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| 型號(hào)： | PCA9554AN |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-bit I2C and SMBus I/O port with interrupt |
| 中文描述： | 8 I/O, PIA-GENERAL PURPOSE, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, MO-001, SOT-38-1, DIP-16 |
| 文件頁(yè)數(shù)： | 2/20頁(yè) |
| 文件大小： | 183K |
| 代理商： | PCA9554AN |
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Philips Semiconductors
Product data sheet
PCA9554/PCA9554A
8-bit I
2
C and SMBus I/O port with interrupt
2
2004 Sep 30
FEATURES
Operating power supply voltage range of 2.3 to 5.5 V
5 V tolerant I/Os
Polarity inversion register
Active-LOW interrupt output
Low stand-by current
Noise filter on SCL/SDA inputs
No glitch on power-up
Internal power-on reset
8 I/O pins which default to 8 inputs
0 to 400 kHz clock frequency
ESD protection exceeds 2000 V HBM per JESD22-A114,
200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101
Latch-up testing is done to JESDEC Standard JESD78 which
exceeds 100 mA
Six packages offered: DIP16, SO16, SSOP16, SSOP20,
TSSOP16, and HVQFN16
DESCRIPTION
The PCA9554 and PCA9554A are 16-pin CMOS devices that
provide 8 bits of General Purpose parallel Input/Output (GPIO)
expansion for I
2
C/SMBus applications and were developed to
enhance the Philips family of I C I/O expanders. The improvements
include higher drive capability, 5V I/O tolerance, lower supply
current, individual I/O configuration, 400 kHz clock frequency, and
smaller packaging. I/O expanders provide a simple solution when
additional I/O is needed for ACPI power switches, sensors,
pushbuttons, LEDs, fans, etc.
The PCA9554/54A consist of an 8-bit Configuration register (Input or
Output selection); 8-bit Input register, 8-bit Output register and an
8-bit Polarity inversion register (Active-HIGH or Active-LOW
operation). 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 read register can be inverted with the Polarity
Inversion Register. All registers can be read by the system master.
Although pin to pin and I
2
C address compatible with the PCF8574
series, software changes are required due to the enhancements and
are discussed in Application Note AN469
The PCA9554/54A open-drain interrupt 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. The power-on reset sets the registers to their default
values and initializes the device state machine.
Three hardware pins (A0, A1, A2) vary the fixed I
2
C address and
allow up to eight devices to share the same I
2
C/SMBus. The
PCA9554A is identical to the PCA9554 except that the fixed I
2
C
address is different allowing up to sixteen of these devices (eight of
each) on the same I
2
C/SMBus.
ORDERING INFORMATION
PACKAGES
TEMPERATURE
RANGE
ORDER CODE
TOPSIDE MARK
DRAWING NUMBER
16-Pin Plastic DIP
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
PCA9554N
PCA9554N
SOT38-1
16-Pin Plastic SO (wide)
PCA9554D
PCA9554D
SOT162-1
16-Pin Plastic SSOP
PCA9554DB
9554DB
SOT338-1
20-Pin Plastic SSOP
PCA9554TS
PCA9554
SOT266-1
16-Pin Plastic TSSOP
PCA9554PW
9554DH
SOT403-1
16-Pin Plastic HVQFN
PCA9554BS
9554
SOT629-1
16-Pin Plastic DIP
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
PCA9554AN
PCA9554AN
SOT38-1
16-Pin Plastic SO (wide)
PCA9554AD
PCA9554AD
SOT162-1
16-Pin Plastic SSOP
PCA9554ADB
9554A
SOT338-1
20-Pin Plastic SSOP
PCA9554ATS
PA9554A
SOT266-1
16-Pin Plastic TSSOP
PCA9554APW
9554ADH
SOT403-1
16-Pin Plastic HVQFN
Standard packing quantities and other packaging data are available at www.philipslogic.com/packaging.
I
2
C is a trademark of Philips Semiconductors Corporation.
SMBus as specified by the Smart Battery System Implementers Forum is a derivative of the Philips I
2
C patent.
PCA9554ABS
554A
SOT629-1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9554AN,112 | 功能描述:I2C 接口集成電路 8-BIT I2C FM TP GPIO RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16 |
| PCA9554APW | 功能描述:接口-I/O擴(kuò)展器 PCA9554ARem 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 |
| PCA9554APW,112 | 功能描述:接口-I/O擴(kuò)展器 I2C I/O EXPANDER GP 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 |
| PCA9554APW,118 | 功能描述:I2C 接口集成電路 8-BIT I2C FM TP GPIO INT PU RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16 |
| PCA9554APW/G,118 | 制造商:NXP Semiconductors 功能描述:Tape & Reel |
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