ST62T52C datasheet(76/78 Pages) STMICROELECTRONICS

部件名	ST62T52C

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

PDF	78 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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76 / 78 page

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ST6252C ST6262B

1 GENERAL DESCRIPTION

1.1 INTRODUCTION

The ST6252C and ST6262B are mask pro-

grammed

ROM

version

ST62T52C

and

ST62T62C 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,

except the LVD & OSG options that are not availa-

ble on the ST6262B ROM device.

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

0.5s min

TEST

14V typ

TEST

100mA

4mA typ

VR02001

max

150

µstyp

VR02003

TEST

100nF

47mF

PROTECT

100nF

VDD

VSS

ZPD15

15V

14V

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