TC74VHC139F
Inverted output simplifies system integration and desigTC74VHC139F
Inverted output simplifies system integration and desig
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TC74VHC139F 數據表
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詳細說明
The TC74VHC125/126 are high speed CMOS QUAD BUS BUFFERs fabricated with silicon gate C2 MOS technology. They achieve the high speed operation similar to equivalent Bipolar Shottky TTL while maintaining the CMOS low power dissipation.
主要特徵
- Main features of TC74VHC139F are:
- - High-speed operation up to 50 Mbps
- - Low power consumption and high reliability
- - Standardized pinout for easy integration
應用
- Essential for safety devices
- in power plants
- and elevators
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Pbfree Code | Yes | Rohs Code | No |
Part Life Cycle Code | Obsolete | Part Package Code | SOIC |
Pin Count ! | 16 | Reach Compliance Code | |
ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
Family | AHC/VHC | JESD-30 Code | R-PDSO-G16 |
JESD-609 Code | e0 | Length | 10.3 mm |
Load Capacitance (CL) | 50 pF | Logic IC Type | OTHER DECODER/DRIVER |
Max I(ol) | 0.008 A | Number of Functions | 2 |
Number of Terminals | 16 | Operating Temperature-Max | 85 °C |
Operating Temperature-Min | -40 °C | Output Polarity | INVERTED |
Package Body Material | PLASTIC/EPOXY | Package Code | SOP |
Package Equivalence Code | SOP16,.3 | Package Shape | RECTANGULAR |
Package Style | SMALL OUTLINE | Power Supplies ! | 2/5.5 V |
Prop. Delay@Nom-Sup | 10.5 ns | Propagation Delay (tpd) | 16.5 ns |
Qualification Status ! | Not Qualified | Seated Height-Max | 1.9 mm |
Supply Voltage-Max (Vsup) | 5.5 V | Supply Voltage-Min (Vsup) | 2 V |
Supply Voltage-Nom (Vsup) | 3.3 V | Surface Mount ! | YES |
Technology | CMOS | Temperature Grade ! | INDUSTRIAL |
Terminal Finish | TIN LEAD | Terminal Form ! | GULL WING |
Terminal Pitch ! | 1.27 mm | Terminal Position | DUAL |
Width | 5.3 mm |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is TC74VHC139F?
The TC74VHC139F is a dual 2-to-4 line decoder/demultiplexer IC (integrated circuit) manufactured by Toshiba. It is designed for use in digital logic applications such as address decoding, data routing, and selection control in microcontroller and microprocessor systems.
How Does TC74VHC139F Work?
The TC74VHC139F works by taking two input lines to select 1 of 4 outputs based on the combination of the input signals. It operates using VHC (Very High-Speed CMOS) technology, providing high-speed operation and low power consumption. The device can be used in various configurations to accommodate different decoding and demultiplexing requirements in digital systems.
How Many Pins does TC74VHC139F have and What are the Functions of the Pinout Configuration?
The TC74VHC139F is housed in a 16-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:
- Y0, Y1, Y2, Y3: Output pins for the demultiplexer.
- AB, A, B: Input pins for the decoding/demultiplexing operation.
- GND: Ground pin.
- VCC: Power supply pin.
- ~E1, ~E2: Enable input pins for the two demultiplexer sections.
What are the Pros and Cons of TC74VHC139F?
Pros:
- High Speed Operation: Utilizes VHC technology for very high-speed operation.
- Low Power Consumption: Suitable for power-sensitive applications.
- Compact Package: Housed in a small TSSOP package for space-efficient designs.
- Versatile Functionality: Provides flexibility for various decoding and demultiplexing tasks.
- Wide Operating Voltage Range: Works with a wide range of supply voltages for compatibility.
Cons:
- Complexity: Requires proper understanding of digital logic and decoding principles for effective use.
- Interface Control: The enable inputs may require additional logic to control in certain applications.
- Propagation Delay: Like all digital logic devices, the TC74VHC139F has associated propagation delays to consider in timing-critical applications.
Are There Any Equivalents/Alternatives to TC74VHC139F for Recommendation?
- The 74HC139 from NXP Semiconductors is a similar dual 2-to-4 line decoder/demultiplexer IC.
- Alternatives to the TC74VHC139F include the CD74HC139 from Texas Instruments and the MC74HC139A from ON Semiconductor.
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