R8C datasheet(45/50 Pages) RENESAS

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REJ03B0320-0010 Rev.0.10

Page 45 of 47

Jul 12, 2010

R8C/3JT Group

5. Electrical Characteristics

Under development Preliminary document

Specifications in this document are tentative and subject to change.

Timing requirements

(Unless Otherwise Specified: Vcc = 2.2 V, Vss = 0 V at Topr = 25

°C)

Figure 5.12

External Clock Input Timing Diagram when Vcc = 2.2 V

Figure 5.13

TRAIO Input Timing Diagram when Vcc = 2.2 V

Table 5.27

External Clock Input (XOUT)

Symbol

Parameter

Standard

Unit

Min.

Max.

tc(XOUT)

XOUT input cycle time

200

—

tWH(XOUT)

XOUT input “H” width

—

tWL(XOUT)

XOUT input “L” width

—

Table 5.28

TRAIO Input

Symbol

Parameter

Standard

Unit

Min.

Max.

tc(TRAIO)

TRAIO input cycle time

500

—

tWH(TRAIO)

TRAIO input “H” width

200

—

tWL(TRAIO)

TRAIO input “L” width

200

—

Vcc = 2.2 V

External

clock input

tC(XOUT)

tWH(XOUT)

tWL(XOUT)

Vcc = 2.2 V

TRAIO input

tC(TRAIO)

tWH(TRAIO)

tWL(TRAIO)

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