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ST72C254G2 bảng dữ liệu(PDF) 108 Page - STMicroelectronics

tên linh kiện ST72C254G2
Giải thích chi tiết về linh kiện  8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, I2C INTERFACES
PDF  135 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72C254G2 bảng dữ liệu(HTML) 108 Page - STMicroelectronics

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ST72104G, ST72215G, ST72216G, ST72254G
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13.6 MEMORY CHARACTERISTICS
Subject to general operating conditions for VDD,fOSC, and TA unless otherwise specified.
13.6.1 RAM and Hardware Registers
13.6.2 FLASH Program Memory
Notes:
1. Minimum VDD supply voltage without losing data stored in RAM (in in HALT mode or under RESET) or in hardware
registers (only in HALT mode). Guaranteed by construction, not tested in production.
2. Data based on characterization results, tested in production at TA=25°C.
3. Up to 16 bytes can be programmed at a time for a 4kBytes FLASH block (then up to 32 bytes at a time for an 8k device)
4. The data retention time increases when the TA decreases.
5. Data based on reliability test results and monitored in production.
Symbol
Parameter
Conditi ons
Min
Typ
Max
Unit
VRM
Data retention mode 1)
HALT mode (or RESET)
1.6
V
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
TA(prog)
Programming temperature range 2)
025
70
°C
tprog
Programming time for 1~16 bytes 3) TA=+25°C8
25
ms
Programming time for 4 or 8kBytes
TA=+25°C
2.1
6.4
sec
tret
Data retention 5)
TA=+55°C
4)
20
years
NRW
Write erase cycles 5)
TA=+25°C
100
cycles



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