Overview
The TL16C450FNG4, produced by Texas Instruments, is a CMOS version of an asynchronous communications element (ACE). It functions as a serial input/output interface in microcomputer systems, performing serial-to-parallel and parallel-to-serial data conversions. This component is designed to interface with most popular microprocessors and includes a fully prioritized interrupt system, modem control functions, and internal diagnostic capabilities.
Key Specifications
| Parameter | Description |
|---|---|
| Package Type | 44-PLCC |
| Operating Temperature | 0 to 70°C |
| Baud Rate Generator | Programmable, divides reference clock by 1 to (2^16 - 1) |
| Modem Control | CTS, RTS, DSR, DTR, RI, and DCD |
| Interrupt System | Fully prioritized, software-tailored |
| Diagnostic Capabilities | Loopback controls, break, parity, overrun, framing error simulation |
Key Features
- Serial-to-parallel and parallel-to-serial data conversion
- Programmable baud rate generator with 16× clock for transmitter and receiver logic
- Complete modem control capability
- Fully prioritized interrupt system
- Internal diagnostic capabilities including loopback controls and error simulation
- Easily interfaces with most popular microprocessors
Applications
The TL16C450FNG4 is suitable for various applications requiring serial communication interfaces, such as:
- Microcomputer systems
- Embedded systems requiring serial I/O
- Modem and serial communication devices
- Industrial control systems
- Communication networks and peripherals
Q & A
- What is the primary function of the TL16C450FNG4?
The TL16C450FNG4 functions as a serial input/output interface, performing serial-to-parallel and parallel-to-serial data conversions. - What type of package does the TL16C450FNG4 come in?
The TL16C450FNG4 comes in a 44-PLCC package. - What is the operating temperature range of the TL16C450FNG4?
The operating temperature range is 0 to 70°C. - Does the TL16C450FNG4 have a programmable baud rate generator?
Yes, it has a programmable baud rate generator that can divide the reference clock by divisors from 1 to (2^16 - 1). - What modem control functions does the TL16C450FNG4 support?
The TL16C450FNG4 supports CTS, RTS, DSR, DTR, RI, and DCD modem control functions. - What kind of interrupt system does the TL16C450FNG4 have?
The TL16C450FNG4 has a fully prioritized interrupt system that can be software-tailored. - Does the TL16C450FNG4 have internal diagnostic capabilities?
Yes, it includes loopback controls and simulation for break, parity, overrun, and framing errors. - Can the TL16C450FNG4 interface with most microprocessors?
Yes, it is designed to easily interface with most popular microprocessors. - What are some common applications for the TL16C450FNG4?
Common applications include microcomputer systems, embedded systems, modem and serial communication devices, industrial control systems, and communication networks and peripherals. - Is the TL16C450FNG4 a replacement for other components?
Yes, it is a faster plug-in replacement for the National Semiconductor NS16C450.
