R2S15902FP データシートの表示（PDF） - Renesas Electronics

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R2S15902FP

6ch Electronic Volume with 4 Input Selector

Renesas Electronics 

R2S15902FP

Relationship Between Data and Clock

Data signal is read at the rising edge of CLOCK.

DATA

D0

D1

D2

D3

Make "H" at the timing which

DATA of D0-D23 make latch.

D21

D22

D23

CLOCK

When DATA is "H", latch signal is

created at the falling edge of CLOCK.

When CLOCK is "L" and latch signal is created,

latch signal is read at the falling edge of DATA.

Clock and Data Timings

DATA

(D0 to D23)

t cr

75%

25%

75%

50%

25%

CLOCK

tSLD tHLD tSHD tHHD

tr

tf

tWHC

tWLC

LATCH

tSLD tHLD

tSC

Timing Definition of Digital Block

Parameter

CLOCK cycle time

CLOCK pulse width ("H" level)

CLOCK pulse width ("L" level)

Rising time of clock and data

Falling time of clock and data

DATA setup time (Rising time of clock)

DATA setup time (Falling time of clock)

DATA hold time ("H" level)

DATA hold time ("L" level)

CLOCK setup time

Symbol

tcr

tWHC

tWLC

tr

tf

tSHD

tSLD

tHHD

tHLD

tSC

Limits

Min

Typ

Max

Unit

8

⎯

⎯

3.2

⎯

⎯

3.2

⎯

⎯

⎯

⎯

0.8

⎯

⎯

0.8

µs

1.6

⎯

⎯

1.6

⎯

⎯

1.6

⎯

⎯

1.6

⎯

⎯

1.6

⎯

⎯

Rev.1.0 Nov 22, 2005 page 5 of 15

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