UPD753012GC NEC, UPD753012GC Datasheet - Page 12

• Manufacturer Part Number: UPD753012GC
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

3.3 Pin Input/Output Circuits
12
The PD753017 pin input/output circuits are shown schematically.
TYPE A
TYPE B
TYPE B-C
Schmitt trigger input having hysteresis characteristic.
CMOS specification input buffer.
IN
IN
IN
P-ch
P.U.R. : Pull-Up Resistor
V
DD
P.U.R.
V
DD
P-ch
N-ch
enable
P.U.R.
TYPE D
TYPE E-B
TYPE F-A
Push-pull output that can be placed in output
high impedance (both P-ch, N-ch off).
disable
output
data
disable
disable
output
output
data
data
P.U.R. : Pull-Up Resistor
PD753012, 753016, 753017
enable
P.U.R.
P.U.R. : Pull-Up Resistor
P.U.R.
enable
Type D
Type D
Type A
Type B
V
DD
P-ch
N-ch
V
DD
V
IN/OUT
P.U.R.
P-ch
DD
IN/OUT
P.U.R.
P-ch
OUT