DS_FT2232D Datasheet, PDF (39/61 Pages) List of Unclassifed Manufacturers – Future Technology Devices International Ltd

Time
Description
T7
WR Active Pulse
Width
T8
WR to WR Pre-
Charge Time
T9
Data Setup Time
before WR inactive
T10
Data Hold Time
from WR inactive
T11
WR Inactive to
TXE#
T12
TXE inactive after
WR cycle
Table 8.5 Write Cycle
Document No.: FT_000173
FT2232D DUAL USB TO SERIAL UART/FIFO IC Datasheet
Version 2.05
Clearance No.: FTDI# 127
Min
50
Max
ns
Unit
WR Active Pulse Width
50
ns
WR to WR Pre-Charge Time
20
ns
0
ns
5
25
Data Setup Time before WR
inactive
Data Hold Time from WR
inactive
ns
80
ns
TXE inactive after WR cycle
Figure 8.8 Microprocessor Interface Example
Copyright © 2010 Future Technology Devices International Limited
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