English
Language : 

DS_FT231X Datasheet, PDF (21/44 Pages) List of Unclassifed Manufacturers – Future Technology Devices International Ltd FT231X
FT231X USB TO FULL HANDSHAKE UART IC
Datasheet
Version 1.2
Document No.: FT_000565 Clearance No.: FTDI# 261
Parameter
Description
Minimum Typical Maximum
Units
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
Minimum
Value
Typical
Frequency of Operation
(see Note 1)
11.98
Clock Period
83.19
Duty Cycle
45
Table 5.9 Internal Clock Characteristics
Note 1: Equivalent to +/-1667ppm
12.00
83.33
50
Maximum
12.02
83.47
55
Conditions
Unit
MHz
ns
%
Copyright © 2013 Future Technology Devices International Limited
21