FT231XQ-T FTDI, FT231XQ-T Datasheet - Page 21

• Manufacturer Part Number: FT231XQ-T
• Description: USB Interface IC USB to Full Serial UART IC QFN-20
• Manufacturer: FTDI

Specifications of FT231XQ-T

• Rohs: yes
• Tradename: X-Chip

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:
Table 5.8 MTP Memory Characteristics
5.5 Internal Clock Characteristics
The internal Clock Oscillator has the following characteristics:
Table 5.9 Internal Clock Characteristics
Note 1: Equivalent to +/-1667ppm
Frequency of Operation
Parameter
Data Retention
Voh
Vih
Vol
Parameter
Write Cycle
Vil
Read Cycle
(see Note 1)
Clock Period
Duty Cycle
Parameter
Input High Switching
Output Voltage High
Input low Switching
Output Voltage Low
Description
Copyright © 2013 Future Technology Devices International Limited
Threshold
Threshold
Unlimited
Value
2,000
10
Minimum
11.98
83.19
45
Cycles
Cycles
Years
Unit
Minimum
VCC-0.2
2.0
FT231X USB TO FULL HANDSHAKE UART IC
Typical
Typical
Value
12.00
83.33
50
-
-
Document No.: FT_000565 Clearance No.:
Maximum
0.2
0.8
Maximum
12.02
83.47
55
Units
V
V
V
V
Datasheet
Version 1.2
Conditions
FTDI# 261
MHz
Unit
ns
%
21