R8C28_10 Datasheet, PDF (67/73 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MCU

R8C/28 Group, R8C/29 Group
5. Electrical Characteristics
Timing requirements
(Unless Otherwise Specified: VCC = 3 V, VSS = 0 V at Topr = 25°C) [VCC = 3 V]
Table 5.55 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.
100
−
ns
40
−
ns
40
−
ns
XIN input
tWH(XIN)
tC(XIN)
tWL(XIN)
Figure 5.31 XIN Input Timing Diagram when VCC = 3 V
Table 5.56 TRAIO Input
Symbol
tc(TRAIO)
tWH(TRAIO)
tWL(TRAIO)
TRAIO input cycle time
TRAIO input “H” width
TRAIO input “L” width
Parameter
VCC = 3 V
Standard
Unit
Min.
Max.
300
−
ns
120
−
ns
120
−
ns
TRAIO input
tWH(TRAIO)
tC(TRAIO)
tWL(TRAIO)
Figure 5.32 TRAIO Input Timing Diagram when VCC = 3 V
VCC = 3 V
Rev.2.10 Sep 26, 2008 Page 65 of 67
REJ03B0169-0210