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STR720 bảng dữ liệu(PDF) 388 Page - STMicroelectronics

tên linh kiện STR720
Giải thích chi tiết về linh kiện  ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES
PDF  401 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STR720 bảng dữ liệu(HTML) 388 Page - STMicroelectronics

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STR720 - ELECTRICAL CHARACTERISTICS
388/401
1.
VDD(all) = 1.80 V ± 10%, VDD3(all) = 3.30 V ± 10%, TA = -40 / +85 °C unless otherwise specified.
2.
Data based on design guidelines and validation, not tested in production.
1.
VDD(all) = 1.80 V ± 10%, VDD3(all) = 3.30 V ± 10%, TA = -40 / +85 °C unless otherwise specified.
2.
Data based on design guidelines and validation, not tested in production.
VOL
Low level output voltage
Measured with pull-up of
1.425 k
Ω to 3.6 V
0.0
-
0.3
V
VOH
High level output voltage
Measured with pull-down of
14.25 k
Ω to GND
2.8
-
3.6
V
VCRS
Output signal crossover volt-
age
Excluding the first transition
from Idle state
1.3
-
2.0
V
Table 104. USB Full-speed AC Characteristics
Symbol
Parameter
Test Conditions(1)
Value
Unit
Min
Typ
Max
TFR
Rise Time
RS = 27 Ω, CL = 50 pF.
See Figure 78.
4
-
20
ns
TFF
Fall Time
RS = 27 Ω, CL = 50 pF.
See Figure 78.
4
-
20
ns
TFRFM
Differential rise and fall time
matching
(TFR / TFF) excluding the first
transition from Idle state
90
-
111.11
%
ZDRV
Driver output resistance(2)
RS = 27 Ω.
28
-
44
Ω
Figure 78. USB Data signal rise and fall time
Table 103. USB DC Characteristics
Symbol
Parameter
Test Conditions(1)
Value
Unit
Min
Typ
Max
Differential
Data Lines
TFR
TFF
Crossover
points
VCRS
VSS
90%
10%



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