參數(shù)資料
型號(hào): ST7FLIT19B
廠商: 意法半導(dǎo)體
英文描述: 8-Bit MCU With Single Voltage Flash Memory, Data EEPROM, ADC, 5 Timers, SPI(內(nèi)部RC,PLL,ADC,ROP,ICP, IAP,SPI的8位MCU)
中文描述: 8位微控制器單電壓閃存存儲(chǔ)器,數(shù)據(jù)EEPROM,模數(shù)轉(zhuǎn)換器,5計(jì)時(shí)器和SPI(內(nèi)部鋼筋,鎖相環(huán),藝發(fā)局,人事,電感,國際檢察官聯(lián)合會(huì)的SPI的8位微控制器)
文件頁數(shù): 111/155頁
文件大?。?/td> 2968K
代理商: ST7FLIT19B
ST7LITE1xB
111/155
13.3.3 Operating Conditions with Low Voltage Detector (LVD)
13.3.3.1 Operating Conditions with LVD at T
A
= -40 to 125°C, unless otherwise specified
Notes:
1.
The V
DD
rise time rate condition is needed to insure a correct device power-on and LVD reset. Not tested in production.
2.
Use of LVD with capacitive power supply: with this type of power supply, if power cuts occur in the application, it is rec-
ommended to pull V
DD
down to 0V to ensure optimum restart conditions. Refer to circuit example in
Figure 106 on
page 133
and note 4.
Symbol
Parameter
Conditions
Min
3.80
3.20
2.65
3.70
3.10
2.50
Typ
4.20
3.55
2.85
4.00
3.35
2.70
200
Max
4.60
3.90
3.10
4.35
3.70
2.90
Unit
V
IT+
(LVD)
Reset release threshold
(V
DD
rise)
High Threshold
Med. Threshold
Low Threshold
High Threshold
Med. Threshold
Low Threshold
V
IT+
(LVD)
-V
IT-
(LVD)
V
V
IT-
(LVD)
Reset generation threshold
(V
DD
fall)
V
hys
Vt
POR
t
g(VDD)
I
DD(LVD
)
LVD voltage threshold hysteresis
V
DD
rise time rate
1)2)
Filtered glitch delay on V
DD 1)
LVD/AVD current consumption
mV
ms/V
ns
μA
100
Not detected by the LVD
150
200
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