Datasheet

© Copyright 2009 Future Technology Devices International Ltd
17
Document Reference No.: FT_000202
UM245R USB - Parallel FIFO Development Module Datasheet Version 1.04
Clearance No.: FTDI# 124
6.4 Internal Clock Characteristics
The internal Clock Oscillator has the following characteristics:
Parameter
Value
Unit
Minimum
Typical
Maximum
Frequency of Operation
11.98
12.00
12.02
MHz
Clock Period
83.19
83.33
83.47
ns
Duty Cycle
45
50
55
%
Table 6.12 Internal Clock Characteristics
NOTE: Use of the internal clock requires VCC to be in the range of 4.0V to 5.25V.