µPD75004, 75006, 75008
3.3 PIN INPUT/OUTPUT CIRCUITS
The following shows a simplified input/output circuit diagram for each pin of the µPD75008.
TYPE A (for TYPE E–B)
VDD
P–ch
IN
N–ch
TYPE D (for TYPE E–B, F–A)
data
VDD
OUT
output
disable
Input buffer of CMOS standard
TYPE B
IN
Push–pull output that can be set in a output
high–impedance state (both P–ch and N–ch are off)
TYPE E–B
data
output
disable
P.U.R.
enable
Type D
VDD
P.U.R.
P–ch
IN/OUT
Schmitt trigger input with hysteresis characteristics
Type A
P.U.R. : Pull–Up Resistor
TYPE B–C
VDD
P.U.R.
P–ch
IN
P.U.R.
enable
TYPE F–A
data
output
disable
P.U.R.
enable
Type D
VDD
P.U.R.
P–ch
IN/OUT
P.U.R. : Pull–Up Resistor
Type B
P.U.R. : Pull–Up Resistor
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