UPD75304BGC View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD75304BGC

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75304B,75306B,75308B

3.3 PIN INPUT/OUTPUT CIRCUITS

The input/output circuits of each pin of the µPD75308B are shown by in abbreviated form.

TYPE A (For TYPE E-B)

VDD

P-ch

IN

N-ch

TYPE D (For TYPE E-B, F-A)

data

output

disable

VDD

P-ch

OUT

N-ch

TYPE B

CMOS Standard Input Buffer

IN

Push-pull output that can be made high-impedance output

(P-ch and N-ch OFF)

TYPE E-B

VDD

P.U.R.

enable

P.U.R.

P-ch

data

output

disable

Type D

IN/OUT

Schmitt-Trigger Input with Hysteresis Characteristic

TYPE B-C

VDD

P.U.R.

P-ch

P.U.R.

enable

IN

P.U.R. : Pull-Up Resistor

Type A

P.U.R.:Pull-Up Resistor

TYPE F-A

data

output

disable

P.U.R.

enable

Type D

VDD

P.U.R.

P-ch

IN/OUT

Type B

P.U.R.:Pull-Up Resistor

13

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