Cascade 4040 Ripple counter | Electronics Forum (Circuits, Projects and Microcontrollers)
4040 12-bit Counter | ResiSTORE
Voltage Sequencer for Moog Mother-32 Made from 4040 Counter, 4051 Multiplexer, and a 40106 Oscillator « Adafruit Industries – Makers, hackers, artists, designers and engineers!
SMD 4040: Counter, LP-Schottky, 3 ... 20 V, SO-16 bei reichelt elektronik