Datasheet

R8C/28 Group, R8C/29 Group 5. Electrical Characteristics
Rev.2.10 Sep 26, 2008 Page 41 of 67
REJ03B0169-0210
Timing requirements
(Unless Otherwise Specified: V
CC = 3 V, VSS = 0 V at Topr = 25°C) [VCC = 3 V]
Figure 5.12 XIN
Input and XCIN Input Timing Diagram when VCC = 3 V
Figure 5.13 TRAIO Input Timing Diagram when V
CC = 3 V
Table 5.24 XIN
Input, XCIN Input
Symbol Parameter
Standard
Unit
Min. Max.
t
c(XIN) XIN input cycle time 100 − ns
t
WH(XIN) XIN input “H” width 40 − ns
t
WL(XIN) XIN input “L” width 40 − ns
t
c(XCIN) XCIN input cycle time 14 −µs
t
WH(XCIN) XCIN input “H” width 7 −µs
t
WL(XCIN) XCIN input “L” width 7 −µs
Table 5.25 TRAIO Input
Symbol Parameter
Standard
Unit
Min. Max.
t
c(TRAIO) TRAIO input cycle time 300 − ns
t
WH(TRAIO) TRAIO input “H” width 120 − ns
t
WL(TRAIO) TRAIO input “L” width 120 − ns
XIN input
tWH(XIN)
tC(XIN)
tWL(XIN)
VCC = 3 V
TRAIO input
VCC = 3 V
tC(TRAIO)
tWL(TRAIO)
tWH(TRAIO)