SC28L194A1A-T Overview
The PLCC package is the most cost-effective.Transmission uses 4 channels.Its uPs/uCs/Peripheral ICs type is SERIAL IO/COMMUNICATION CONTROLLER, SERIAL.As part of its configuration, it uses 68 terminations.UART operates on 5V supply voltage.As a way to communicate data, the board has 4 serial I/Os.There are 68 pins on this electronic device.33MHz is the clock frequency of this integrated circuit.UART is important that the operating temperature does not exceed -40°C in order for the machine to perform normally for a long time.It is important to keep the operating temperature below 85°C to ensure a long working period.When the supply voltage is kept below 5.5V, reliability can be assured.Keeping the supply voltage above 3V ensures reliability.5V is the supply voltage provided for high-efficiency operation.Additionally, it is capable of performing ALSO OPERATES AT 3.3V SUPPLY AT 20 MHZ.Data can be transferred through 4 I/Os.
SC28L194A1A-T Features
4 serial I/Os
Clock frequency of 33MHz
Operating supply voltage of 5V
ALSO OPERATES AT 3.3V SUPPLY AT 20 MHZ
4 I/Os

SC28L194A1A-T Applications
There are a lot of NXP Semiconductors / Freescale
SC28L194A1A-T UARTs applications.

Portable and battery operated devices
Cellular data devices
Industrial computing
Communications equipment
White goods
Battery Operated Electronics
Handheld Terminal
Personal Digital Assistants
Cellular Phones DataPort
Wireless Infrared Data Communications Systems

Package / Case	PLCC
Surface Mount	YES
JESD-609 Code	e3
Moisture Sensitivity Level (MSL)	4 (72 Hours)
Number of Terminations	68
Terminal Finish	TIN
Max Operating Temperature	85°C
Min Operating Temperature	-40°C
Additional Feature	ALSO OPERATES AT 3.3V SUPPLY AT 20 MHZ
Terminal Position	QUAD
Terminal Form	J BEND
Peak Reflow Temperature (Cel)	245
Supply Voltage	5V
Terminal Pitch	1.27mm
Time@Peak Reflow Temperature-Max (s)	30
Pin Count	68
JESD-30 Code	S-PQCC-J68
Qualification Status	Not Qualified
Operating Supply Voltage	5V
Temperature Grade	INDUSTRIAL
Number of Channels	4
Max Supply Voltage	5.5V
Min Supply Voltage	3V
Number of I/O	4
Nominal Supply Current	30mA
uPs/uCs/Peripheral ICs Type	SERIAL IO/COMMUNICATION CONTROLLER, SERIAL
Clock Frequency	33MHz
Data Rate	460.8 kbps
Address Bus Width	7
Boundary Scan	NO
Low Power Mode	YES
External Data Bus Width	8
RAM (words)	0
Number of Serial I/Os	4
Data Transfer Rate-Max	0.125 MBps
Communication Protocol	ASYNC, BIT
Data Encoding/Decoding Method	NRZ
RoHS Status	RoHS Compliant
Lead Free	Lead Free