Texas Instruments SN74HC245NSR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.67 | $0.67 |
| 15+ | $0.64 | $9.60 |
| 25+ | $0.63 | $15.75 |
| 50+ | $0.60 | $30.00 |
| 100+ | $0.53 | $53.00 |
| N+ | $0.11 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74HC |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SO |
| ROHS |  |
The SN74HC245NSR from Texas Instruments is an octal non-inverting transceiver in the 74HC logic family. It features 3-state outputs and operates from 2V to 6V, with a typical output current of 7.8mA. This IC is designed for bidirectional data bus buffering in microprocessor and industrial systems. Its 20-pin SOIC package and wide temperature range (-40°C to 85°C) make it a versatile choice for general-purpose logic applications.
- Wide 2V to 6V Supply Range: Compatible with TTL, CMOS, and 5V systems, offering design flexibility.
- Bidirectional Operation: Allows data flow in both directions with direction control, reducing component count.
- 3-State Outputs: Prevents bus contention and enables multiple devices to share a common bus.
- High Drive Current (7.8mA): Ensures reliable signal transmission over longer traces and multiple loads.
Bidirectional Data Bus Buffering
The SN74HC245NSR is ideal for buffering bidirectional data buses in microprocessor systems, providing high drive current (7.8mA) and 3-state isolation to prevent bus contention.
Memory Interfacing
It can interface between a microcontroller and SRAM/ROM, buffering address/data lines and enabling direction control for read/write operations.
Peripheral Expansion
In embedded systems, it allows multiple peripherals to share a common data bus, with 3-state outputs isolating inactive devices.
Level Shifting (5V to 3.3V)
With a 2V to 6V supply, it can translate 5V logic to 3.3V logic (or vice versa) when powered appropriately, simplifying mixed-voltage designs.
Industrial Control Systems
In PLCs and industrial controllers, it buffers signals between logic boards and I/O modules, ensuring reliable data transfer in noisy environments.
Test and Measurement Equipment
It is used in data acquisition systems to buffer multiple channels of digital signals, maintaining signal integrity over long PCB traces.
- Q: What is the logic family of the SN74HC245NSR?
- A: It belongs to the 74HC logic family, known for high-speed CMOS operation with TTL compatibility.
- Q: What is the function of this IC?
- A: It is an octal (8-bit) non-inverting transceiver with 3-state outputs.
- Q: How many channels does it have?
- A: It provides 1 channel with 8 bits (octal) for bidirectional data transmission.
- Q: What type of output does it provide?
- A: It features 3-state outputs, allowing connection to shared data buses.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, compatible with TTL, CMOS, and 5V systems.
- Q: What package is available?
- A: It comes in a 20-pin SOIC package (5.30mm width).
SN74HC245NSR.pdf
- Q: What is the logic family of the SN74HC245NSR?
- A: It belongs to the 74HC logic family, known for high-speed CMOS operation with TTL compatibility.
- Q: What is the function of this IC?
- A: It is an octal (8-bit) non-inverting transceiver with 3-state outputs.
- Q: How many channels does it have?
- A: It provides 1 channel with 8 bits (octal) for bidirectional data transmission.
- Q: What type of output does it provide?
- A: It features 3-state outputs, allowing connection to shared data buses.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, compatible with TTL, CMOS, and 5V systems.
- Q: What package is available?
- A: It comes in a 20-pin SOIC package (5.30mm width).
