UPD75066CU-XXX データシートの表示（PDF） - NEC => Renesas Technology

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UPD75066CU-XXX

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75064, 75066, 75068, 75064(A), 75066(A), 75068(A)

3.3 Pin Input/Output Circuits

The input/output circuit of each µPD75068 pin is shown below in a simplified manner.

Type A (For type E-B)

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

(1/3)

VDD

P-ch

IN

Data

VDD

P-ch

OUT

N-ch

Output

disable

N-ch

Type B

CMOS input buffer

IN

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

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

Type E-B

P.U.R.

enable

VDD

P.U.R.

P-ch

Data

Output

disable

Type D

IN/OUT

Type A

Schmitt trigger input with hysteresis

Type B-C

P.U.R.: Pull-Up Resistor

VDD

P.U.R.

P-ch

P.U.R.

enable

IN

P.U.R.: Pull-Up Resistor

10

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