UPD750004GBA データシートの表示（PDF） - NEC => Renesas Technology

部品番号

コンポーネント説明

メーカー

UPD750004GBA

4 BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)

3.3 PIN INPUT/OUTPUT CIRCUITS

The input/output circuit of each µPD750008 pin is shown below in a simplified manner.

Type A

Type D

VDD

P-ch

IN

N-ch

Data

Output

disable

VDD

P-ch

OUT

N-ch

CMOS input buffer

Push-pull output which can be set to high-impedance output

(off for both P-ch and N-ch)

Type B

IN

Schmitt trigger input with hysteresis

Type B-C

VDD

P.U.R.

P-ch

P.U.R.

enable

IN

P.U.R.: Pull-Up Resistor

Type E-B

Data

Output

disable

P.U.R.

enable

Type D

VDD

P.U.R.

P-ch

IN/OUT

Type A

Type F-A

Data

Output

disable

P.U.R.: Pull-Up Resistor

P.U.R.

enable

Type D

VDD

P.U.R.

P-ch

IN/OUT

Type B

P.U.R.: Pull-Up Resistor

11

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