Datasheet

Section 23B Clock Pulse Generator
(H8S/2633R, H8S/2695)
R01UH0166EJ0600 Rev. 6.00 Page 1013 of 1434
Mar 02, 2011
H8S/2633 Group, H8S/2633 F-ZTAT
TM
,
H8S/2633R F-ZTAT
TM
, H8S/2695
External Clock
Table 23B.4 and figure 23B.7 show the input conditions for the external clock.
Table 23B.4 External Clock Input Conditions
PV
CC
= 5.0 V ±10%
Item Symbol Min Max Unit Test Conditions
External clock input low
pulse width
t
EXL
15 — ns Figure 23B.7
External clock input high
pulse width
t
EXH
15 — ns
External clock rise time t
EXr
— 5 ns
External clock fall time t
EXf
— 5 ns
t
EXH
t
EXL
t
EXr
t
EXf
V
CC
× 0.5
EXTAL
Figure 23B.7 External Clock Input Timing