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參數資料
| 型號： | PCA9671DK |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Remote 16-bit I/O expander for Fm+ I2C-bus with reset |
| 中文描述： | 16 I/O, PIA-GENERAL PURPOSE, PDSO24 |
| 封裝： | 3.90 MM, 0.635 MM PITCH, PLASTIC, MO-137, SOT556-1, SSOP-24 |
| 文件頁數： | 1/34頁 |
| 文件大小： | 183K |
| 代理商： | PCA9671DK |
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1.
General description
The PCA9671 provides general purpose remote I/O expansion for most microcontroller
families via the two-line bidirectional bus (I
2
C-bus) and is a part of the Fast-mode Plus
(Fm+) family.
The PCA9671 is a drop in upgrade for the PCF8575 providing higher I
2
C-bus speeds
(1 MHz versus 400 kHz) so that the output can support PWM dimming of LEDs, higher
I
2
C-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 I
2
C-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
I
1 MHz I
2
C-bus interface
I
Compliant with the I
2
C-bus Fast-mode and Standard-mode
I
SDA with 30 mA sink capability for 4000 pF buses
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 reset input
I
64 programmable slave addresses using 3 address pins
I
Readable device ID (manufacturer, device type, and revision)
I
Low standby current
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
PCA9671
Remote 16-bit I/O expander for Fm+ I
2
C-bus with reset
Rev. 01 — 20 December 2006
Product data sheet
相關PDF資料 |
PDF描述 |
|---|---|
| PCA9673 | Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and reset |
| PCA9673DB | Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and reset |
| PCA9673DK | Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and reset |
| PCA9674AN | Remote 8-bit I/O expander for Fm+ I2C-bus with interrupt |
| PCA9674ATS | Remote 8-bit I/O expander for Fm+ I2C-bus with interrupt |
相關代理商/技術參數 |
參數描述 |
|---|---|
| PCA9671DK,118 | 功能描述:接口-I/O擴展器 16-BIT I2C FM+ QB RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| PCA9671DK-T | 功能描述:接口-I/O擴展器 16-BIT I2C FM+ QB GPIO RST PU RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| PCA9671D-T | 功能描述:接口-I/O擴展器 16-BIT I2C FM+ QB GPIO RST PU RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| PCA9671PW | 功能描述:接口-I/O擴展器 16-BIT I2C FM+ QB GPIO RST PU RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| PCA9671PW,112 | 功能描述:接口-I/O擴展器 16-BIT I2C FM+ QB RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
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