參數(shù)資料
型號(hào)： PCA9554ADBRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 8 I/O, PIA-GENERAL PURPOSE, PDSO16
封裝： GREEN, PLASTIC, SSOP-16
文件頁數(shù)： 12/39頁
文件大小： 985K
代理商： PCA9554ADBRG4
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
SCPS127D – SEPTEMBER 2006 – REVISED AUGUST 2008........................................................................................................................................... www.ti.com
INT can be connected to the interrupt input of a microcontroller. By sending an interrupt signal on this line, the
remote I/O can inform the microcontroller if there is incoming data on its ports without having to communicate via
the I2C bus. Thus, the PCA9554A can remain a simple slave device.
The device's outputs (latched) have high-current drive capability for directly driving LEDs and low current
consumption.
Three hardware pins (A0, A1, and A2) are used to program and vary the fixed I2C address and allow up to eight
devices to share the same I2C bus or SMBus.
The PCA9554A is pin-to-pin and I2C address compatible with the PCF8574A. However, software changes are
required, due to the enhancements in the PCA9554A over the PCF8574A.
The PCA9554A and PCA9554 are identical except for their fixed I2C address. This allows for up to 16 of these
devices (8 of each) on the same I2C/SMBus.
ORDERING INFORMATION
TA
PACKAGE(1)(2)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
QFN – RGT
Reel of 3000
PCA9554ARGTR
ZVH
QFN – RGV
Reel of 2500
PCA9554ARGVR
PD554A
Tube of 75
PCA9554ADBQ
QSOP – DBQ
PD554A
Reel of 2500
PCA9554ADBQR
Tube of 40
PCA9554ADW
SOIC – DW
PCA9554A
Reel of 2000
PCA9554ADWR
–40°C to 85°C
PCA9554ADB
Tube of 80
SSOP – DB
PCA9554ADBG4
PD554A
Reel of 2000
PCA9554ADBR
Tube of 90
PCA9554APW
TSSOP – PW
PD554A
Reel of 2000
PCA9554APWR
Reel of 2000
PCA9554ADGVR
TVSOP – DGV
PD554A
Reel of 125
PCA9554ADGV
(1)
Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
(2)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
2
Copyright 2006–2008, Texas Instruments Incorporated
Product Folder Link(s): PCA9554A
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCA9554ADGV 制造商:TI 制造商全稱:Texas Instruments 功能描述:REMOTE 8-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS
PCA9554ADGVR 功能描述:接口-I/O擴(kuò)展器 Rem 8B I2C & SMBus I/O Expander 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
PCA9554ADGVRG4 功能描述:接口-I/O擴(kuò)展器 Rem 8B I2C and SMBus I/O Expander 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
PCA9554ADW 功能描述:接口-I/O擴(kuò)展器 Rem 8B I2C & SMBus I/O Expander 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
PCA9554ADWG4 功能描述:接口-I/O擴(kuò)展器 Rem 8B I2C and SMBus I/O Expander 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
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