DMC42C4008 查看數據表（PDF） - Daewoo Semiconductor

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DMC42C4008

4Bit Single Chip Microcontroller

Daewoo Semiconductor 

4Bit Single Chip Microcontroller

18

DMC42P4008

DEVICE OPERATION

The operational modes of the DMC42P4008 are listed in Table 1.

A single 5V power supply is required in the read mode.

All inputs are TTL levels except for VPP / OEX.

VPP = 12.5±0.5V

MODE

PINS

CEX VPP / OEX VDD

OUTPU

READ

VIL

VIL

5.0V

DOUT

PROGRAM

VIL

VPP

6.0V

DIN

VERIFY

VIL

VIL

6.0V

DOUT

PROGRAM INHIBIT VIH

VPP

6.0V High Z

TABLE 1. Operating Modes

PIN NAME

TEST

RESETB

MODE

EPROM MODE

USER MODE

VIL

VIH

VIH

VIL

VIL

TABLE 2. The modes of DMC42P4008

DC PROGRAMMING CHARACTERISTICS

PARAMETER

SYMBO

L

Input Low Voltage

VIL

Input High Voltage

VIH

Output Low Voltage during Verify VOL

Output High Voltage during Verify VOH

Quick-pulse Programming

VPP

Quick-pulse Programming

VDD

TEST CONDITION

IOL = 2.1mA

IOH = -400uA

LIMIT

MIN.

MAX.

-0.1

0.8

2.0

VDD

-

0.45

2.4

-

12.5

13.0

6.0

6.5

UNIT

V

V

V

V

V

V

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