µPD75036
3.3 PIN INPUT/OUTPUT CIRCUITS
The input/output circuit of each µPD75036 pin is shown below in a simplified manner.
Type A (For type E-B)
Type D (For type E-B, F-A)
(1/3)
VDD
P-ch
IN
Data
VDD
P-ch
OUT
N-ch
Output
disable
N-ch
Type B
CMOS input buffer
IN
Push-pull output which can be set to high-impedance output
(off for both P-ch and N-ch)
Type E-B
P.U.R.
enable
VDD
P.U.R.
P-ch
Data
Output
disable
Type D
IN/OUT
Type A
Schmitt trigger input with hysteresis
Type B-C
VDD
P.U.R.
P-ch
P.U.R.
enable
IN
Type E-D
P.U.R.: Pull-Up Resistor
Data
Output
disable
Type D
Type A
P.D.R.
enable
IN/OUT
N-ch
P.D.R.
P.U.R.: Pull-Up Resistor
P.D.R.: Pull-Down Resistor
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