UM245R FTDI, Future Technology Devices International Ltd, UM245R Datasheet - Page 17

• Manufacturer Part Number: UM245R
• Description: MODULE USB-PAR FIFO TTL 24-DIP
• Manufacturer: FTDI, Future Technology Devices International Ltd

Specifications of UM245R

• Main Purpose: Interface, USB 2.0 to Parallel FIFO Bridge
• Embedded: No
• Utilized Ic / Part: FT245R
• Primary Attributes: 300kBps to 1MBps USB to parallel FIFO via 4-Wire Interface
• Secondary Attributes: Royalty-Free Drivers
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 768-1020

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
Table 6.11 EEPROM Characteristics
© Copyright 2009 Future Technology Devices International Ltd
Parameter
UDrvZ
UCom
UVDif
UVoh
UVse
UVol
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
Value
15
100,000
UM245R USB - Parallel FIFO Development Module Datasheet Version 1.04
Unit
Years
Cycles
Minimum
2.8
0.8
0.8
0.2
26
0
Typical
---
---
---
---
---
29
Maximu
3.6
0.3
2.0
2.5
---
44
m
Document Reference No.: FT_000202
Units
Ohms
V
V
V
V
V
Clearance No.: FTDI# 124
Conditions
RI = 1.5kΩ to 3V3Out
(D+) RI = 15KΩ to
GND (D-)
RI = 1.5kΩ to 3V3Out
(D+) RI = 15kΩ to
GND (D-)
***
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