參數(shù)資料
型號(hào): ST72774S9T1
廠商: 意法半導(dǎo)體
元件分類: ADC
英文描述: 8-BIT USB MCU FOR MONITORS, WITH UP TO 60K OTP, 1K RAM, ADC, TIMER, SYNC, TMU, PWM/BRM, H/W DDC & I2C
中文描述: 8位USB單片機(jī)的顯示器,高達(dá)60K章檢察官辦公室,每1000內(nèi)存,模數(shù)轉(zhuǎn)換器,定時(shí)器,同步,材質(zhì)單元,脈寬調(diào)制/的BRM,的H / W DDC的
文件頁數(shù): 138/144頁
文件大?。?/td> 1280K
代理商: ST72774S9T1
ST72774/ST727754/ST72734
138/144
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
Symbol
Conditions
Parameter
Inputs Levels:
Differential Input Sensitivity
Differential Common Mode Range
Single Ended Receiver Threshold
Output Levels
Min.
Max.
Unit
VDI
VCM
VSE
AbsI((D+) - (D-))
Includes VDI range
0.2
0.8
0.8
V
V
V
2.5
2.0
Static Output Low
VOL
RL of 1.5K ohms to
3.6V
RL of 15K ohms to
USBGND
V
DD
=5V
0.3
V
Static Output High
VOH
2.8
3.6
V
USBVCC: voltage level
USBV
3
3.6
V
Differential
Datas Lines
USBGND
tf
tr
Crossover
points
VCRS
USB: Low speed electrical characteristics
Symbol
Parameter
Driver characteristics:
Rise time
Conditions
Min
Max
Unit
tr
Note 1, CL=50 pF
Note 1, CL=600 pF
Note 1, CL=50 pF
Note 1, CL=600 pF
tr/tf
75
ns
ns
ns
ns
%
300
Fall Time
tf
75
300
120
Rise/ Fall Time matching
Output signal Crossover
Voltage
trfm
80
VCRS
1.3
2.0
V
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