FT245RL FTDI, FT245RL Datasheet - Page 11

• Manufacturer Part Number: FT245RL
• Description: IC, USB FIFO INTERFACE, SSOP-28
• Manufacturer: FTDI

Specifications of FT245RL

• Data Rate: 1Mbps
• Supply Voltage Range: 1.8V To 5.25V, 3.3V To 5.25V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: SSOP
• No. Of Pins: 28
• Termination Type: SMD
• Ic Generic Number: 245
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 6 - FIFO Read Cycle
Table 3 - FIFO Read Cycle Timings
* Load = 30pF
Figure 7 - FIFO Write Cycle
Table 4 - FIFO Write Cycle Timings
FT245R USB UART I.C. Datasheet Version 1.05
Time
T1
T2
T3
T4
T5
T6
Time
T7
T8
T9
T10
T11
T12
D[7...0]
D[7...0]
TXE#
RXF#
4.5 FT245R FIFO Timing Diagrams
RD#
WR
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 RD Pre-Charge Time
Data Setup Time before WR Inactive
Data Hold Time from WR Inactive
WR Inactive to TXE#
TXE Inactive After WR Cycle
T3
Min
50
50 + T6
20
0
0
80
Min
50
50
20
0
5
80
Valid Data
T1
Max
50
25
Max
25
T7
T9
Unit
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
Valid Data
© Future Technology Devices International Ltd. 2005
T11
T4
T5
T10
T8
T6
T2
T12