* RC low-pass step response
V1 in 0 PULSE(0 1 0 1n 1n 1 2)
R1 in out 1k
C1 out 0 1u
.tran 0.1m 5m
.control
  run
  meas tran v5ms  FIND v(out) AT=5m
  meas tran trise TRIG v(out) VAL=0.1 RISE=1 TARG v(out) VAL=0.9 RISE=1
.endc
.end