FT221XS-R FTDI, FT221XS-R Datasheet - Page 7
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FT221XS-R
Manufacturer Part Number
FT221XS-R
Description
USB Interface IC USB to 8 bit SPI / FT1248 IC SSOP-20
Manufacturer
FTDI
Datasheet
1.FT221XS-R.pdf
(47 pages)
Specifications of FT221XS-R
Rohs
yes
Product
USB 2.0
Data Rate
12 Mbps, 480 Mbps
Interface Type
USB
Operating Supply Voltage
2.97 V to 5.5 V
Operating Supply Current
8.1 mA to 13.1 mA
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SSOP-20
Tradename
X-Chip
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
FT221XS-R
Manufacturer:
FTDI
Quantity:
780
3
3.1 20-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 21 is the centre pad under the IC. Connect to GND.
** If VCC is 3V3 then 3V3OUT must also be driven with 3V3 input
10
11
Device Pin Out and Signal Description
9
8
Pin No.
3, 13
12
20
10
3V3OUT
USBDM
USBDP
RESET#
Copyright © 2013 Future Technology Devices International Limited
3V3OUT
Name
VCCIO
GND
VCC
**
**
MIOSI0
MIOSI1
MIOSI2
MIOSI3
MIOSI4
MIOSI5
MIOSI6
MIOSI7
CBUS3
MISO
CLK
CS#
POWER
POWER
POWER
POWER
Output
Type
Input
Input
Input
17
1
19
6
18
4
5
2
15
14
7
16
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 10 is an input pin and should be
connected to pin 12
0V Ground input.
Document No.: FT_000630 Clearance No.: FTDI# 263
Description
Version 1.2
7