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ST7263BHX bảng dữ liệu(PDF) 110 Page - STMicroelectronics

tên linh kiện ST7263BHX
Giải thích chi tiết về linh kiện  Low speed USB 8-bit MCU family with up to 32K Flash/ROM, DFU capability, 8-bit ADC, WDG, timer, SCI & I짼C
PDF  145 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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ST7263BHX bảng dữ liệu(HTML) 110 Page - STMicroelectronics

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14.3 Operating conditions
14.3.1 General operating conditions
Figure 51. fCPU maximum operating frequency versus VDD supply voltage
14.3.2 Operating conditions with Low Voltage Detector (LVD)
Subject to general operating conditions for VDD, fCPU, and TA. Refer to Figure 12 on page 24.
Notes:
1. The VDD rise time rate condition is needed to insure a correct device power-on and LVD reset. Not tested in production.
2. Guaranteed by characterization - not tested in production
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDD
Operating Supply Voltage
fCPU = 8 MHz
45
5.5
V
VDDA
Analog reference voltage
VDD
VDD
VSSA
Analog reference voltage
VSS
VSS
fCPU
Operating frequency
fOSC = 24 MHz
8
MHz
fOSC = 12 MHz
4
TA
Ambient temperature range
070
°C
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIT+
Low Voltage Reset Threshold (VDD rising) VDD Max. Variation 50V/ms
3.4
3.7
4.0
V
VIT-
Low Voltage Reset Threshold (VDD falling) VDD Max. Variation 50V/ms
3.2
3.5
3.8
V
Vhyst
Hysteresis (VIT+ - VIT-)
2)
100
175
220
mV
VtPOR
VDD rise time rate
1)
0.5
50
V/ms
fCPU [MHz]
SUPPLY VOLTAGE [V]
8
4
2
0
2.5
3.0
3.5
4
4.5
5
5.5
FUNCTIONALITY
FUNCTIONALITY
GUARANTEED
FROM 4 TO 5.5 V
NOT GUARANTEED
IN THIS AREA



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