Datasheet

© Copyright 2005-2011 Future Technology Devices International Ltd
15
Document Reference No.: FT_000051
UM232R USB - Serial UART Development Module
Datasheet Version 1.1
Clearance No.: FTDI# 125
6.3 EEPROM Reliability Characteristics
The internal 1024 bit EEPROM has the following reliability characteristics:
Parameter
Value
Unit
Data Retention
15
Years
Read / Write Cycle
100,000
Cycles
Table 6.11 EEPROM Characteristics
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