UPD75518GF 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD75518GF

4 BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75518(A)

1.3 PIN INPUT/OUTPUT CIRCUITS

Fig. 1-1 shows the input/output circuit of each µPD75518(A) pin in a simplified manner.

Type A

Fig. 1-1 Pin Input/Output Circuits (1/3)

Type D

VDD

P-ch

IN

N-ch

Data

Output

disable

VDD

P-ch

OUT

N-ch

Type B

CMOS input buffer

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

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

Type E

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

Schmitt trigger input with hysteresis

10

Data

Output

disable

Type D

IN/OUT

Type A

I/O circuit consisting of a push-pull output

of type D and an input buffer of type A

Type E - B

Output

disable

VDD

P.U.R.

P-ch

Data

Output

disable

Type D

IN/OUT

Type A

P.U.R.: Pull-Up Resistor

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