bh2226fv ROHM Co. Ltd., bh2226fv Datasheet - Page 3

• Manufacturer Part Number: bh2226fv
• Description: Expansion Port Function Built In 8 Bit 8chd/a Converter
• Manufacturer: ROHM Co. Ltd.

●Timing Chart
●Terminal Description / Block Diagrams
(BH2226FV)
No.
10
12
13
14
15
16
11
1
2
3
4
5
6
7
8
9
（Unless otherwise specified, VCC=3.0V, RL=OPEN, CL=0pF, Ta=25℃）
CLK L level time
CLK H level time
DI setup time
DI hold time
Parallel input setup time
Parallel input hold time
CSB setup time
CSB hold time
CSB H level time
D/A output settling time
Parallel output delay time
Serial output delay time
Terminal
RESET
TEST
name
GND
VCC
CSB
DA1
DA2
DA3
DA4
DA5
DA6
DA7
DA8
CLK
SO
DI
Parameter
Power source terminal
Reset terminal
Test terminal (normal connected to GND)
Chip select signal input terminal
Serial clock input terminal
Serial data input terminal
Serial data output terminal
Ground terminal
I/O input output terminal
Analog output terminal /
Symbol
tCSBH
tCLKH
thCSB
tpOUT
tsOUT
Function
tCLKL
tsCSB
tOUT
thDI
tsDI
tsPI
thPI
MIN.
50
50
20
40
20
40
50
50
50
-
-
-
Fig.1
3/8
Limits
TYP.
-
-
-
-
-
-
-
-
-
-
-
-
DA1
DA2
DA4
DA8
DA3
DA5
DA6
DA7
1
2
3
4
5
6
7
8
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
MAX.
100
600
350
-
-
-
-
-
-
-
-
-
R2R
R2R
R2R
R2R
R2R
R2R
R2R
R2R
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
Unit
REG
REG
REG
REG
REG
REG
REG
REG
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
Fig.2
CL=50pF,RL=10kΩ
CL=50pF,RL=10kΩ
CL=50pF,RL=10kΩ
PowerOn
Interface
Reset
Serial
Conditions
VCC
VCC
VCC
16 GND
15
14
13 CLK
12 CSB
10 RESETB
11 TEST
9
VCC
SO
DI