Serial-interfaced 6-digit LED controller with keyscan
Packing TypeTape And Reel
ROHS Compliance GradeEcopack2
Package NameSO-24
Key Features
  • A single LED digit output (DIG1_LED) can be used to drive up to 8 discrete LEDs
  • Inputs with Schmitt trigger give superior noise immunity
  • 5.0 V (± 10%) for VCC
  • 8-step dimming circuit to control brightness of individual LEDs for LED digit
  • Built-in power on reset and soft-start circuits
  • Drives common-anode LED digits
  • -40 °C to 85 °C operating temperature range
  • Available in SO24 package
  • 8-step dimming circuit to control the overall display brightness
  • 3-wire serial bus interface (CLK, STB, DIN/DOUT)
  • LED driver with 14 outputs (8 segments/6 digits)
  • Output pins connected directly to the LEDs or can be open-drain
  • 40 mA load current capability for each segment
  • Low power consumption in standby mode
  • Single external resistor for output current setting
  • Key-scanning (8 x 2 matrix)

The STLED316S 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 STLED316S drives up to 48 discrete LEDs in 8 segment/6 digit configuration while functioning from a supply voltage of 5.0V. Additionally it can be used to drive 8 discrete LEDs which form a part of LED digit. The individual LEDs are wired as segments of a digit and brightness of these individual LEDs can be controlled digitally. The maximum segment current for the display digits is set through a single external resistor. Individual digits may be addressed and updated without rewriting the entire display.

Additionally it includes key scanning for an 8x2 key matrix which automatically scans a matrix of up to 16 switches. STLED316S supports numerictype displays and reduces the overall BOM costs through high integration. Also it provides ESD protection of greater than 4 kV HBM.

The LED controller/driver is ideal as a peripheral device to interface the display with a singlechip microcomputer.

In stock:
Range Unit Price Savings
1 - 9$1.550%
10 - 99$1.3115%
100 - 499$0.9042%
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