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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 54HCT |
| Packaging | | |
| 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 | 6mA, 6mA |
| 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 85506012A is a high-reliability octal bus transceiver from the 54HCT logic family, designed for bidirectional data communication in 5V systems. It features non-inverting 3-state outputs, allowing multiple devices to share a common bus without interference. Operating from 4.5V to 5.5V with 6mA sink and source current capability, it provides adequate drive for standard logic loads. The device is specified for -55°C to 125°C operation and is housed in a 20-CLCC ceramic package, making it ideal for military, aerospace, and other high-reliability applications.
- TTL-Compatible Inputs: Simplifies interfacing with legacy 5V TTL logic.
- Ceramic CLCC Package: Provides hermetic sealing for harsh environments.
- Wide Temperature Range: Operates from -55°C to 125°C for extreme conditions.
- 3-State Outputs: Enables bus sharing in multi-device systems.
5V Bus Transceiving
Use the 85506012A to connect two 5V digital buses in a system, providing bidirectional data flow with 3-state isolation when needed.
TTL-to-CMOS Level Bridging
As a 54HCT device, it accepts TTL-level inputs and drives CMOS outputs, making it ideal for mixed-logic systems.
High-Reliability Data Acquisition
In aerospace data acquisition units, this transceiver buffers sensor data lines, ensuring signal integrity over long cable runs.
Military Communication Systems
With a -55°C to 125°C range, it is suitable for military radios and radar systems requiring robust data exchange.
Industrial Process Controllers
Interface between a PLC and remote I/O modules, using the 3-state outputs to prevent bus conflicts during multi-drop communication.
Space-Grade Electronics
The ceramic CLCC package provides hermetic sealing, making it suitable for space applications where moisture resistance is critical.
- Q: What logic family does the 85506012A belong to?
- A: It is part of the 54HCT logic family, which combines high-speed CMOS with TTL compatibility.
- Q: What is the function of this device?
- A: It is a non-inverting octal bus transceiver with 3-state outputs for bidirectional data transfer.
- Q: How many channels does it have?
- A: It has 1 channel with 8-bit data width.
- Q: What is the output type?
- A: The outputs are 3-State, enabling connection to shared buses.
- Q: What is the voltage range?
- A: It operates from 4.5V to 5.5V, compatible with 5V logic systems.
- Q: What package is available?
- A: It comes in a 20-CLCC (ceramic leadless chip carrier) package.
85506012A.pdf
- Q: What logic family does the 85506012A belong to?
- A: It is part of the 54HCT logic family, which combines high-speed CMOS with TTL compatibility.
- Q: What is the function of this device?
- A: It is a non-inverting octal bus transceiver with 3-state outputs for bidirectional data transfer.
- Q: How many channels does it have?
- A: It has 1 channel with 8-bit data width.
- Q: What is the output type?
- A: The outputs are 3-State, enabling connection to shared buses.
- Q: What is the voltage range?
- A: It operates from 4.5V to 5.5V, compatible with 5V logic systems.
- Q: What package is available?
- A: It comes in a 20-CLCC (ceramic leadless chip carrier) package.