General Description

The MM74C912 display controllers are interface elements, with memory, that drive a 6-digit, 8-segment LED display.

The display controllers receive data information through 5 data inputs A, B, C, D and DP, and digit information through 3 address inputs K1, K2 and K3.

Features

■ Direct segment drive (100 mA typ.) 3-STATE

■ 6 registers addressed like RAM

■ Internal oscillator and scanning circuit

■ Direct base drive to digit transistor (20 mA typ.)

■ Internal segment decoder

■ TTL compatible inputs