FT220XS-U FTDI, FT220XS-U Datasheet - Page 7

• Manufacturer Part Number: FT220XS-U
• Description: USB Interface IC USB to 4 bit SPI / FT1248 IC SSOP-16
• Manufacturer: FTDI

Specifications of FT220XS-U

• Rohs: yes
• Tradename: X-Chip

3
3.1 16-LD QFN Package
Figure 3.1 QFN Schematic Symbol
3.1.1 QFN Package PinOut Description
Note: # denotes an active low signal.
Table 3.1 Power and Ground
*Pin 17 is centre pad on base of chip package. Connect to GND.
** If VCC is 3V3 then 3V3OUT must also be driven with 3V3 input
Table 3.2 Common Function pins
8
7
6
9
Pin No.
Device Pin Out and Signal Description
7
6
9
Pin No.
USBDP
3V3OUT
USBDM
RESET#
3, 13
10
1
8
RESET#
USBDM
USBDP
Name
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3V3OUT
Name
VCCIO
MIOSI0
MIOSI1
MIOSI2
MIOSI3
GND
VCC
CBUS3
**
**
MISO
CLK
CS#
INPUT
INPUT
INPUT
Type
15
2
16
4
12
11
5
14
POWER
POWER
POWER
POWER
Output
Type
Input
Input
Input
USB Data Signal Minus.
USB Data Signal Plus.
Reset input (active low).
FT220X USB 4-BIT SPI/FT1248 IC Datasheet
5 V (or 3V3) supply to IC
1V8 - 3V3 supply for the IO cells
3V3 output at 50mA. May be used to power VCCIO.
When VCC is 3V3; pin 8 is an input pin. Connect to pin
10.
0V Ground input.
Document No.: FT_000629 Clearance No.: FTDI# 262
Description
Description
Version 1.2
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