Datasheet

R8C/L35C Group, R8C/L36C Group, R8C/L38C Group, R8C/L3AC Group 5. Electrical Characteristics
R01DS0095EJ0101 Rev.1.01 Page 67 of 72
Apr 15, 2011
Figure 5.8 External Clock Input Timing Diagram
Figure 5.9 Input Timing of TRAIO
Table 5.25 External Clock Input (XIN, XCIN)
(V
CC
= 1.8 to 5.5 V, V
SS
= 0 V, and T
opr
=
20 to 85
°
C (N version) /
40 to 85
°
C (D version),
unless otherwise specified.)
Symbol Parameter
Standard
Unit
V
CC
= 2.2V, Topr = 25
°
C
V
CC
= 3V, Topr = 25
°
CV
CC
= 5V, Topr = 25
°
C
Min. Max. Min. Max. Min. Max.
t
c(XIN) XIN input cycle time 200 50 50 ns
t
WH(XIN) XIN input “H” width 90 24 24 ns
t
WL(XIN) XIN input “L” width 90 24 24 ns
t
c(XCIN) XCIN input cycle time 14 14 14 µs
t
WH(XCIN) XCIN input “H” width 7 7 7 µs
t
WL(XCIN) XCIN input “L” width 7 7 7 µs
Table 5.26 Timing Requirements of TRAIO
(V
CC
= 1.8 to 5.5 V, V
SS
= 0 V and T
opr
=
20 to 85
°
C (N version) /
40 to 85
°
C (D version),
unless otherwise specified.)
Symbol Parameter
Standard
Unit
V
CC
= 2.2V, Topr = 25
°
C
V
CC
= 3V, Topr = 25
°
CV
CC
= 5V, Topr = 25
°
C
Min. Max. Min. Max. Min. Max.
t
c(TRAIO) TRAIO input cycle time 500 300 100 ns
t
WH(TRAIO) TRAIO input “H” width 200 120 40 ns
t
WL(TRAIO) TRAIO input “L” width 200 120 40 ns
External
Clock Input
tWH(XIN),
tWH(XCIN)
tC(XIN), tC(XCIN)
tWL(XIN), tWL(XCIN)
TRAIO input
tC(TRAIO)
tWL(TRAIO)
tWH(TRAIO)