Technical Note

4/14

BU95303

www.rohm.com

2010.10 - Rev.A

© 2010 ROHM Co., Ltd. All rights reserved.

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Electrical characteristics (AC)

Parameter

Symbol

Limits

Unit

Conditions

Min.

Typ.

Max.

Clock pulse width

tw

1/85MHz

-

-

ns

Clock pulse "H" period

th

5

-

-

ns

Clock pulse "L" period

tl

5

-

-

ns

Data setup time

tsu1

2

-

-

ns

Data hold time

thd1

0

-

-

ns

Start pulse setup time

tsu2

1

-

-

ns

Start pulse hold time

thd2

2

-

-

ns

Start pulse width

1

-

2

CLK period

Carry output delay time

tdc

-

-

11

ns

STB pulse width

1

-

-

CLK period

Final data timing

1

-

-

CLK period

Time between STB↑and start pulse↑

6

-

-

CLK period

Time between STB↑and CLK↓

4

-

-

ns

POL/STB setup time

tsp

14

-

-

ns

Output delay time

tdout

-

-

3

μs

LPC:normal

*1*3

-

-

5

μs

LPC:normal

*2*3

-

-

5

μs

LPC:low power

*1*3

-

-

7

μs

LPC:low power

*2*3

*1

The value is specified when the drive voltage value reaches the target output voltage level of 90%.

*2

The value is specified when the drive voltage value reaches the target output voltage level of 6-bit accuracy.

*3

Output load condition:

R1=R2=R3=10kΩ, C1=C2=C3=20pF

C1

C3

C2

R1

R3

R2

(Test Probe)

Output