7540 datasheet(233/366 Pages) RENESAS

233 / 366 page

3-11

REJ09B0018-0200Z

Rev.2.00

Jun 21, 2004

7540 Group

APPENDIX

3.1 Electrical characteristics

Table 3.1.12

Switching characteristics (3)

(VCC = 2.2 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)

Min.

Typ.

Max.

Symbol

Parameter

Limits

Unit

450

Note 1: Pin XOUT is excluded.

Fig. 3.1.1

Switching characteristics measurement

circuit diagram (General purpose)

/ / /

Measured

output pin

CMOS output

100 pF

tWH(SCLK1)

tWL(SCLK1)

td(SCLK1–TxD1)

tv(SCLK1–TxD1)

tr(SCLK1)

tf(SCLK1)

tWH(SCLK2)

tWL(SCLK2)

td(SCLK2–SDATA2)

tv(SCLK2–SDATA2)

tr(SCLK2)

tf(SCLK2)

tr(CMOS)

tf(CMOS)

Serial I/O1 clock output “H” pulse width

Serial I/O1 clock output “L” pulse width

Serial I/O1 output delay time

Serial I/O1 output valid time

Serial I/O1 clock output rising time

Serial I/O1 clock output falling time

Serial I/O2 clock output “H” pulse width

Serial I/O2 clock output “L” pulse width

Serial I/O2 output delay time

Serial I/O2 output valid time

Serial I/O2 clock output rising time

Serial I/O2 clock output falling time

CMOS output rising time (Note 1)

CMOS output falling time (Note 1)

tC(SCLK1)/2–70

–30

tC(SCLK2)/2–70

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