FT245R Future Technology Devices Intl Ltd., FT245R Datasheet - Page 17

• Manufacturer Part Number: FT245R
• Manufacturer: Future Technology Devices Intl Ltd.

The internal 1024 Bit EEPROM has the following reliability characteristics-
Table 16 - EEPROM Characteristics
The internal Clock Oscillator has the following characteristics.
Table 17 - Internal Clock Characteristics
Table 18 - OSCI, OSCO Pin Characteristics (Optional - Only applies if external Oscillator is used***)
***When supplied the device is configured to use its internal clock oscillator. Users who wish to use an external
oscillator or crystal should contact
FT245R USB UART I.C. Datasheet Version 1.02
Parameter Description
Data Retention
Read / Write Cycles
Parameter
Frequency of Operation
Clock Period
Duty Cycle
Parameter
Voh
Vol
Vin
6.3 EEPROM Reliability Characteristics
6.4 Internal Clock Characteristics
Description
Output Voltage High
Output Voltage Low
Input Switching Threshold
FTDI technical
100,000
Value
83.19
11.98
Min
45
15
Typical
Years
Cycles
Value
12.00
83.33
support.
50
Unit
Min
2.8
0.1
1.8
12.02
83.47
Max
55
Typ
2.5
-
-
Unit
MHz
ns
%
Max
© Future Technology Devices International Ltd. 2005
3.6
1.0
3.2
Units
V
V
V
Conditions
Fosc = 12MHz
Fosc = 12MHz