參數(shù)資料
型號(hào): ST7FLITE09Y0B3
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, PDIP16
封裝: 0.300 INCH, PLASTIC, DIP-16
文件頁數(shù): 95/115頁
文件大?。?/td> 781K
代理商: ST7FLITE09Y0B3
ST7FLITE0
80/115
13.3.3 Operating Conditions with Low Voltage Detector (LVD)
TA = -40 to 125°C, unless otherwise specified
Notes:
1. The VDD rise time rate condition is needed to insure a correct device power-on and LVD reset. Not tested in production.
13.3.4 Auxiliary Voltage Detector (AVD) Thresholds
TA = -40 to 125°C, unless otherwise specified
13.3.5 Internal RC Oscillator and PLL
The ST7 internal clock can be supplied by an internal RC oscillator and PLL (selectable by option byte).
Symbol
Parameter
Condition s
Min
Typ
Max
Unit
VIT+(LVD)
Reset release threshold
(VDD rise)
High Threshold
Med. Threshold
Low Threshold
4.00
3.40
2.65
4.25
3.60
2.90
4.50
3.80
3.15
V
VIT-(LVD)
Reset generation threshold
(VDD fall)
High Threshold
Med. Threshold
Low Threshold
3.80
3.20
2.40
4.05
3.40
2.70
4.30
3.65
2.90
Vhys
LVD voltage threshold hysteresis
VIT+(LVD)-VIT-(LVD)
200
mV
VtPOR
VDD rise time rate
1)
20
s/V
tg(VDD)
Filtered glitch delay on VDD
1)
Not detected by the LVD
150
ns
IDD(LVD)
LVD/AVD current consumption
200
A
Symbol
Parameter
Condition s
Min
Typ
Max
Unit
VIT+(AVD)
1=>0 AVDF flag toggle threshold
(VDD rise)
High Threshold
Med. Threshold
Low Threshold
4.40
3.90
3.20
4.70
4.10
3.40
5.00
4.30
3.60
V
VIT-(AVD)
0=>1 AVDF flag toggle threshold
(VDD fall)
High Threshold
Med. Threshold
Low Threshold
4.30
3.70
2.90
4.60
3.90
3.20
4.90
4.10
3.40
Vhys
AVD voltage threshold hysteresis
VIT+(AVD)-VIT-(AVD)
150
mV
V
IT-
Voltage drop between AVD flag set
and LVD reset activation
VDD fall
TBD
0.45
V
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDD(RC)
Internal RC Oscillator operating voltage
2.4
5.5
V
VDD(x4PLL) x4 PLL operating voltage
2.4
3.3
VDD(x8PLL) x8 PLL operating voltage
3.3
5.5
1
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