参数资料
型号: PCA8575PW,112
厂商: NXP Semiconductors
文件页数: 1/30页
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 24TSSOP
产品培训模块: I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 63
接口: I²C
输入/输出数: 16
中断输出:
频率 - 时钟: 400kHz
电源电压: 2.3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 管件
包括: POR
产品目录页面: 824 (CN2011-ZH PDF)
其它名称: 568-4230-5
935283505112
PCA8575PW
PCA8575PW-ND
1.
General description
The PCA8575 provides general purpose remote I/O expansion for most microcontroller
families via the two-line bidirectional I2C-bus (serial clock (SCL), serial data (SDA)).
The device consists of a 16-bit quasi-bidirectional port and an I2C-bus interface. The
PCA8575 has a low current consumption and includes latched outputs with high current
drive capability for directly driving LEDs.
The PCA8575 also possesses an interrupt line (INT) which can be connected to the
interrupt logic of the microcontroller. By sending an interrupt signal on this line, the remote
I/O can inform the microcontroller if there is incoming data on its ports without having to
communicate via the I2C-bus. The internal Power-On Reset (POR) initializes the I/Os as
inputs.
2.
Features
I 400 kHz I2C-bus interface
I 2.3 V to 5.5 V operation with 5.5 V tolerant I/Os
I 16-bit remote I/O pins that default to inputs at power-up
I Latched outputs with 25 mA sink capability for directly driving LEDs
I Total package sink capability of 400 mA
I Active LOW open-drain interrupt output
I 8 programmable slave addresses using 3 address pins
I Readable device ID (manufacturer, device type, and revision)
I Low standby current (10 A max.)
I 40 °C to +85 °C operation
I ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per
JESD22-A115, and 1000 V CDM per JESD22-C101
I Latch-up testing is done to JEDEC standard JESD78 which exceeds 100 mA
I Packages offered: SO24, SSOP24 (QSOP24), TSSOP24, HVQFN24, DHVQFN24
3.
Applications
I LED signs and displays
I Servers
I Industrial control
I Medical equipment
I PLCs
I Cellular telephones
PCA8575
Remote 16-bit I/O expander for I2C-bus with interrupt
Rev. 02 — 21 March 2007
Product data sheet
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