NEC mPD75512 Datasheet page 53

AC TIMING TEST POINT (excluding X1 and XT1 inputs)
CLOCK TIMING
X1 input
XT1 input
TI0 TIMING
TI0
0.8 V
DD
Test points
0.2 V
DD
1/f
X
t
XL
1/f
XT
t
XTL
1/f
TI
t
TIL
0.8 V
DD
0.2 V
DD
t
XH
V –0.5V
DD
0.4 V
t
XTH
V –0.5V
DD
0.4 V
t
TIH
µ PD75512
53