FT245BL-REEL FTDI, Future Technology Devices International Ltd, FT245BL-REEL Datasheet - Page 11

• Manufacturer Part Number: FT245BL-REEL
• Description: IC USB TO PARALLEL
• Manufacturer: FTDI, Future Technology Devices International Ltd

Specifications of FT245BL-REEL

• Applications: USB to FIFO Controller
• Interface: USB, 8bit FIFO (Sync/Async)
• Voltage - Supply: 4.35 V ~ 5.25 V
• Package / Case: 32-LQFP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FT245BL TIMING DIAGRAM – FIFO READ CYCLE
*** Note 4
FT245BL TIMING DIAGRAM – FIFO WRITE CYCLE
Time
T1
T2
T3
T4
T5
T6
Time
T7
T8
T9
T10
T11
T12
DS245BL Version 1.7
Description
RD Active Pulse Width
RD to RD Pre-Charge Time
RD Active to Valid Data
Valid Data Hold Time from RD Inactive
RD Inactive to RXF#
RXF inactive after RD cycle
Description
WR Active Pulse Width
WR to WR Pre-Charge Time
Data Setup Time before WR inactive
Data Hold Time from WR inactive
WR Inactive to TXE#
TXE inactive after WR cycle
- Load 30 pF
RD#
D0..D7
RXF#
D0..D7
TXE#
WR
*** Note 4
© Future Technology Devices Intl. Ltd. 2005
T3
*** Note 4
Min
50
50
20
0
5
80
T1
valid data
T7
Min
50
50 + T6
20
0
0
80
T9
FT245BL USB FIFO ( USB - Parallel ) I.C.
Max
25
valid data
T5
T4
T11
Max
50
25
Unit
ns
ns
ns
ns
ns
ns
T10
Unit
ns
ns
ns
ns
ns
ns
T6
T2
T8
T12
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