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參數(shù)資料
| 型號： | CAT9555YI-T2 |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC I/O EXPANDER I2C 16B 24TSSOP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 接口： | I²C，串行，SMBus |
| 輸入/輸出數(shù)： | 16 |
| 中斷輸出： | 是 |
| 頻率 - 時(shí)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： | 24-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-TSSOP |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 包括： | POR |
| 產(chǎn)品目錄頁面： | 807 (CN2011-ZH PDF) |
| 其它名稱： | CAT9555YI-T2DKR |
Semiconductor Components Industries, LLC, 2011
June, 2011 Rev. 11
1
Publication Order Number:
CAT9555/D
CAT9555
16-bit I2C and SMBus I/O
Port with Interrupt
Description
The CAT9555 is a CMOS device that provides 16bit 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 CAT9555 consists of two 8bit Configuration ports (input or
output), Input, Output and Polarity inversion registers, and an
I2C/SMBuscompatible serial interface.
Any of the sixteen I/Os can be configured as an input or output by
writing to the configuration register. The system master can invert the
CAT9555 input data by writing to the activehigh polarity inversion
register.
The CAT9555 features an active low interrupt output which
indicates to the system master that an input state has changed.
The three address input pins provide the device’s extended
addressing capability and allow up to eight devices to share the same
bus. The fixed part of the I2C slave address is the same as the
CAT9554, allowing up to eight of these devices in any combination to
be connected on the same bus.
Features
400 kHz I2C Bus Compatible
2.3 V to 5.5 V Operation
Low Standby Current
5 V Tolerant I/Os
16 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
24lead SOIC and TSSOP, and 24pad 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)
http://onsemi.com
SOIC24
W SUFFIX
CASE 751BK
TSSOP24
Y SUFFIX
CASE 948AR
TQFN24
HV6 SUFFIX
CASE 510AG
MARKING DIAGRAMS
TQFN24
HT6 SUFFIX
CASE 510AN
A3B
CAT9555WI
YMXXXX
See detailed ordering and shipping information in the package
dimensions section on page 16 of this data sheet.
ORDERING INFORMATION
A
= Assembly Location
3
= MatteTin Lead Finish
B
= Product Revision (Fixed as “B”)
CAT955W = Device Code (SOIC)
CAT9555Y = Device Code (TSSOP)
I
= Industrial Temperature Range
Y
= Production Year (Last Digit)
M
= Production Month (19, O, N, D)
XXX
= Last Three Digits of Assembly Lot Number
XXXX
= Last Four Digits of Assembly Lot Number
HHHH = Device Code
MAAB = HT6
LAAB = HV6
A
= Assembly Location
XXX
= Last Three Digits of Assembly Lot Number
Y
= Production Year (Last Digit)
M
= Production Month (19, O, N, D)
CC
= Country Code
TH = Thailand
MY = Malaysia
HHHH
AXXX
YMCC
AB
CAT9555YI
3YMXXX
(TQFN)
(SOIC)
(TSSOP)
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