. Ordering options

Type number Topside mark

PCA9574PW PCA9574

PCA9574BS

P74

PCA9574HR

74

Temperature range

Tamb = −40 °C to +85 °C

Tamb = −40 °C to +85 °C

Tamb = −40 °C to +85 °C

5. Block diagram

PCA9574

A0

SCL

SDA

INPUT

FILTER

VDD

RESET

POWER-ON

RESET

I2C-BUS/SMBus

CONTROL

8-bit

write pulse

read pulse

INPUT/

OUTPUT

PORTS

VDD(IO)

P0

P1

P2

P3

P4

P5

P6

P7

VDD

VSS

LP

INT

FILTER

Remark: All I/Os are set to inputs at power-up and RESET.

Fig 1. Block diagram of PCA9574

002aad054

PCA9574_2

Product data sheet

Rev. 02 — 27 July 2009

© NXP B.V. 2009. All rights reserved.

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