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Document Reference No.: FT_000202
UM245R USB - Parallel FIFO Development Module Datasheet Version 1.04
Clearance No.: FTDI# 124
Parameter
UVoh
UVol
UVse
UCom
UVDif
UDrvZ
Description
I/O Pins Static Output
(High)
I/O Pins Static Output
(Low)
Single Ended Rx
Threshold
Differential Common
Mode
Differential Input
Sensitivity
Driver Output
Impedance
Minimum
2.8
0
0.8
0.8
0.2
26
Typical
---
---
---
---
---
29
Maximu
m
3.6
0.3
2.0
2.5
---
44
Units
V
V
V
V
V
Ohms
Conditions
RI = 1.5kΩ to 3V3Out
(D+) RI = 15KΩ to
GND (D-)
RI = 1.5kΩ to 3V3Out
(D+) RI = 15kΩ to
GND (D-)
***
Table 6.10 USB I/O Pin (USBDP, USBDM) Characteristics
*** Driver Output Impedance includes the internal USB series resistors on USBDP and USBDM pins
6.3 EEPROM Reliability Characteristics
The internal 1024 bit EEPROM has the following reliability characteristics:
Parameter
Data Retention
Read / Write Cycle
Value
15
100,000
Unit
Years
Cycles
Table 6.11 EEPROM Characteristics
? Copyright 2009 Future Technology Devices International Ltd
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