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參數資料
| 型號： | PCA9501 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins |
| 中文描述： | 8位I2C和SMBus I / O口的中斷，2千比特的EEPROM和6個地址引腳 |
| 文件頁數： | 2/22頁 |
| 文件大小： | 146K |
| 代理商： | PCA9501 |
Philips Semiconductors
Product data
PCA9501
8-bit I
2
C and SMBus I/O port with interrupt,
2-kbit EEPROM and 6 address pins
2
2003 Sep 12
FEATURES
8 general purpose input/output expander/collector
Replacement for PCF8574 with integrated 2-kbit EEPROM
Internal 256
×
8 EEPROM
Self timed write cycle (5 ms typ)
16 byte page write operation
I
2
C and SMBus interface logic
Internal power-on reset
Noise filter on SCL/SDA inputs
Active low interrupt output
6 address pins allowing up to 64 devices on the I
2
C/SMBus
No glitch on power-up
Supports hot insertion
Power-up with all channels configured as inputs
Low standby current
Operating power supply voltage range of 2.5 V to 3.6 V
5 V tolerant inputs/outputs
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
Packages offered: SO20, TSSOP20, HVQFN20
DESCRIPTION
The PCA9501 is an 8-bit I/O expander with an on-board 2-kbit
EEPROM.
The I/O expandable eight quasi bidirectional data pins can be
independently assigned as inputs or outputs to monitor board level
status or activate indicator devices such as LEDs. The system
master writes to the I/O configuration bits in the same way as for the
PCF8574. The data for each Input or Output is kept in the
corresponding Input or Output register. The system master can read
all registers.
The EEPROM can be used to store error codes or board
manufacturing data for read-back by application software for
diagnostic purposes and are included in the I/O expander package.
The PCA9501 Active-LOW open-drain interrupt output is activated
when any input state differes from its corresponding input port
register state. It is used to indicate to the system master that an
input state has changed and the device needs to be interrogated.
The PCA9501 has six address pins with internal pull-up resistors
allowing up to 64 devices to share the common two wire I
2
C
software protocol serial data bus. The fixed GPIO address starts
with “1” and the fixed EEPROM I
2
C address starts with “0”, so the
PCA9501 appears as two separate devices to the bus master.
The PCA9501 supports hot insertion to facilitate usage in removable
cards on backplane systems.
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
ORDER CODE
TOPSIDE MARK
DRAWING NUMBER
20-pin plastic SO
-40 to +85
°
C
PCA9501D
PCA9501D
SOT163-1
20-Pin Plastic TSSOP
-40 to +85
°
C
-40 to +85
°
C
PCA9501PW
PCA9501
SOT360-1
20-Pin Plastic HVQFN
Standard packing quantities and other packaging data are available at www.philipslogic.com/packaging.
SMBus as specified by the Smart Battery System Implementers Forum is a derivative of the Philips I
2
C patent.
I
2
C is a trademark of Philips Semiconductors Corporation.
PCA9501BS
9501
SOT662-1
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相關代理商/技術參數 |
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|---|---|
| PCA9501A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Smart, simple solutions for the 12 most common design concerns |
| PCA9501BS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins |
| PCA9501BS,118 | 功能描述:接口-I/O擴展器 8BIT I2C FMQB GPIONT 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 |
| PCA9501BS,118-CUT TAPE | 制造商:NXP 功能描述:8-bit 8 I/O I2C-bus Expander On Board 2 kb EEPROM Surface Mount - HVQFN-20 |
| PCA9501BS-T | 功能描述:接口-I/O擴展器 8BIT I2C FMQB GPIONT PU2K EPR 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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