BH6172GU_11 ROHM [Rohm], BH6172GU_11 Datasheet - Page 9

• Manufacturer Part Number: BH6172GU_11
• Description: System Regulator with High Efficiency DC/DC Converters
• Manufacturer: ROHM [Rohm]

●I
© 2011 ROHM Co., Ltd. All rights reserved.
BH6172GU
www.rohm.com
2
C Bus AC specification
(INPUT)
CLK clock frequency
CLK clock “low” time
CLK clock “high” time
Bus free time
Start condition hold time
Start condition setup time
Data input hold time
Data input setup time
Stop condition setup time
DATA
CLK
Characteristics
(INPUT)
DATA
CLK
Write data input
D
O
t
SU.STA
Acknowledge output
t
HD.STA
t
F
tHD.STA
tHD.DAT
tSU.DAT
tSU.STO
tSU.STA
Symbol
tHIGH
tLOW
tBUF
fCLK
Fig.6 Bus timing 1
Fig.7 Bus timing 2
t
HIGH
Stop condition
t
9/16
HD.DAT
t
LOW
t
Min.
SU.DAT
100
1.3
0.6
1.3
0.6
0.6
0.6
0
0
t
WR
Max.
400
-
-
-
-
-
-
-
-
t
R
Start condition
t
SU.STO
Unit
kHz
µs
µs
µs
µs
µs
µs
ns
ns
t
BUF
Technical Note
2011.03 - Rev.A