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参数资料
| 型号： | PCA9537 |
| 厂商： | NXP Semiconductors N.V. |
| 英文描述： | 4-bit I2C and SMBus low power I/O port with interrupt and reset |
| 中文描述： | 4位I2C和SMBus低功率的I / O端口中断和复位 |
| 文件页数： | 2/17页 |
| 文件大小： | 163K |
| 代理商： | PCA9537 |
Philips Semiconductors
Product data sheet
PCA9537
4-bit I
2
C and SMBus low power I/O port
with interrupt and reset
2
2004 Nov 29
FEATURES
4-bit I
2
C GPIO with interrupt and reset
Operating power supply voltage range of 2.3 to 5.5 V
5 V tolerant I/Os
Polarity inversion register
Active LOW interrupt output
Active LOW reset input
Low stand-by current
Noise filter on SCL/SDA inputs
No glitch on power-up
Internal power-on reset
4 I/O pins which default to 4 inputs
0 kHz to 400 kHz clock frequency
ESD protection exceeds 2000 V HBM per JESD22-A114,
200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101
Latch-up testing is done to JEDEC Standard JESD78 which
exceeds 100 mA
Offered in TSSOP10 package
DESCRIPTION
The PCA9537 is a 10-pin CMOS device that provide 4 bits of
General Purpose parallel Input/Output (GPIO) expansion with
interrupt and reset for I
2
C/SMBus applications and was developed
to enhance the Philips family of I C I/O expanders. I/O expanders
provides a simple solution when additional I/O is needed for ACPI
power switches, sensors, pushbuttons, LEDs, fans, etc.
The PCA9537 consists of a 4-bit Configuration register (Input or
Output selection); 4-bit Input register, 4-bit Output register and a
4-bit Polarity inversion register (Active-HIGH or Active-LOW
operation). The system master can enable the I/Os as either inputs
or outputs by writing to the I/O configuration bits. The data for each
Input or Output is kept in the corresponding Input or Output register.
The polarity of the input port register can be inverted with the
Polarity Inversion Register. All registers can be read by the system
master.
The PCA9537 open-drain interrupt output is activated when any
input state differs from its corresponding input port register state and
is used to indicate to the system master that an input state has
changed. The power-on reset sets the registers to their default
values and initializes the device state machine. The RESET pin
causes the same reset/initialization to occur without depowering the
device.
The I
2
C address is fixed and allows only one device on the same
I
2
C/SMBus.
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
ORDER CODE
TOPSIDE MARK
DRAWING NUMBER
10-Pin Plastic TSSOP
Standard packing quantities and other packing data are available at www.standardproducts.philips.com/packaging.
I
2
C is a trademark of Philips Semiconductors Corporation.
SMBus as specified by the Smart Battery System Implementers Forum is a derivative of the Philips I
2
C patent.
–40
°
C to +85
°
C
PCA9537DP
9537
SOT552-1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCA9537DP | 制造商:NXP Semiconductors 功能描述:IC IO PORT I2C/SMBUS 4BIT 1 制造商:NXP Semiconductors 功能描述:IC, IO PORT, I2C/SMBUS 4BIT, 10TSSOP 制造商:NXP Semiconductors 功能描述:IC, IO PORT, I2C/SMBUS 4BIT, 10TSSOP; Chip Configuration:4bit; Bus Frequency:400kHz; Interface Type:I2C, SMBus; Supply Voltage Min:2.3V; Supply Voltage Max:5.5V; Digital IC Case Style:TSSOP; No. of Pins:10; No. of I/O's:4; MSL:MSL 1 ;RoHS Compliant: Yes |
| PCA9537DP,118 | 功能描述:接口-I/O扩展器 I2C/SMBUS 4BIT GPIO 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 |
| PCA9537DP.118 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:4-bit I2C-bus and SMBus low power I/O port with interrupt and reset |
| PCA9537DP118 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
| PCA9538 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit I2C and SMBus low power I/O port with interrupt and reset |
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