UM245R FTDI, Future Technology Devices International Ltd, UM245R Datasheet - Page 18

• 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

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