參數(shù)資料
型號: ST72F652R4T1
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 14 MM, TQFP-64
文件頁數(shù): 39/160頁
文件大小: 974K
代理商: ST72F652R4T1
ST7265
133/160
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. 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)
3. The data retention time increases when the TA decreases.
4. 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
Conditio ns
Min
Typ
Max
Unit
tprog
Programming time for 1~16 bytes 2) TA=+25°C
ms
Programming time for 4 or 8kBytes
TA=+25°Csec
tret
Data retention 4)
TA=+55°C
3)
years
NRW
Write erase cycles 4)
TA=+25°C
cycles
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