UPD75108CW-XXX データシートの表示（PDF） - NEC => Renesas Technology

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UPD75108CW-XXX

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75104, 75106, 75108

3.3 PIN INPUT/OUTPUT CIRCUITS

The following shows a simplified input/output circuit diagram for each pin of the µPD75108.

TYPE A

TYPE E

VDD

P–ch

IN

N–ch

data

output

disable

Type D

IN/OUT

Type A

Input buffer of CMOS standard

TYPE B

I/O circuit consisting of Type D push-pull output circuit

and Type A input buffer

TYPE F

data

IN/OUT

IN

Type D

output

disable

Type B

Schmitt trigger input with hysteresis characteristics

TYPE D

data

output

disable

VDD

P-ch

OUT

N-ch

I/O circuit consisting of Type D push-pull output and Type

B Schmitt trigger input

TYPE M

V DD

P.U.R.

(mask option)

IN/OUT

data

output

disable

N-ch

(+12 V

withstand)

Push – pull output that can be set in a output

high– impedance state (both P –ch and N –ch are off)

Medium-voltage input

buffer (+12 V withstand)

P.U.R.: Pull-Up Resistor

11

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