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ST7263 bảng dữ liệu(PDF) 99 Page - STMicroelectronics

tên linh kiện ST7263
Giải thích chi tiết về linh kiện  LOW SPEED USB 8-BIT MCU FAMILY with up to 16K MEMORY, up to 512 BYTES RAM, 8-BIT ADC, WDG, TIMER, SCI & I2C
PDF  109 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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ST7263 bảng dữ liệu(HTML) 99 Page - STMicroelectronics

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7.8 COMMUNICATION INTERFACE CHARACTERISTICS
The values given in the specifications of dedicated
functions are generally not applicable for chips.
Therefore, only the limits listed below are valid for
the product. T = 0... +70°C, VDD - VSS = 5 V unless
otherwise specified
.
7.8.1 USB - Universal Bus Interface
(Operating conditions T
A = 0 to +70°C, V
DD = 4.0 to 5.25V unless otherwise specified)
Note 1: RL is the load connected on the USB drivers.
Note 2: All the voltages are measured from the local ground potential.
USB DC Electrical Characteristics
Parameter
Symbol
Conditions
Min.
Max.
Unit
Input Levels:
Differential Input Sensitivity
VDI
I(D+, D-)
0.2
V
Differential Common Mode Range
VCM
Includes VDI range
0.8
2.5
V
Single Ended Receiver Threshold
VSE
0.8
2.0
V
Output Levels
Static Output Low
VOL
RL of 1.5K ohms to 3.6v
0.3
V
Static Output High
VOH
RL of 15K ohm to VSS
2.8
3.6
V
USBVCC: voltage level
USBV
VDD=5v
3.00
3.60
V



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