FT240XS-U FTDI, FT240XS-U Datasheet - Page 13

• Manufacturer Part Number: FT240XS-U
• Description: USB Interface IC USB to Parallel FIFO IC SSOP-24
• Manufacturer: FTDI

Specifications of FT240XS-U

• Rohs: yes
• Tradename: X-Chip

3.7 FT240X FIFO WRITE Timing Diagrams
Figure 3.4 FIFO Write Cycle
Time
T7
T8
T9
T10
T11
T12
Table 3.11 FIFO Write Cycle
D[7...0]
TXE#
*Load = 30pF
WR
Description
WR Active Pulse Width
WR to WR Pre-Charge Time
Valid data setup to WR falling
edge*
Valid Data Hold Time from WR
Inactive*
WR Inactive to TXE#
TXE# Inactive After WR Cycle
Copyright © 2013 Future Technology Devices International Limited
Minimum
50
50
20
0
5
80
T7
FT240X USB 8-BIT FIFO IC Datasheet
Document No.: FT_000626 Clearance No.:
Maximum
-
-
-
-
25
-
T9
Valid Data
T11
Unit
ns
ns
ns
ns
ns
ns
T10
T8
T12
Version 1.3
FTDI# 259
13