Datasheet

R8C/24 Group, R8C/25 Group 5. Electrical Characteristics
Rev.3.00 Feb 29, 2008 Page 49 of 51
REJ03B0117-0300
Timing requirements
(Unless Otherwise Specified: V
CC = 2.2 V, VSS = 0 V at Topr = 25°C) [VCC = 2.2 V]
Figure 5.16 XIN
Input and XCIN Input Timing Diagram when VCC = 2.2 V
Figure 5.17 TRAIO Input Timing Diagram when V
CC = 2.2 V
Table 5.30 XIN
Input, XCIN Input
Symbol Parameter
Standard
Unit
Min. Max.
t
c(XIN) XIN input cycle time 200 ns
t
WH(XIN) XIN input “H” width 90 ns
t
WL(XIN) XIN input “L” width 90 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 5.31 TRAIO Input
Symbol Parameter
Standard
Unit
Min. Max.
t
c(TRAIO) TRAIO input cycle time 500 ns
t
WH(TRAIO) TRAIO input “H” width 200 ns
t
WL(TRAIO) TRAIO input “L” width 200 ns
XIN input
tWH(XIN)
tC(XIN)
tWL(XIN)
VCC = 2.2 V
XCIN input
tWH(XCIN)
tC(XCIN)
tWL(XCIN)
TRAIO input
tC(TRAIO)
tWL(TRAIO)
tWH(TRAIO)
VCC = 2.2 V