DS_FT2232D Datasheet, PDF (53/61 Pages) List of Unclassifed Manufacturers – Future Technology Devices International Ltd

Document No.: FT_000173
FT2232D DUAL USB TO SERIAL UART/FIFO IC Datasheet
Version 2.05
Clearance No.: FTDI# 127
Figure 8.18 CPU FIFO Interface Mode - Signal Timing
Time
Description
t1
A0 / CS Setup to WR#
t2
Data setup to WR#
t3
WR# Pulse width
t4
A0/CS Hold from WR#
t5
Data hold from WR#
t6
A0/CS Setup to RD#
t7
Data delay from RD#
**Note 23
t8
A0/CS hold from RD#
t9
Data hold time from RD#
**Note 23
Table 8.20 CPU FIFO Interface Mode - Signal Timing
Min
15
15
20
5
5
15
15
5
0
Max
-
-
-
-
-
-
50
-
30
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
**Note 23: For standard output drive level Times may vary if high drive level is enabled
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