ST62T52B datasheet(66/68 Pages) STMICROELECTRONICS

部件名	ST62T52B

功能描述	8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, AUTO-RELOAD TIMER AND EEPROM

PDF	68 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

66 / 68 page

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ST6252B ST6262B

1 GENERAL DESCRIPTION

1.1 INTRODUCTION

The ST6252B and ST6262B are mask pro-

grammed

ROM

version

ST62T52B

and

ST62T62B 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

14V typ

100 s max

4mA typ

100mA

150 s typ

max

TEST

VR02003

PROTECT

ZPD15

VSS

VDD

TEST

47 F

100nF

15V

14V

ST62T52B 数据表(PDF) 66 Page - STMicroelectronics

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