参数资料
| 型号： | PCA9507DP,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 9/20页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 24B 8TSSOP |
| 产品培训模块： | I²C Bus Fundamentals |
| 特色产品： | NXP - I2C Interface |
| 标准包装： | 1 |
| 接口： | I²C，SM 总线 |
| 输入/输出数： | 2 输入，2 输出 |
| 中断输出： | 无 |
| 频率 - 时钟： | 400kHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 标准包装 |
| 其它名称： | 568-5924-6 |
PCA9507_1
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 7 February 2008
17 of 20
NXP Semiconductors
PCA9507
2-wire serial bus extender for HDMI DDC I2C-bus and SMBus
13.4 Reow soldering
Key characteristics in reow soldering are:
Lead-free versus SnPb soldering; note that a lead-free reow process usually leads to
higher minimum peak temperatures (see Figure 19) than a SnPb process, thus
reducing the process window
Solder paste printing issues including smearing, release, and adjusting the process
window for a mix of large and small components on one board
Reow temperature prole; this prole includes preheat, reow (in which the board is
heated to the peak temperature) and cooling down. It is imperative that the peak
temperature is high enough for the solder to make reliable solder joints (a solder paste
characteristic). In addition, the peak temperature must be low enough that the
packages and/or boards are not damaged. The peak temperature of the package
depends on package thickness and volume and is classied in accordance with
Table 7 and 8
Moisture sensitivity precautions, as indicated on the packing, must be respected at all
times.
Studies have shown that small packages reach higher temperatures during reow
soldering, see Figure 19.
Table 7.
SnPb eutectic process (from J-STD-020C)
Package thickness (mm)
Package reow temperature (
°C)
Volume (mm3)
< 350
≥ 350
< 2.5
235
220
≥ 2.5
220
Table 8.
Lead-free process (from J-STD-020C)
Package thickness (mm)
Package reow temperature (
°C)
Volume (mm3)
< 350
350 to 2000
> 2000
< 1.6
260
1.6 to 2.5
260
250
245
> 2.5
250
245
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| PCA9507DP-T | 功能描述:接口-信号缓冲器、中继器 LEVEL TRANSL I2C BUS REPEATER RoHS:否 制造商:Texas Instruments 工作电源电压: 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:VSSOP-8 封装:Reel |
| PCA9507D-T | 功能描述:接口-信号缓冲器、中继器 LEVEL TRANSL I2C BUS REPEATER RoHS:否 制造商:Texas Instruments 工作电源电压: 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:VSSOP-8 封装:Reel |
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| PCA9508D | 功能描述:接口-信号缓冲器、中继器 HOTSWAP LVTTL I2C-BUS REPEATER RoHS:否 制造商:Texas Instruments 工作电源电压: 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:VSSOP-8 封装:Reel |
| PCA9508D,112 | 功能描述:接口-信号缓冲器、中继器 HOTSWAP LVTTL RoHS:否 制造商:Texas Instruments 工作电源电压: 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:VSSOP-8 封装:Reel |
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