FT245RQ-REEL Datasheet, PDF (13/37 Pages) List of Unclassifed Manufacturers – Future Technology Devices International Ltd. FT245R USB FIFO IC

Document No.: FT_000052
FT245R USB FIFO IC Datasheet Version 2.12
Clearance No.: FTDI# 39
3.5 FT245R FIFO READ Timing Diagrams
RXF#
T6
T5
RD#
T2
T1
T3
D[7...0]
Figure 3.3 FIFO Read Cycle
T4
Valid Data
Time Description
T1
RD# Active Pulse Width
T2
RD# to RD# Pre-Charge Time
T3
RD# Active to Valid Data*
T4
Valid Data Hold Time from RD#
Inactive*
T5
RD# Inactive to RXF#
T6
RXF# Inactive After RD Cycle
Table 3.9 FIFO Read Cycle Timings
*Load = 30pF
Minimum Maximum Unit
50
-
ns
50 + T6 -
ns
20
50
ns
0
-
ns
0
25
ns
80
-
ns
Copyright © 2010 Future Technology Devices International Limited
13