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ST62T40B Folha de dados(PDF) 74 Page - STMicroelectronics

Nome de Peças ST62T40B
Descrição Electrónicos  8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER
PDF  76 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST62T40B Folha de dados(HTML) 74 Page - STMicroelectronics

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ST6240B
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The ST6240B is mask programmed ROM version
of ST62T40B 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
0.5s min
TEST
15
14V typ
10
5
TEST
100mA
4mA typ
VR02001
max
150 µs typ
t
VR02003
TEST
5V
100nF
47mF
PROTECT
100nF
VDD
VSS
ZPD15
15V
14V
646



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