![](http://datasheet.mmic.net.cn/280000/HD404652_datasheet_16064600/HD404652_36.png)
HD404654 Series
36
D
4
–D
9
, R port
MIS3
Input control signal
V
CC
Pull-up
MOS
DCD, DCR
PDR
Input data
V
CC
HLT
Pull-up control signal
Buffer control signal
Output data
Figure 21 I/O Buffer Configuration (with Pull-Up MOS)
D
0
–D
3
port
V
CC
DCD
PDR
Pull-down control signal
Buffer control signal
Output data
MIS3
HLT
Input control signal
Input data
Figure 22 I/O Buffer Configuration (with Pull-Down MOS)