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
Vol
Output Voltage High
Output Voltage Low
VCC-0.2
V
0.2
0.8
V
V
Input low Switching
Threshold
Vil
-
-
Input High Switching
Threshold
Vih
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
Data Retention
Write Cycle
Value
10
Unit
Years
Cycles
Cycles
2,000
Read Cycle
Unlimited
Table 5.8 MTP Memory Characteristics
5.5 Internal Clock Characteristics
The internal Clock Oscillator has the following characteristics:
Value
Parameter
Unit
Minimum
11.98
Typical
12.00
Maximum
12.02
Frequency of Operation
(see Note 1)
MHz
Clock Period
83.19
45
83.33
50
83.47
55
ns
%
Duty Cycle
Table 5.9 Internal Clock Characteristics
Note 1: Equivalent to +/-1667ppm
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