参数资料
| 型号： | PCA9655EDTR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 16B 24-TSSOP |
| 标准包装： | 1 |
| 接口： | I²C 总线，SM 总线 |
| 输入/输出数： | 16 |
| 中断输出： | 是 |
| 频率 - 时钟： | 100kHz |
| 电源电压： | 1.65 V ~ 5.5 V |
| 工作温度： | -55°C ~ 125°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： | 标准包装 |
| 其它名称： | PCA9655EDTR2GOSDKR |
Semiconductor Components Industries, LLC, 2012
May, 2012 Rev. 1
1
Publication Order Number:
PCA9655E/D
PCA9655E
Remote 16-bit I/O Expander
for I2C Bus with Interrupt
The PCA9655E provides 16 bits of General Purpose parallel Input /
Output (GPIO) expansion through the I2Cbus / SMBus.
The PCA9655E consists of two 8bit Configuration (Input or
Output selection); Input, Output and Polarity Inversion (activeHIGH
or activeLOW operation) registers. At power on, all I/Os default to
inputs. Each I/O may be configured as either input or output by writing
to its corresponding I/O configuration bit. The data for each Input or
Output is kept in its corresponding Input or Output register. The
Polarity Inversion register may be used to invert the polarity of the
read register. All registers can be read by the system master.
The PCA9655E provides an opendrain interrupt output which is
activated when any input state differs from its corresponding input
port register state. The interrupt output is used to indicate to the system
master that an input state has changed. The poweron reset sets the
registers to their default values and initializes the device state
machine.
Three hardware pins (AD0, AD1, AD2) are used to configure the
I2Cbus slave address of the device. Up to 64 devices are allowed to
share the same I2Cbus / SMBus.
Features
VDD Operating Range: 1.65 V to 5.5 V
SDA Sink Capability: 30 mA
5.5 V Tolerant I/Os
Polarity Inversion Register
Active LOW Interrupt Output
Low Standby Current
Noise Filter on SCL/SDA Inputs
No Glitch on Powerup
Internal Poweron Reset
64 Programmable Slave Addresses Using Three Address Pins
16 I/O Pins Which Default to 16 Inputs
I2C SCL Clock Frequencies Supported:
Standard Mode: 100 kHz
Fast Mode: 400 kHz
Fast Mode +: 1 MHz
ESD Performance: 2000 V Human Body Model,
200 V Machine Model
These are PbFree Devices
SOIC24
DW SUFFIX
CASE 751E
See detailed ordering and shipping information in the package
dimensions section on page 17 of this data sheet.
ORDERING INFORMATION
MARKING
DIAGRAMS
http://onsemi.com
TSSOP24
DT SUFFIX
CASE 948H
1
WQFN24
MT SUFFIX
CASE 485BG
PCA
9655E
ALYWG
G
PCA96
55EG
AWLYYWW
PCA9655E
AWLYYWWG
XXXX
= Specific Device Code
A
= Assembly Location
WL, L
= Wafer Lot
YY, Y
= Year
WW, W = Work Week
G or G = PbFree Package
(Note: Microdot may be in either location)
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