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Product Detailed Parameters
- Description：PROGRAMMABLE UNIVERSAL ASYNCHRON
- Series：*
- Mfr：Harris Corporation
- Package：Bulk
- Features：-
- Number of Channels：-
- FIFO's：-
- Protocol：-
- Data Rate (Max)：-
- Voltage - Supply：-
- With Auto Flow Control：-
- With IrDA Encoder/Decoder：-
- With False Start Bit Detection：-
- With Modem Control：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The CDP1854ADS2082 is a programmable universal asynchronous receiver/transmitter (UART) manufactured by Harris Corporation. It functions as a serial I/O controller supporting asynchronous communication protocols with NRZ data encoding. The device operates within a supply voltage range of 4V to 6.5V and supports a maximum data transmission rate of approximately 0.024 MBps. It features an 8-bit external data bus width and utilizes a 44-pin plastic quad flat pack (PQCC) package. The component is designed for embedded applications requiring reliable serial data handling.
Feature Summary
- Supports programmable asynchronous serial communication protocols
- Integrates an 8-bit external data bus interface
- Utilizes non-return-to-zero (NRZ) data encoding methods
- Operates within standard CMOS voltage specifications
Applications
- Embedded system serial data transmission
- Microcontroller peripheral communication interfaces
- Industrial control system data logging
- General-purpose asynchronous serial link implementation
Procurement Notes
Verify the specific suffix ADS2082 against official Harris documentation to confirm pinout and electrical characteristics. Ensure compatibility with existing 4V-6.5V power rails. Confirm package integrity for the 44-pin PQCC form factor. Check for RoHS compliance status if required by project regulations. Validate supplier authenticity through authorized distribution channels.
Selection Notes
Select this component when a dedicated UART solution is required for asynchronous serial communication in embedded environments. Consider its 8-bit bus width for direct microcontroller interfacing. Evaluate the 0.024 MBps speed limit against application throughput requirements. Ensure the operating temperature range meets environmental constraints. Verify package availability for PCB layout integration.
Part Context
The CDP1854 series represents a family of programmable UART controllers developed by Harris Corporation. These devices were designed to provide flexible serial communication capabilities for various computing and industrial applications. The ADS2082 variant specifically addresses needs for reliable asynchronous data transfer with integrated protocol handling, serving as a bridge between parallel microprocessor systems and serial communication lines.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Cross-reference with other Harris serial I/O controllers or industry-standard UART equivalents only after verifying electrical and pinout compatibility through official datasheets.
