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ST72E121 Datasheet(PDF) 91 Page - STMicroelectronics

Part # ST72E121
Description  8-BIT MCU WITH 8 TO 16K OTP/EPROM, 384 TO 512 BYTES RAM, WDG, SCI, SPI AND 2 TIMERS
PDF  92 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72E121 Datasheet(HTML) 91 Page - STMicroelectronics

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ST72E121 ST72T121
7.3 ORDERING INFORMATION
Each device is available for production in user pro-
grammable version (OTP). OTP devices are
shipped to customer with a default blank content
FFh. There is one common EPROM version for
debugging and prototyping which features the
maximum memory size and peripherals of the
family. Care must be taken to only use resources
available on the target device.
Figure 53. OTP User Programmable Device Types
Notes:
– The ST72E121J4D0 (CERDIP 25
°C) is used as the EPROM versions for the above devices.
– The ROM versions are supported by the ST72124 family.
DEVICE PACKAGE
TEMP.
RANGE
S= LVD Reset option
3 = automotive -40 to +125
°C
6= industrial -40 to +85
°C
B= Plastic DIP
T= Plastic TQFP
ST72T121J2
ST72T121J4
X



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