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ST72334J2TA/XXX датащи(PDF) 123 Page - STMicroelectronics |
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ST72334J2TA/XXX датащи(HTML) 123 Page - STMicroelectronics |
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123 / 150 page ![]() ST72334xx-Auto, ST72314xx-Auto, ST72124Jx-Auto 123/150 15.6 MEMORY CHARACTERISTICS 15.6.1 RAM and Hardware Registers 15.6.2 EEPROM Data Memory 15.6.3 Flash Program Memory Notes: 1. Minimum VDD supply voltage without losing data stored in RAM (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 4 Kbytes 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 Conditions Min Typ Max Unit VRM Data retention mode 1) Halt mode (or RESET) 1.6 V Symbol Parameter Conditions Min Typ Max Unit tprog Programming time for 1~16 bytes 3) -40°C ≤T A≤+85°C 20 ms -40°C ≤T A≤+125°C 25 tret Data retention 5) TA=+55°C 4) 20 years NRW Write erase cycles 5) TA=+25°C 300000 cycles Symbol Parameter Conditions Min Typ Max Unit TA(prog) Programming temperature range 2) 0 25 70 °C tprog Programming time for 1~16 bytes 3) TA=+25°C 8 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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