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ST72734 bảng dữ liệu(PDF) 138 Page - STMicroelectronics

tên linh kiện ST72734
Giải thích chi tiết về linh kiện  8-BIT USB MCU FOR MONITORS, WITH UP TO 60K OTP, 1K RAM, ADC, TIMER, SYNC, TMU, PWM/BRM, H/W DDC & I2C
PDF  144 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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ST72734 bảng dữ liệu(HTML) 138 Page - STMicroelectronics

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Notes:
– RL is the load connected on the USB drivers.
– All the voltages are measured from the local ground potential (USBGND).
Figure 78. USB: Data signal Rise and fall time
Note1: Measured from 10% to 90% of the data signal
USB DC Electrical Characteristics
Parameter
Symbol
Conditions
Min.
Max.
Unit
Inputs Levels:
Differential Input Sensitivity
VDI
AbsI((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 ohms to
USBGND
2.8
3.6
V
USBVCC: voltage level
USBV
VDD=5V
3
3.6
V
Differential
Datas Lines
USBGND
tf
tr
Crossover
points
VCRS
USB: Low speed electrical characteristics
Parameter
Symbol
Conditions
Min
Max
Unit
Driver characteristics:
Rise time
tr
Note 1, CL=50 pF
75
ns
Note 1, CL=600 pF
300
ns
Fall Time
tf
Note 1, CL=50 pF
75
ns
Note 1, CL=600 pF
300
ns
Rise/ Fall Time matching
trfm
tr/tf
80
120
%
Output signal Crossover
Voltage
VCRS
1.3
2.0
V



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