FT240XS-R datasheet(7/40 Pages) FTDI

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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

DATA1

DATA7

DATA5

DATA6

DATA3

SI/WU#

RD#

WR#

USBDP

USBDM

3V3OUT

RESET#

TXE#

RXF#

CBUS6

CBUS5

DATA0

DATA4

DATA2

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

Description

USBDP

I/O

USB Data Signal Plus, incorporating 1.5kΩ pull up resistor to 3.3V.

USBDM

I/O

USB Data Signal Minus.

Table 3.1 USB Interface Group

Pin No.

Name

Type

Description

VCCIO

PWR

1V8 - 3V3 supply for the IO cells

6, 19

GND

PWR

Device ground supply pins

3V3OUT

Output

3V3 output at 50mA. May be used to power VCCIO.

When VCC is 3V3; pin 15 is an input pin and should be connected to pin

18.

VCC

PWR

+5V (or 3V3) supply to the device core.

VCORE

PWR

+1V8 Output. May be left unterminated

Table 3.2 Power and Ground Group

** If VCC is 3V3 then 3V3OUT must also be driven with 3V3 input

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