HT6P20X(2003) Просмотр технического описания (PDF) - Holtek Semiconductor

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HT6P20X
(Rev.:2003)

2²⁴ OTP Encoder

Holtek Semiconductor 

HT6P20X Series

Pin Assignment

2 4 -A d d re s s

0 -D a ta

PG M 1

VSS 2

O SC2 3

O SC1 4

8 S IO

7 VPP

6 VDD

5 DOUT

H T6P 20A

8 D IP /S O P

2 2 -A d d re s s

2 -D a ta

D0

D1

VSS

O SC2

1

8 NC

2

7 VDD

3

6 DOUT

4

5 O SC1

H T6P 20B

8 D IP /S O P

2 0 -A d d re s s

4 -D a ta

D1 1

D2 2

D3 3

VSS 4

NC 5

NC 6

NC 7

NC 8

16 D 0

15 P G M

1 4 S IO

13 V P P

12 V D D

11 D O U T

10 O S C 1

9 O SC2

H T6P 20D

1 6 D IP /N S O P

Pin Description

HT6P20D

Pin No. Pin Name I/O

Internal

Connection

Description

16

1~3

D0~D3

I

CMOS IN

Pull-high

Data input and transmission enable (active low)

They can be externally set to VSS or left open.

4

VSS

¾

¾

Negative power supply, ground

5~8

NC

¾

¾

No connection

9

OSC2

O OSCILLATOR Oscillator output pin

10

OSC1

I OSCILLATOR Oscillator input pin

11

DOUT

O CMOS OUT Data serial transmission output

12

VDD

¾

¾

Positive power supply

13

VPP

I

¾

Programming power supply, VDD for normal operation

14

SIO

I/O

CMOS

IN/OUT

Programming address/control code input and mode code output for

mode verification

15

PGM

I

CMOS IN

Pull-high

Program mode control pin, active low

Approximate internal connection circuits

C M O S IN /O U T

CM OS OUT

C M O S IN

P u ll- h ig h

V DD

O S C IL L A T O R

O SC1

O SC2

Rev. 1.40

2

June 20, 2003

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