7547 datasheet(77/91 Pages) RENESAS

77 / 91 page

Rev.1.21

Nov 15, 2006

page 77 of 89

REJ03B0156-0121

7547 Group

Switching Characteristics

Table 25 Switching characteristics (1)

(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)

tC(SCLK1)/2–30

–30

Min.

Typ.

Max.

Symbol

Parameter

Limits

Unit

tWH(SCLK1)

tWL(SCLK1)

td(SCLK1–TxD1)

tv(SCLK1–TxD1)

tr(SCLK1)

tf(SCLK1)

tr(CMOS)

tf(CMOS)

Serial I/O1, serial I/O2 clock output “H” pulse width

Serial I/O1, serial I/O2 clock output “L” pulse width

Serial I/O1, serial I/O2 output delay time

Serial I/O1, serial I/O2 output valid time

Serial I/O1, serial I/O2 clock output rising time

Serial I/O1, 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 26 Switching characteristics (2)

(VCC = 2.4 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)

Min.

Typ.

Max.

Symbol

Parameter

Limits

Unit

350

Note 1: Pin XOUT is excluded.

tWH(SCLK1)

tWL(SCLK1)

td(SCLK1–TxD1)

tv(SCLK1–TxD1)

tr(SCLK1)

tf(SCLK1)

tr(CMOS)

tf(CMOS)

Serial I/O1, serial I/O2 clock output “H” pulse width

Serial I/O1, serial I/O2 clock output “L” pulse width

Serial I/O1, serial I/O2 output delay time

Serial I/O1, serial I/O2 output valid time

Serial I/O1, serial I/O2 clock output rising time

Serial I/O1, serial I/O2 clock output falling time

CMOS output rising time (Note 1)

CMOS output falling time (Note 1)

tC(SCLK1)/2–50

–30

140

Table 27 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.

Switching characteristics measurement circuit diagram

/ / /

Measured

output pin

CMOS output

100 pF

tWH(SCLK1)

tWL(SCLK1)

td(SCLK1–TxD1)

tv(SCLK1–TxD1)

tr(SCLK1)

tf(SCLK1)

tr(CMOS)

tf(CMOS)

Serial I/O1, serial I/O2 clock output “H” pulse width

Serial I/O1, serial I/O2 clock output “L” pulse width

Serial I/O1, serial I/O2 output delay time

Serial I/O1, serial I/O2 output valid time

Serial I/O1, serial I/O2 clock output rising time

Serial I/O1, serial I/O2 clock output falling time

CMOS output rising time (Note 1)

CMOS output falling time (Note 1)

tC(SCLK1)/2–70

–30

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