ST62T53B datasheet(72/75 Pages) STMICROELECTRONICS

Part #	ST62T53B

Description	8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, AUTO-RELOAD TIMER, EEPROM AND SPI

PDF	75 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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72 / 75 page

72/75

ST6253B/60B/63B

1 GENERAL DESCRIPTION

1.1 INTRODUCTION

The ST6253B, ST6260B and ST6263B are mask

programmed

ROM

versions

ST62T53B,

ST6260B and ST62T63B OTP devices.

They offer the same functionality as OTP devices,

selecting as ROM options the options defined in

the programmable option byte of the OTP version.

Figure 1. Programming wave form

1.2 ROM READOUT PROTECTION

If the ROM READOUT PROTECTION option is

selected, a protection fuse can be blown to pre-

vent any access to the program memory content.

In case the user wants to blow this fuse, high volt-

age must be applied on the TEST pin.

Figure 2. Programming Circuit

Note: ZPD15 is used for overvoltage protection

VR02001

0.5s min

1 4V typ

100 s max

4mA typ

100mA

150 s typ

max

TES T

VR02003

PROTECT

ZP D15

TE S T

100nF

15V

14V

ST62T53B Datasheet(PDF) 72 Page - STMicroelectronics