FT240X USB 8-BIT FIFO IC Datasheet
Version 1.3
Document No.: FT_000626 Clearance No.: FTDI# 259
3 Device Pin Out and Signal Description
3.1 24-LD SSOP Package
15
24
4
2
9
1
7
8
5
3V3OUT
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
14
13
USBDM
USBDP
16
RESET#
21
20
11
12
10
23
22
RXF#
TXE#
RD#
WR#
SI/WU#
CBUS5
CBUS6
Figure 3.1 SSOP Package Pin Out and Schematic Symbol
3.2 SSOP Package Pin Out Description
Note: The convention used throughout this document for active low signals is the signal name followed by
a #
Pin No. Name
Type
I/O
Description
USB Data Signal Plus, incorporating 1.5kΩ pull up resistor to 3.3V.
13
14
USBDP
USBDM
USB Data Signal Minus.
I/O
Table 3.1 USB Interface Group
Pin No. Name
Type
PWR
PWR
Description
1V8 - 3V3 supply for the IO cells
3
VCCIO
GND
Device ground supply pins
6, 19
3V3 output at 50mA. May be used to power VCCIO.
**
15
Output
When VCC is 3V3; pin 15 is an input pin and should be connected to pin
18.
3V3OUT
**
+5V (or 3V3) supply to the device core.
18
17
PWR
PWR
VCC
+1V8 Output. May be left unterminated
VCORE
Table 3.2 Power and Ground Group
** If VCC is 3V3 then 3V3OUT must also be driven with 3V3 input
Copyright © 2013 Future Technology Devices International Limited
7
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