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| 型号： | 74AHCT541 |
| 厂商： | NXP Semiconductors N.V. |
| 英文描述： | Octal buffer/line driver; 3-state(八通道缓冲器/线驱动器；三态；) |
| 中文描述： | 八路缓冲器/线路驱动器，3态（八通道缓冲器/线驱动器，三态;） |
| 文件页数： | 14/16页 |
| 文件大小： | 81K |
| 代理商： | 74AHCT541 |
1999 Nov 24
14
Philips Semiconductors
Product specification
Octal buffer/line driver; 3-state
74AHC541; 74AHCT541
Suitability of surface mount IC packages for wave and reflow soldering methods
Notes
1.
All surface mount (SMD) packages are moisture sensitive. Depending upon the moisture content, the maximum
temperature (with respect to time) and body size of the package, there is a risk that internal or external package
cracks may occur due to vaporization of the moisture in them (the so called popcorn effect). For details, refer to the
Drypack information in the “Data Handbook IC26; Integrated Circuit Packages; Section: Packing Methods”
These packages are not suitable for wave soldering as a solder joint between the printed-circuit board and heatsink
(at bottom version) can not be achieved, and as solder may stick to the heatsink (on top version).
If wave soldering is considered, then the package must be placed at a 45
°
angle to the solder wave direction.
The package footprint must incorporate solder thieves downstream and at the side corners.
Wave soldering is only suitable for LQFP, TQFP and QFP packages with a pitch (e) equal to or larger than 0.8 mm;
it is definitely not suitable for packages with a pitch (e) equal to or smaller than 0.65 mm.
Wave soldering is only suitable for SSOP and TSSOP packages with a pitch (e) equal to or larger than 0.65 mm; it is
definitely not suitable for packages with a pitch (e) equal to or smaller than 0.5 mm.
2.
3.
4.
5.
DEFINITIONS
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
PACKAGE
SOLDERING METHOD
WAVE
REFLOW
(1)
BGA, SQFP
HLQFP, HSQFP, HSOP, HTQFP, HTSSOP, SMS
PLCC
(3)
, SO, SOJ
LQFP, QFP, TQFP
SSOP, TSSOP, VSO
not suitable
not suitable
(2)
suitable
not recommended
(3)(4)
not recommended
(5)
suitable
suitable
suitable
suitable
suitable
Data sheet status
Objective specification
Preliminary specification
Product specification
This data sheet contains target or goal specifications for product development.
This data sheet contains preliminary data; supplementary data may be published later.
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 74AHCT541ABQX | 功能描述:74AHCT541ABQ SOT764 DHVQFN20 制造商:nexperia usa inc. 系列:74AHCT 包装:剪切带（CT） 零件状态:在售 逻辑类型:缓冲器，非反向 元件数:1 每元件位数:8 输入类型:TTL 输出类型:三态 电流 - 输出高，低:8mA，8mA 电压 - 电源:4.5 V ~ 5.5 V 工作温度:-40°C ~ 125°C（TA） 安装类型:表面贴装 封装/外壳:20-VFQFN 裸露焊盘 标准包装:1 |
| 74AHCT541APWJ | 功能描述:Buffer, Non-Inverting 1 Element 8 Bit per Element Push-Pull Output 20-TSSOP 制造商:nxp semiconductors 系列:74AHCT 包装:带卷（TR） 零件状态:有效 逻辑类型:缓冲器，非反向 元件数:1 每元件位数:8 输入类型:- 输出类型:推挽式 电流 - 输出高，低:8mA，8mA 电压 - 电源:4.5 V ~ 5.5 V 工作温度:-40°C ~ 125°C（TA） 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽） 供应商器件封装:20-TSSOP 标准包装:2,500 |
| 74AHCT541BQ | 制造商:NXP Semiconductors 功能描述:Bulk 制造商:NXP Semiconductors 功能描述:IC OCT BUFF/DRV TRI-ST DHV |
| 74AHCT541BQ,115 | 功能描述:缓冲器和线路驱动器 5V OCTAL BUFFER/LINE RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| 74AHCT541BQ-G | 功能描述:缓冲器和线路驱动器 5V OCTAL BUFFER/LINE DRIVER RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
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