UPD75402ACA datasheet(9/48 Pages) NEC

Part #	UPD75402ACA

Description	4 BIT SINGLE-CHIP MICROCOMPUTER

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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9 / 48 page

9

µPD75402A(A)

Type A (For type E-B)

CMOS input buffer

Schmitt trigger input with hysteresis

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

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

P.U.R.: Pull-Up Resistor

Type B

Type E-B

Type B-C

Type D (For type E-B, F-A)

VDD

IN

P-ch

N-ch

IN

P-ch

P.U.R.

enable

P.U.R.

VDD

P-ch

N-ch

OUT

Data

Output

disable

P.U.R.

VDD

P.U.R.

enable

P-ch

IN/OUT

Data

Output

disable

Type D

Type A

(1/2)

Type F-A

P.U.R.: Pull-Up Resistor

P.U.R.

VDD

P.U.R.

enable

P-ch

IN/OUT

Data

Output

disable

Type D

Type B

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UPD75402ACA Datasheet(PDF) 9 Page - NEC

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