(c) 2023 Harald Pretl and Jakob Ratschenberger, Institute for Integrated Circuits, Johannes Kepler University, Linz, Austria
Analog test macro (500kHz ring oscillator and 3-bit R-2R DAC) for TinyTapeout 05.
Nominal supply voltage: 1.8V
Two test outputs:
- Clock output (rail-rail) at ca. 500kHz
- DAC voltage vout=1.8V / 8 * in (0...7)
Top schematic cell: xschem/tt_um_tt05_analog_test.sch
Layout: mag/tt_um_tt05_analog_test.mag