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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 54LS |
| Packaging | | |
| Part Status | Active |
| Logic Type | Transceiver, Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 12mA, 12mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-CLCC |
| Supplier Device Package | 20-LCCC (8.89x8.89) |
| ROHS |  |
The 84161012A is a high-reliability inverting transceiver from Texas Instruments, designed for military and aerospace applications. It operates from 4.5V to 5.5V and provides bidirectional data transfer with inverted outputs and 3-State control. With 12mA sink and 12mA source drive capability, it is suitable for standard TTL bus loads. Housed in a 20-CLCC ceramic package, it operates over the full military temperature range of -55°C to 125°C. This transceiver is ideal for legacy 54LS systems requiring signal inversion and high reliability.
- Inverting Outputs: Provides signal inversion without additional logic gates, simplifying design.
- Military-Grade Package: Ceramic CLCC and -55°C to 125°C range ensure reliable operation in harsh environments.
- 3-State Outputs: Allows for bus sharing and isolation, essential for multi-device systems.
- Low-Power Schottky Technology: Balances speed and power consumption for efficient operation.
Inverting Bus Transceivers
The 84161012A is used in systems where signal inversion is required during bidirectional data transfer. This is common in certain bus architectures where active-low signals are preferred.
Military and Aerospace Systems
With its ceramic CLCC package and -55°C to 125°C temperature range, it is suitable for military avionics, radar systems, and space applications where reliability is paramount.
Legacy System Interfacing
For systems that still use 54LS logic, this transceiver provides a reliable interface for maintaining and upgrading legacy military equipment.
Signal Inversion and Buffering
Use it to invert and buffer control signals in digital systems. The 3-State outputs allow the device to be disconnected from the bus when not in use.
High-Reliability Industrial Controls
In industrial environments requiring high reliability, this transceiver can be used to interface between different control modules, providing signal inversion and bus isolation.
Test and Measurement for Defense
In defense ATE systems, this transceiver can route and invert test signals, ensuring compatibility with various units under test.
- Q: What is the logic family of the 84161012A?
- A: It belongs to the 54LS family, a low-power Schottky TTL logic family.
- Q: What is the function of this IC?
- A: It is a single-channel inverting transceiver, providing bidirectional data transfer with inverted outputs.
- Q: How many channels does it have?
- A: It has 1 channel, typically 8 bits wide.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation and multiplexing.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, compatible with standard TTL logic.
- Q: What package is available?
- A: It comes in a 20-CLCC (ceramic leadless chip carrier) package for high-reliability applications.
84161012A.pdf
- Q: What is the logic family of the 84161012A?
- A: It belongs to the 54LS family, a low-power Schottky TTL logic family.
- Q: What is the function of this IC?
- A: It is a single-channel inverting transceiver, providing bidirectional data transfer with inverted outputs.
- Q: How many channels does it have?
- A: It has 1 channel, typically 8 bits wide.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation and multiplexing.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, compatible with standard TTL logic.
- Q: What package is available?
- A: It comes in a 20-CLCC (ceramic leadless chip carrier) package for high-reliability applications.