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FT240XQ-R 数据表(PDF) 21 Page - List of Unclassifed Manufacturers

部件名 FT240XQ-R
功能描述  Future Technology Devices International Ltd
PDF  40 Pages
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制造商  ETC2 [List of Unclassifed Manufacturers]
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标志 ETC2 - List of Unclassifed Manufacturers

FT240XQ-R 数据表(HTML) 21 Page - List of Unclassifed Manufacturers

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Copyright © 2013 Future Technology Devices International Limited
21
FT240X USB 8-BIT FIFO IC Datasheet
Version 1.3
Document No.: FT_000626 Clearance No.:
FTDI# 259
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
Voh
Output Voltage High
VCC-0.2
V
Vol
Output Voltage Low
0.2
V
Vil
Input low Switching
Threshold
-
0.8
V
Vih
Input High Switching
Threshold
2.0
-
V
Table 5.7 USB I/O Pin (USBDP, USBDM) Characteristics
5.4 MTP Memory Reliability Characteristics
The internal 2048 Byte MTP memory has the following reliability characteristics:
Parameter
Value
Unit
Data Retention
10
Years
Write Cycle
2,000
Cycles
Read Cycle
Unlimited
Cycles
Table 5.8 MTP Memory Characteristics
5.5 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 5.9 Internal Clock Characteristics
Note 1: Equivalent to +/-1667ppm



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