参数资料
型号: PCA9671D,112
厂商: NXP Semiconductors
文件页数: 1/33页
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 24SOIC
标准包装: 1,200
接口: I²C
输入/输出数: 16
中断输出:
频率 - 时钟: 1MHz
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-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SO
包装: 管件
包括: POR
其它名称: 935283551112
PCA9671D
PCA9671D-ND
1.
General description
The PCA9671 provides general purpose remote I/O expansion for most microcontroller
families via the two-line bidirectional bus (I2C-bus) and is a part of the Fast-mode Plus
(Fm+) family.
The PCA9671 is a drop in upgrade for the PCF8575 providing higher I2C-bus speeds
(1 MHz versus 400 kHz) so that the output can support PWM dimming of LEDs, higher
I2C-bus drive (30 mA versus 3 mA) so that many more devices can be on the bus without
the need for bus buffers, higher total package sink capacity (400 mA versus 100 mA) that
supports having all 25 mA LEDs on at the same time and more device addresses
(64 versus 8) to allow many more devices on the bus without address conflicts.
The difference between the PCA9671 and the PCF8575 is that the interrupt output on the
PCF8575 is replaced by a RESET input on the PCA9671.
The device consists of a 16-bit quasi-bidirectional port and an I2C-bus interface. The
PCA9671 has a low current consumption and includes latched outputs with 25 mA high
current drive capability for directly driving LEDs. The internal Power-On Reset (POR),
hardware reset pin (RESET) or software reset sequence initializes the I/Os as inputs.
2.
Features and benefits
1MHz I2C-bus interface
Compliant with the I2C-bus Fast-mode and Standard-mode
SDA with 30 mA sink capability for 4000 pF buses
2.3 V to 5.5 V operation with 5.5 V tolerant I/Os
16-bit remote I/O pins that default to inputs at power-up
Latched outputs with 25 mA sink capability for directly driving LEDs
Total package sink capability of 400 mA
Active LOW reset input
64 programmable slave addresses using 3 address pins
Readable device ID (manufacturer, device type, and revision)
Low standby current
40 C to +85 C operation
ESD protection exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per
JESD22-C101
Latch-up testing is done to JEDEC standard JESD78 which exceeds 100 mA
Packages offered: SO24, TSSOP24, HVQFN24, DHVQFN24
PCA9671
Remote 16-bit I/O expander for Fm+ I2C-bus with reset
Rev. 3 — 29 September 2011
Product data sheet
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PCA9671DB,112 功能描述:接口-I/O扩展器 16-BIT I2C FM+ QB RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel
PCA9671DB,118 功能描述:接口-I/O扩展器 16-BIT I2C FM+ QB RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel
PCA9671DB-T 功能描述:接口-I/O扩展器 16-BIT I2C FM+ QB GPIO RST PU RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel
PCA9671DK,118 功能描述:接口-I/O扩展器 16-BIT I2C FM+ QB RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel