BU2098F View Datasheet(PDF) - ROHM Semiconductor

Part Name

Description

View to exact match

BU2098F

Serial / Parallel 2-input Drivers

ROHM Semiconductor 

BU2098F, BU2090F, BU2090FS

【BU2098F】

●AC characteristics (Unless otherwise noted, VDD=5V, VSS=0V, Ta=25℃)

Parameter

Symbol

Fast mode I2C BUS

Min.

Max.

SCL clock frequency

fSCL

0

400

Bus free time between start-stop condition tBUS

1.3

-

Hold time start condition

tHD:STA

0.6

-

Low period of the SCL clock

tLOW

1.3

-

High period of the SCL clock

tHIGH

0.6

-

Set up time Re-start condition

tSU:STA

0.6

-

Data hold time

tHD:DAT

0

0.9

Data set up time

tSU:DAT

100

-

Rise time of SDA and SCL

tR

20+0.1Cb

300

Fall time of SDA and SCL

tF

20+0.1Cb

300

Set up time stop condition

tSU:STO

0.6

-

Capacitive load for SDA line and SCL line

Cb

-

400

Technical Note

Standard mode I2C BUS

Unit

Min.

Max.

0

100

kHz

4.7

-

μs

4.0

-

μs

4.7

-

μs

4.0

-

μs

4.7

-

μs

0

-

μs

250

-

ns

-

1000

ns

-

300

ns

4.0

-

μs

-

400

pF

●Timing chart

SDA

tBUS

tHD:STA

SCL

P

tLOW tr

tf

S

tHD:STA

tHD:DAT

tSU:DAT tSU:STA

Sr

Fig.1 SDA, SCL timing chart

tSU:STO

P

www.rohm.com

© 2009 ROHM Co., Ltd. All rights reserved.

5/12

2009.06 - Rev.A

Share Link: