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PCA9510A PDF预览

PCA9510A

更新时间： 2024-02-13 09:27:44
品牌 Logo 应用领域
恩智浦 - NXP /
页数 文件大小 规格书
23页 137K
描述
Hot swappable I2C-bus and SMBus bus buffer

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中文翻译

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PCA9510A 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：3 MM,PLASTIC,SOT-505-1,TSSOP-8
针数：8Reach Compliance Code：unknown
风险等级：5.61接口集成电路类型：INTERFACE CIRCUIT
JESD-30 代码：S-PDSO-G8长度：3 mm
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP8,.19
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：3/5 V
认证状态：Not Qualified座面最大高度：1.1 mm
子类别：Other Interface ICs最大压摆率：6 mA
最大供电电压：5.5 V最小供电电压：2.7 V
标称供电电压：3.3 V表面贴装：YES
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：3 mm
Base Number Matches：1

PCA9510A 数据手册

 浏览型号PCA9510A的Datasheet PDF文件第1页浏览型号PCA9510A的Datasheet PDF文件第2页浏览型号PCA9510A的Datasheet PDF文件第3页浏览型号PCA9510A的Datasheet PDF文件第5页浏览型号PCA9510A的Datasheet PDF文件第6页浏览型号PCA9510A的Datasheet PDF文件第7页 
PCA9510A  
Philips Semiconductors  
Hot swappable I2C-bus and SMBus bus buffer  
7. Pinning information  
7.1 Pinning  
1
2
3
4
8
7
6
5
ENABLE  
SCLOUT  
SCLIN  
V
CC  
1
2
3
4
8
7
6
5
ENABLE  
SCLOUT  
SCLIN  
V
CC  
SDAOUT  
SDAIN  
SDAOUT  
SDAIN  
PCA9510AD  
PCA9510ADP  
GND  
READY  
GND  
READY  
002aab783  
002aab782  
Fig 2. Pin configuration for SO8  
Fig 3. Pin configuration for TSSOP8  
7.2 Pin description  
Table 3:  
Symbol  
Pin description  
Pin Description  
ENABLE  
1
Chip enable. Grounding this input puts the part in a Low current (< 1 µA)  
mode. It also disables the rise time accelerators, isolates SDAIN from  
SDAOUT and isolates SCLIN from SCLOUT.  
SCLOUT  
SCLIN  
GND  
2
3
4
5
serial clock output to and from the SCL bus on the card  
serial clock input to and from the SCL bus on the backplane  
ground supply; connect this pin to a ground plane for best results  
READY  
open-drain output which pulls LOW when SDAIN and SCLIN are  
disconnected from SDAOUT and SCLOUT, and goes HIGH when the two  
sides are connected  
SDAIN  
SDAOUT  
VCC  
6
7
8
serial data input to and from the SDA bus on the backplane  
serial data output to and from the SDA bus on the card  
power supply  
8. Functional description  
Refer to Figure 1 “Block diagram of PCA9510A”.  
8.1 Start-up  
An undervoltage and initialization circuit holds the parts in a disconnected state which  
presents high-impedance to all SDAn and SCLn pins during power-up. A LOW on the  
ENABLE pin also forces the parts into the low current disconnected state when the ICC is  
essentially zero. As the power supply is brought up and the ENABLE is HIGH or the part is  
powered and the ENABLE is taken from LOW to HIGH, it enters an initialization state  
where the internal references are stabilized and the precharge circuit is enabled. At the  
end of the initialization state the ‘Stop Bit And Bus Idle’ detect circuit is enabled. With the  
ENABLE pin HIGH long enough to complete the initialization state (ten) and remaining  
HIGH when all the SDAn and SCLn pins have been HIGH for the bus idle time or when all  
pins are HIGH and a STOP condition is seen on the SDAIN and SCLIN pins, SDAIN is  
connected to SDAOUT and SCLIN is connected to SCLOUT. The 1 V precharge circuitry  
PCA9510A_1  
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.  
Product data sheet  
Rev. 01 — 8 September 2005  
4 of 23  
1234567...23

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