UPD78323 NEC, UPD78323 Datasheet - Page 15

• Manufacturer Part Number: UPD78323
• Description: 16/8-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

Schmitt-trigger input having hysteresis characteristics.
Type 3
Type 4
Push-pull output which can become high-impedance
output (with both P-ch and N-ch set to off)
Type 1
Type 2
output
disable
data
IN
IN
V
V
DD
DD
P-ch
N-ch
P-ch
N-ch
Figure 1-1. Pin Input/Output Circuits
V
DD
P-ch
N-ch
OUT
OUT
Type 9
Type 5
Type 8
IN
output
disable
output
disable
input
enable
data
data
P-ch
N-ch
(Threshold Voltage)
V
DD
V
P-ch
N-ch
V
DD
P-ch
N-ch
REF
PD78323, 78324
Comparator
+
–
input
enable
IN/OUT
IN/OUT
15