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參數(shù)資料
| 型號(hào)： | ST72254G1M5 |
| 英文描述： | 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY. ADC. 16-BIT TIMERS. SPI. |
| 中文描述： | 8位單電壓閃存微控制器。 ADC的。 16位定時(shí)器。的SPI。 |
| 文件頁數(shù)： | 3/140頁 |
| 文件大?。?/td> | 1349K |
| 代理商： | ST72254G1M5 |
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ST72104G, ST72215G, ST72216G, ST72254G
100/140
OPERATING CONDITIONS (Cont’d)
14.3.2 Operating Conditions with Low Voltage Detector (LVD)
Subject to general operating conditions for VDD, fOSC, and TA.
Figure 53. High LVD Threshold Versus V
DD and f
OSC for FLASH devices
3)
Figure 54. Medium LVD Threshold Versus V
DD and f
OSC for FLASH devices
3)
Figure 55. Low LVD Threshold Versus V
DD and f
OSC for FLASH devices
2)4)
Notes:
1. LVD typical data are based on TA=25°C. They are given only as design guidelines and are not tested.
2. Data based on characterization results, not tested in production.
3. The VDD rise time rate condition is needed to insure a correct device power-on and LVD reset. Not tested in production.
4. If the low LVD threshold is selected, when VDD falls below 3.2V, (VDD minimum operating voltage), the device is guar-
anteed to continue functioning until it goes into reset state. The specified VDD min. value is necessary in the device power
on phase, but during a power down phase or voltage drop the device will function below this min. level.
Symbol
Parameter
Conditions
Min
Typ 1)
Max
Unit
VIT+
Reset release threshold
(VDD rise)
High Threshold
Med. Threshold
Low Threshold
4.10 2)
3.75 2)
3.25 2)
4.30
3.90
3.35
4.50
4.05
3.55
V
VIT-
Reset generation threshold
(VDD fall)
High Threshold
Med. Threshold
Low Threshold4)
3.85 2)
3.50 2)
3.00
4.05
3.65
3.10
4.30
3.95
3.35
Vhyst
LVD voltage threshold hysteresis
VIT+-VIT-
200
250
300
mV
VtPOR
VDD rise time rate
3)
0.2
50
V/ms
tg(VDD)
Filtered glitch delay on VDD
2)
Not detected by the LVD
40
ns
fOSC [MHz]
SUPPLY VOLTAGE [V]
16
8
0
2.5
3
3.5
4
4.5
5
5.5
FUNCTIONAL AREA
DEVICE UNDER
FUNCTIONALITY AND RESET NOT GUARANTEED IN THIS AREA
FOR TEMPERATURES HIGHER THAN 85°C
RESET
IN THIS AREA
FUNCTIONALITY
NOT GUARANTEED
IN THIS AREA
VIT-≥3.85
12
fOSC [MHz]
SUPPLY VOLTAGE [V]
16
8
0
2.5
3
VIT-≥3.5V
4
4.5
5
5.5
FUNCTIONAL AREA
DEVICE UNDER
FUNCTIONALITY AND RESET NOT GUARANTEED IN THIS AREA
FOR TEMPERATURES HIGHER THAN 85°C
RESET
IN THIS AREA
FUNCTIONALITY
NOT GUARANTEED
IN THIS AREA
12
fOSC [MHz]
SUPPLY VOLTAGE [V]
16
8
0
2.5
VIT-≥3V
3.5
4
4.5
5
5.5
FUNCTIONAL AREA
DEVICE UNDER
FUNCTIONALITY NOT GUARANTEED IN THIS AREA
FOR TEMPERATURES HIGHER THAN 85°C
RESET
IN THIS AREA
FUNCTIONALITY
NOT GUARANTEED
IN THIS AREA
12
3.2
SEE NOTE 4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST72254G1M5/XXX | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, IC INTERFACES |
| ST72254G1M6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY. ADC. 16-BIT TIMERS. SPI. |
| ST72254G1M6/XXX | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, IC INTERFACES |
| ST72254G1M7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY. ADC. 16-BIT TIMERS. SPI. |
| ST72254G1M7/XXX | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, IC INTERFACES |
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