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FT232RQ датащи(PDF) 21 Page - List of Unclassifed Manufacturers

номер детали FT232RQ
подробное описание детали  Future Technology Devices International Ltd.
PDF  43 Pages
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производитель  ETC2 [List of Unclassifed Manufacturers]
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FT232RQ датащи(HTML) 21 Page - List of Unclassifed Manufacturers

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Copyright © 2010 Future Technology Devices International Limited
21
Document No.: FT_000053
FT232R USB UART IC Datasheet Version 2.10
Clearance No.: FTDI# 38
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
UVoh
I/O Pins Static Output
(High)
2.8
3.6
V
RI = 1.5kΩ to
3V3OUT (D+) RI =
15KΩ to GND (D-)
UVol
I/O Pins Static Output
(Low)
0
0.3
V
RI = 1.5kΩ to
3V3OUT (D+) RI =
15kΩ to GND (D-)
UVse
Single Ended Rx
Threshold
0.8
2.0
V
UCom
Differential Common
Mode
0.8
2.5
V
UVDif
Differential Input
Sensitivity
0.2
V
UDrvZ
Driver Output
Impedance
26
29
44
Ohms
See Note 1
Table 5.12 USB I/O Pin (USBDP, USBDM) Characteristics
5.3 EEPROM Reliability Characteristics
The internal 1024 Bit EEPROM has the following reliability characteristics:
Parameter
Value
Unit
Data Retention
10
Years
Read / Write Cycle
10,000
Cycles
Table 5.13 EEPROM Characteristics
5.4 Internal Clock Characteristics
The internal Clock Oscillator has the following characteristics:
Parameter
Value
Unit
Minimum
Typical
Maximum
Frequency of Operation
(see Note 1)
11.98
12.00
12.02
MHz
Clock Period
83.19
83.33
83.47
ns
Duty Cycle
45
50
55
%
Table 5.14 Internal Clock Characteristics
Note 1: Equivalent to +/-1667ppm



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