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)