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參數資料
| 型號： | 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： | 1/39頁 |
| 文件大小： | 985K |
| 代理商： | PCA9554ADBRG4 |
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1
FEATURES
DB, DBQ, DGV, DW,
OR PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A0
A1
A2
P0
P1
P2
P3
GND
VCC
SDA
SCL
INT
P7
P6
P5
P4
RGV PACKAGE
(TOP VIEW)
16
6
8
2
10
P7
P5
V
C
4
3
1
7
5
12
11
9
13
14
15
SDA
A0
A1
P6
INT
SCL
P3
GND
P4
A2
P0
P1
P2
RGT PACKAGE
(TOP VIEW)
16
6
8
2
10
P7
P5
V
C
4
3
1
7
5
12
11
9
13
14
15
SDA
A0
A1
P6
INT
SCL
P3
GND
P4
A2
P0
P1
P2
DESCRIPTION/ORDERING INFORMATION
www.ti.com........................................................................................................................................... SCPS127D – SEPTEMBER 2006 – REVISED AUGUST 2008
REMOTE 8-BIT I2C AND SMBus I/O EXPANDER
WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS
I2C to Parallel Port Expander
Power-Up With All Channels Configured as
Inputs
Open-Drain Active-Low Interrupt Output
No Glitch on Power Up
Operating Power-Supply Voltage Range of
2.3 V to 5.5 V
Latched Outputs With High-Current Drive
Maximum Capability for Directly Driving LEDs
5-V Tolerant I/Os
Latch-Up Performance Exceeds 100 mA Per
400-kHz Fast I2C Bus
JESD 78, Class II
Three Hardware Address Pins Allow up to
ESD Protection Exceeds JESD 22
Eight Devices on the I2C/SMBus
–
2000-V Human-Body Model (A114-A)
Input/Output Configuration Register
–
200-V Machine Model (A115-A)
Polarity Inversion Register
–
1000-V Charged-Device Model (C101)
Internal Power-On Reset
This 8-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.3-V to 5.5-V VCC operation. It
provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock
(SCL), serial data (SDA)].
The PCA9554A consists of one 8-bit Configuration (input or output selection), Input, Output, and Polarity
Inversion (active high or active low) registers. At power on, the I/Os are configured as inputs with a weak pullup
to VCC. However, 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 system master can reset the PCA9554A in the event of a timeout or other improper operation by utilizing the
power-on reset feature, which puts the registers in their default state and initializes the I2C/SMBus state machine.
The PCA9554A open-drain interrupt (INT) 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.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright 2006–2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| PCA9554ADGVRG4 | 功能描述:接口-I/O擴展器 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| PCA9554ADW | 功能描述:接口-I/O擴展器 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| PCA9554ADWG4 | 功能描述:接口-I/O擴展器 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
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