R8C-20 Datasheet, PDF (35/45 Pages) Renesas Technology Corp – MCU

R8C/20 Group, R8C/21 Group
5. Electrical Characteristics
Timing Requirements (Unless Otherwise Specified: VCC = 5 V, VSS = 0 V at Topr = 25°C) [VCC = 5 V]
Table 5.16 XIN Input
Symbol
tc(XIN)
tWH(XIN)
tWL(XIN)
XIN input cycle time
XIN input “H” width
XIN input “L” width
Parameter
Standard
Unit
Min.
Max.
50
−
ns
25
−
ns
25
−
ns
XIN input
tWH(XIN)
tc(XIN)
tWL(XIN)
Figure 5.8 XIN Input Timing Diagram when VCC = 5 V
Table 5.17 TRAIO Input
Symbol
tc(TRAIO)
tWH(TRAIO)
tWL(TRAIO)
TRAIO input cycle time
TRAIO input “H” width
TRAIO input “L” width
Parameter
Vcc = 5V
Standard
Unit
Min.
Max.
100
−
ns
40
−
ns
40
−
ns
TRAIO input
tWH(TRAIO)
tc(TRAIO)
tWL(TRAIO)
Figure 5.9 TRAIO Input Timing Diagram when VCC = 5 V
Vcc = 5V
Rev.2.00 Aug 27, 2008 Page 35 of 41
REJ03B0120-0200