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參數(shù)資料
| 型號(hào)： | PCA9535EDWR2G |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 6/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | 16-BIT I/O EXPANDER |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 接口： | I²C 總線，SM 總線 |
| 輸入/輸出數(shù)： | 16 |
| 中斷輸出： | 是 |
| 頻率 - 時(shí)鐘： | 100kHz |
| 電源電壓： | 1.65 V ~ 5.5 V |
| 工作溫度： | -55°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SOIC |
| 包裝： | 帶卷 (TR) |
| 包括： | * |
PCA9535E, PCA9535EC
http://onsemi.com
14
Figure 12. High Value Resistor in Parallel
with the LED
Figure 13. Device Supplied by a Lower Voltage
LED
VDD
LEDn
100 kW
VDD
LED
VDD
LEDn
3.3 V
5 V
Characteristics of the I2Cbus
The I2Cbus is meant for 2way, 2line communication
between different ICs or modules. The two lines are the
serial data line (SDA) and the serial clock line (SCL). Both
lines must be connected to a positive supply via a pullup
resistor when connected to the output stages of a device.
Data transfer may only be initiated when the bus is not busy.
Bit transfer
One data bit is transferred during each clock pulse. The
data on the SDA line must remain stable during the HIGH
period of the clock pulse. Changes in the data line during the
HIGH period of the clock pulse will be interpreted as control
signals (see Figure 14).
Figure 14. Bit Transfer
data line
stable;
data valid
change
of data
allowed
SDA
SCL
START and STOP conditions
Both data and clock lines remain HIGH when the bus is
not busy. A START condition (S) occurs when there is a
HIGHtoLOW transition of the data line while the clock is
HIGH. A STOP condition (P) occurs when there is a
LOWtoHIGH transition of the data line while the clock is
HIGH (see Figure 15).
Figure 15. Definition of START and STOP Conditions
SDA
SCL
P
STOP condition
SDA
SCL
S
START condition
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| PCA9539RPW,112 | IC I/O EXPANDER I2C 16B 24TSSOP |
| PCA9554TS,112 | IC I/O EXPANDER I2C 8B 20SSOP |
| PCA9555N,112 | IC I/O EXPANDER I2C 16B 24DIP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9535EMTTXG | 功能描述:接口-I/O擴(kuò)展器 16-BIT 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 |
| PCA9535HF | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16-bit I2C-bus and SMBus, low power I/O port with interrupt |
| PCA9535HF,118 | 功能描述:I2C 接口集成電路 16BIT 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 |
| PCA9535HF-T | 功能描述:I2C 接口集成電路 16BIT I2C FM TP GPIO INT 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 |
| PCA9535PW | 功能描述:I2C 接口集成電路 I2C/SMBUS 16BIT 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 |
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