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參數(shù)資料
| 型號： | CAT9554AHV4I-T2 |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC I/O EXPANDER I2C/SMBUS 16TQFN |
| 標準包裝： | 2,000 |
| 接口： | I²C，SM 總線 |
| 輸入/輸出數(shù)： | 8 |
| 中斷輸出： | 是 |
| 頻率 - 時鐘： | 400kHz |
| 電源電壓： | 2.3 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 16-TQFN（4x4） |
| 包裝： | 帶卷 (TR) |
| 包括： | POR |
Semiconductor Components Industries, LLC, 2011
June, 2011 Rev. 6
1
Publication Order Number:
CAT9554/D
CAT9554, CAT9554A
8-bit I2C and SMBus I/O Port
with Interrupt
Description
The CAT9554 and CAT9554A are CMOS devices that provide 8bit
parallel input/output port expansion for I2C and SMBus compatible
applications. These I/O expanders provide a simple solution in
applications where additional I/Os are needed: sensors, power
switches, LEDs, pushbuttons, and fans.
The CAT9554/9554A consist of an input port register, an output port
register, a configuration register, a polarity inversion register and an
I2C/SMBuscompatible serial interface.
Any of the eight I/Os can be configured as an input or output by
writing to the configuration register. The system master can invert the
CAT9554/9554A input data by writing to the activehigh polarity
inversion register.
The CAT9554/9554A features an active low interrupt output which
indicates to the system master that an input state has changed.
The device’s extended addressing capability allows up to 8 devices
to share the same bus. The CAT9554A is identical to the CAT9554
except the fixed part of the I2C slave address is different. This allows
up to 16 of devices (eight CAT9554 and eight CAT9554A) to be
connected on the same bus.
Features
2.3 V to 5.5 V Operation
Low Standby Current
5 V Tolerant I/Os
8 I/O Pins that Default to Inputs at Powerup
High Drive Capability
Individual I/O Configuration
Polarity Inversion Register
Active Low Interrupt Output
Internal Poweron Reset
No Glitch on Powerup
Noise Filter on SDA/SCL Inputs
Cascadable up to 8 Devices
Industrial Temperature Range
16lead SOIC and TSSOP, and 16pad TQFN (4 x 4 mm) Packages
These Devices are PbFree, Halogen Free/BFR Free and are RoHS
Compliant
Applications
White Goods (dishwashers, washing machines)
Handheld Devices (cell phones, PDAs, digital cameras)
Data Communications (routers, hubs and servers)
1. All I/Os are set to inputs at RESET.
TQFN16
HV4 SUFFIX
CASE 510AE
http://onsemi.com
SOIC16
W SUFFIX
CASE 751BG
PIN CONNECTIONS
SOIC (W), TSSOP (Y)
(Top View)
1
A0
A1
A2
I/O1
I/O0
VCC
SDA
SCL
INT
I/O7
I/O6
I/O5
I/O4
I/O2
I/O3
VSS
TSSOP16
Y SUFFIX
CASE 948AN
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
ORDERING INFORMATION
TQFN 4 x 4 mm (HV4)
(Top View)
SCL
INT
I/O7
I/O6
A2
I/O1
I/O0
I/O2
A1
A0
V
CC
SDA
I/O
3
I/O
4
V
SS
I/O
5
1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT9554AWGI-T2 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT9554AWI-G | 功能描述:接口-I/O擴展器 8-Bit Parallel IO RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| CAT9554AWI-GT2 | 功能描述:接口-I/O擴展器 I2C/SMBUS Expander 8B,w/Int RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| CAT9554AYGI | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT9554AYGI-T2 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
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