Overview
The SN74AS756DW, manufactured by Texas Instruments, is an integrated circuit designed as an octal buffer and line driver. This component is part of the 74AS series and is specifically engineered to enhance the performance and density of various digital systems, particularly in 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. It operates within a voltage range of 4.5V to 5.5V and is housed in a 20-pin Small-Outline Integrated Circuit (SOIC) package.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | SN74AS756DW |
| Category | Integrated Circuits (ICs) - Logic - Buffers, Drivers, Receivers, Transceivers |
| Package | 20-SOIC (0.295", 7.50mm Width) |
| Logic Type | Buffer, Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Output Type | Open Collector |
| Current - Output High, Low | -, 64mA |
| Voltage - Supply | 4.5 V ~ 5.5 V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
Key Features
- Open-Collector Outputs: These outputs are designed to drive bus lines or buffer memory address registers effectively.
- No Need for 3-State Overlap Protection: This feature simplifies the design and operation of memory address drivers and bus-oriented systems.
- pnp Inputs: Reduce DC loading, enhancing the overall efficiency of the circuit.
- High Fan-Out and Improved Fan-In: These devices are optimized for high fan-out and improved fan-in capabilities, making them suitable for complex digital systems.
- Package Options: Available in plastic small-outline (DW) packages, ceramic chip carriers (FK), and standard plastic (N) and ceramic (J) 300-mil DIPs.
Applications
- 3-State Memory Address Drivers: Ideal for driving memory address lines in digital systems.
- Clock Drivers: Suitable for distributing clock signals in synchronous systems.
- Bus-Oriented Receivers and Transmitters: Enhances the performance of bus lines in various digital communication systems.
- Digital Logic Circuits: Can be used in a variety of digital logic circuits requiring buffering and line driving capabilities.
Q & A
- What is the primary function of the SN74AS756DW?
The SN74AS756DW is an octal buffer and line driver designed to improve the performance and density of digital systems, particularly in 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.
- What is the voltage supply range for the SN74AS756DW?
The voltage supply range for the SN74AS756DW is 4.5V to 5.5V.
- What type of outputs does the SN74AS756DW have?
The SN74AS756DW has open-collector outputs.
- What is the operating temperature range for the SN74AS756DW?
The operating temperature range for the SN74AS756DW is 0°C to 70°C.
- What package options are available for the SN74AS756DW?
The SN74AS756DW is available in plastic small-outline (DW) packages, ceramic chip carriers (FK), and standard plastic (N) and ceramic (J) 300-mil DIPs.
- Why are pnp inputs beneficial in the SN74AS756DW?
pnp inputs reduce DC loading, which enhances the overall efficiency of the circuit.
- What is the significance of high fan-out and improved fan-in in the SN74AS756DW?
High fan-out and improved fan-in capabilities make the SN74AS756DW suitable for complex digital systems, allowing it to drive multiple loads efficiently.
- Can the SN74AS756DW be used in military applications?
No, the SN74AS756DW is characterized for operation from 0°C to 70°C, whereas military-grade versions like the SN54AS756 are characterized for operation over the full military temperature range of -55°C to 125°C.
- What are some common applications of the SN74AS756DW?
Common applications include 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.
- Is the SN74AS756DW RoHS compliant?
