R8C/36T-A Group 4. Electrical Characteristics
R01DS0055EJ0100 Rev.1.00 Page 54 of 58
Dec 09, 2011
Figure 4.7 External Clock Input Timing Diagram
Figure 4.8 Input Timing of TRJIO
Table 4.22 External Clock Input (XOUT, XCIN)
Symbol Parameter
Standard
Unit
Vcc = 2.2 V, Topr = 25°C Vcc = 3 V, Topr = 25°C Vcc = 5 V, Topr = 25°C
Min. Max. Min. Max. Min. Max.
t
c(XOUT) XOUT input cycle time 200 ― 50 ― 50 ― ns
t
WH(XOUT) XOUT input high width 90 ― 24 ― 24 ― ns
t
WL(XOUT) XOUT input low width 90 ― 24 ― 24 ― ns
t
c(XCIN) XCIN input cycle time 14 ― 14 ― 14 ―μs
t
WH(XCIN) XCIN input high width 7 ― 7 ― 7 ―μs
t
WL(XCIN) XCIN input low width 7 ― 7 ― 7 ―μs
Table 4.23 Timing Requirements of TRJIO
Symbol Parameter
Standard
Unit
Vcc = 2.2 V, Topr = 25°C Vcc = 3 V, Topr = 25°C Vcc = 5 V, Topr = 25°C
Min. Max. Min. Max. Min. Max.
t
c(TRJIO) TRJIO input cycle time 500 ― 300 ― 100 ― ns
t
WH(TRJIO) TRJIO input high width 200 ― 120 ― 40 ― ns
t
WL(TRJIO) TRJIO input low width 200 ― 120 ― 40 ― ns
External
Clock Input
tWH(XOUT),
tWH(XCIN)
tC(XOUT), tC(XCIN)
tWL(XOUT), tWL(XCIN)
TRJIO input
tC(TRJIO)
tWL(TRJIO)
tWH(TRJIO)
