7540 datasheet(242/366 Pages) RENESAS

242 / 366 page

3-20

REJ09B0018-0200Z

Rev.2.00

Jun 21, 2004

APPENDIX

7540 Group

3.1 Electrical characteristics

Fig. 3.1.3

Switching characteristics measurement

circuit diagram (Extended operating

temperature)

/ / /

Measured

output pin

CMOS output

100 pF

(6) Switching Characteristics (Extended operating temperature version)

Table 3.1.21 Switching characteristics (1)

(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –40 to 85 °C, unless otherwise noted)

tC(SCLK1)/2–30

–30

tC(SCLK2)/2–30

Min.

Typ.

Max.

Symbol

Parameter

Limits

Unit

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)

Note 1: Pin XOUT is excluded.

Table 3.1.22 Switching characteristics (2)

(VCC = 2.4 to 5.5 V, VSS = 0 V, Ta = –40 to 85 °C, unless otherwise noted)