UL319B Datasheet - UTC

UL319B SERIAL-INTERFACED 14-DIGIT LED CONTROLLER

The UL319B is a compact LED controller and driver that interface microprocessors to LED displays through a serial 3-wire interface. It drives LED connected in common anode configuration. The UL319B drives up to 112 discrete LEDs in 14 segment/8 digit configuration while functioning from a supply vol.

UL319B Features

* LED driver with 22 outputs (14 segments/8 digits)

* Output pins connected directly to the LEDs

* Key-scanning (8 x 2 matrix)

* 3-wire serial bus interface (CLK, STB, DI/O)

* 8-step dimming circuit to control the overall display brightness

* ORDERING INFORMATION Ordering N

UL319B Datasheet (270.11 KB)