38K2 datasheet(272/358 Pages) RENESAS

272 / 358 page

3.1 Electrical characteristics (L.Ver)

Rev.2.00

Oct 15, 2006

page 11 of 99

38K2 Group

REJ09B0338-0200

APPENDIX

3.1.6 Switching Characteristics (L.Ver)

Table 3.1.11 Switching characteristics (1) (VCC = 4.00 to 5.25 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)

Min.

Typ.

Max.

Symbol

Parameter

Limits

Unit

tWH(SCLK)

tWL(SCLK)

td(SCLK–TxD)

tv(SCLK–TxD)

tr(SCLK)

tf(SCLK)

tr(CMOS)

tf(CMOS)

Serial I/O clock output “H” pulse width

Serial I/O clock output “L” pulse width

Serial I/O output delay time

Serial I/O output valid time

Serial I/O clock output rising time

Serial I/O clock output falling time

CMOS output rising time (Note)

CMOS output falling time (Note)

–30

Notes: Pins XOUT, D0+, D0-, D1+, D2-, D2+, D2- are excluded.

tC(SCLK)/2–30

140

Min.

Typ.

Max.

Symbol

Parameter

Limits

Unit

tWH(SCLK)

tWL(SCLK)

td(SCLK–TxD)

tv(SCLK–TxD)

tr(SCLK)

tf(SCLK)

tr(CMOS)

tf(CMOS)

Serial I/O clock output “H” pulse width

Serial I/O clock output “L” pulse width

Serial I/O output delay time

Serial I/O output valid time

Serial I/O clock output rising time

Serial I/O clock output falling time

CMOS output rising time (Note)

CMOS output falling time (Note)

–30

Notes: Pins XOUT, D0+, D0-, D1+, D2-, D2+, D2- are excluded.

tC(SCLK)/2–50

350

Table 3.1.12 Switching characteristics (2) (VCC = 3.00 to 4.00 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)

Fig. 3.1.1 Output switching characteristics measurement circuit

100 pF

Measured output pin

CMOS output

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