UPD75P3018 Datasheet, PDF (42/60 Pages) NEC – 4-BIT SINGLE-CHIP MICROCONTROLLER

AC Timing Test Points (except X1 and XT1 inputs)
µPD75P3018
VIH
VOH
Test points
VIL
VOL
Clock Timing
X1 input
1/fX
tXL
tXH
VDD–0.1 V
0.1 V
XT1 input
TI0, TI1, TI2 Timing
TI0, TI1, TI2
1/fXT
tXTL
tXTH
VDD–0.1 V
0.1 V
1/fTI
tTIL
tTIH
42