The TL16C550DIZQSR is a sophisticated Universal Asynchronous Receiver Transmitter (UART) integrated circuit developed by Texas Instruments, specifically designed to facilitate efficient serial communication in electronic systems. This high-performance interface device addresses critical communication challenges by providing robust asynchronous data transmission capabilities across various electronic applications.
The UART offers exceptional flexibility with its versatile design, supporting voltage ranges from 2.25V to 5.5V and achieving impressive data transmission speeds up to 1 Mbps. Its advanced feature set includes a 16-byte FIFO buffer, which enhances data handling efficiency and reduces processing overhead. Notably, the device incorporates sophisticated communication management features such as auto flow control, false start bit detection, and comprehensive modem control functionality.
Engineered in a compact 24-BGA MICROSTAR JUNIOR (3x3) surface mount package, this integrated circuit is optimized for space-constrained electronic designs. Its RoHS3 compliance ensures environmental sustainability and adherence to modern electronic manufacturing standards. The single-channel UART is particularly well-suited for telecommunications equipment, embedded systems, industrial control interfaces, and computer peripheral interconnections.
The device's key advantages include its high-speed data transmission, robust error detection mechanisms, flexible voltage compatibility, and compact form factor. Its surface mount configuration enables seamless integration into modern electronic systems, making it an ideal solution for engineers seeking reliable serial communication interfaces.
Equivalent or alternative models in this product category include Texas Instruments' TL16C550C, TL16C552, and similar UART interface components from manufacturers like Exar Corporation and Silicon Laboratories. These alternative models offer comparable functionality with slight variations in specific performance parameters.
The TL16C550DIZQSR represents a sophisticated, reliable solution for designers requiring efficient, high-performance serial communication interfaces across diverse electronic applications.
TL16C550DIZQSR (1)
TL16C550DIZQSR Key Technical Attributes
Manufacturer Texas Instruments Luminary Micro
Manufacturer Part Number TL16C550DIZQSR
Main category Integrated Circuits ICs
Subcategory Interface UARTs Universal Asynchronous Receiver Transmitter
Base product number TL16C
Single channel 1 UART
Supply voltage range 2.25 V to 5.5 V
Maximum data rate 1 Mbps
FIFO depth 16 bytes transmit and receive
Auto flow control RTS CTS supported
False start bit detection supported
Modem control supported
Mounting type surface mount
Package 24 BGA MicroStar Junior 3 x 3 mm
Supplier device package 24 VFBGA MicroStar Junior
RoHS status ROHS3 compliant
Shipment format Tape and Reel TR
TL16C550DIZQSR Packing Size
Package family 24 ball VFBGA MicroStar Junior 3 x 3 mm compact footprint
Materials lead free SAC solder balls RoHS compliant epoxy mold compound organic substrate typical of TI MicroStar Junior
Ball configuration 24 balls fine pitch compact matrix consult datasheet for exact ball map and signal assignment
Pin functions core UART pins TXD RXD RTS CTS DTR DSR DCD RI oscillator pins XIN XOUT power and ground plus host bus interface pins as defined by the 16C550 architecture
Handling and packing Tape and Reel TR per EIA 481 ready for automated pick and place dry packed per JEDEC moisture sensitivity labeling
Reflow profile compatible with JEDEC J STD 020 lead free reflow observe manufacturer peak temperature limits and time above liquidus
Thermal characteristics very low mass 3 x 3 mm BGA with short thermal paths ensure adequate copper pours around VCC and GND for heat spreading and stable PLL oscillator behavior
Electrical properties CMOS TTL compatible I O over 2.25 V to 5.5 V wide supply range robust digital switching with low dynamic power in small geometry BGA
TL16C550DIZQSR Application
UART expansion for MCUs and MPUs in embedded designs
Bridging to RS 232 RS 485 RS 422 networks through external line transceivers
Console and debug ports for routers gateways switches and base stations
Point of sale systems printers scanners kiosks ticketing and ATM peripherals
Modems GPS GNSS modules and wireless modules Bluetooth Wi Fi cellular
Industrial automation PLC HMIs motor drives building controls energy meters
Test and measurement data loggers medical instrumentation non life support
TL16C550DIZQSR Features
- Industry standard 16C550 compatible UART with deep 16 byte transmit and 16 byte receive FIFOs that reduce CPU interrupt load and improve throughput at higher baud rates
- Programmable baud rate generator supporting a wide range of common baud rates up to 1 Mbps with fractional divisors derived from the reference clock
- Flexible frame format selection including 5 6 7 or 8 data bits 1 1.5 or 2 stop bits and parity options none even odd or forced stick parity
- Automatic hardware flow control using RTS CTS to prevent FIFO overruns under heavy traffic conditions with programmable trigger levels
- False start bit detection to reject noise induced start bits improving robustness in electrically noisy environments
- Full modem control interface typically including CTS RTS DSR DTR DCD and RI plus loopback mode for board bring up and diagnostics
- Comprehensive interrupt system with interrupt identification and prioritization for receiver line status received data available character timeout transmitter holding register empty and modem status
- Break generation and detection parity framing and overrun error detection with status bits latched in the line status register
- Software compatible fallback to 16C450 mode for legacy driver support while retaining enhanced FIFO functions when enabled
- Wide supply range 2.25 V to 5.5 V enabling direct interface to 2.5 V 3.3 V and 5 V logic domains without level shifters in many systems
- Low power operation with idle and sleep capabilities typical of the 550D family helping extend battery life in portable designs
- Small 3 x 3 mm MicroStar Junior VFBGA enabling dense layouts short interconnects and reduced EMI compared to larger leaded packages
TL16C550DIZQSR Quality and Safety Features
- ROHS3 compliant lead free construction with halogen free materials typically available aligning with modern environmental directives
- Industrial temperature grade device corresponding to the I designator suitable for deployment in harsh environments when used within datasheet limits
- Moisture sensitivity labeling and dry pack handling per JEDEC practices to protect solderability and long term reliability
- Built in protection structures on I O pins consistent with TI interface devices helping with ESD robustness and latch up immunity per industry standards
- JEDEC compliant assembly and reflow guidance ensuring consistent quality in high volume SMT manufacturing lines
TL16C550DIZQSR Compatibility
- Register and programming model compatible with the industry standard 16C550 UART and backward aware of 16C450 behavior easing firmware reuse
- Works with popular external line drivers and transceivers for different physical layers including TI TRS3232 SN65C3221 for RS 232 and SN65HVD SN65HVD7x families for RS 485 RS 422
- Suitable for universal connection to 8 bit microprocessors microcontrollers and SoCs that map the UART registers into I O or memory space using standard chip select read write and interrupt lines as defined in the datasheet
- Voltage domain friendly thanks to the 2.25 V to 5.5 V supply range enabling direct interfacing in mixed voltage systems with minimal glue logic
- Drop in functional replacement within many 16C550 based designs when the ball map and timing are observed consult the datasheet for exact pinout and timing compatibility
TL16C550DIZQSR Datasheet PDF
IC Components provides the most authoritative and up to date datasheet for TL16C550DIZQSR on this product page. For accurate pin maps electrical characteristics timing diagrams recommended operating conditions and reflow guidelines download the official datasheet from this page before finalizing your schematic footprint and assembly profile.
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