BU8272GUW ROHM Co. Ltd., BU8272GUW Datasheet - Page 5

• Manufacturer Part Number: BU8272GUW
• Description: Gpio Expander Ic
• Manufacturer: ROHM Co. Ltd.

● Electrical Specification
© 2009 ROHM Co., Ltd. All rights reserved.
BU8272GUW
www.rohm.com
VDD=1.8V, VDDIO=3.0V, VDDI2C=3.0V, Ta=25
Input H Voltage
Input L Voltage
Input H Current
Input L Current
Output H Voltage
Output L Voltage
SCL clk frequency
Bus free time
（repeat）Start condition
（repeat）Start condition
SCL Low Time
SCL High Time
Data Setup Time
Data Hold Time
Stop condition
Setup Time
Interrupt Valid
Interrupt Reset
Output Data Valid
Input Data Setup Time
Input Data Hold Time
Standby Current
Setup Time
Hold Time
Item
tSU:STO
tSU:STA
tHD:STA
tSU:DAT
tHD:DAT
Symbol
tHIGH
tLOW
fSCL
tBUF
I
V
tDV
tDS
tDH
V
STBY
V
tIR
V
tIV
I
I
IH
OH
IL
OL
IH
IL
0.75xVDDIO
VDDIO－0.2
o
C，without output load conditions
Min.
100
100
1.3
0.6
0.6
1.3
0.6
0.6
-3
0
0
0
-
-
-
-
-
-
-
5/17
Typ.
Limit
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.25xVDDIO
Max.
400
0.2
0.1
1.0
0.8
3.0
3
0
-
-
-
-
-
-
-
-
-
-
-
-
KHz
Unit
A
A
A
s
s
s
s
s
s
s
s
s
s
ns
ns
ns
V
V
V
V
Technical Note
2009.09 - Rev.A
I
I
OH
comment
OL
=-1.0mA
=1.0mA
-
-
-
-