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ST62T55CB6 bảng dữ liệu(PDF) 82 Page - STMicroelectronics

tên linh kiện ST62T55CB6
Giải thích chi tiết về linh kiện  8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, SAFE RESET, AUTO-RELOAD TIMER, EEPROM AND SPI
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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ST62T55CB6 bảng dữ liệu(HTML) 82 Page - STMicroelectronics

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ST6255C ST6265B
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The ST6255C and ST6265B are mask pro-
grammed
ROM
version
of
ST62T55C
and
ST62T65C 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 ST6265B ROM device.
Figure 54. Programming Waveform
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 55. 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



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