FT221XS-R FTDI, FT221XS-R Datasheet - Page 5
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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
Table of Contents
1
2
3
4
5
6
7
8
9
1.1
1.2
1.3
3.1
3.2
3.3
4.1
4.2
5.1
5.2
5.3
5.4
5.5
6.1
6.2
6.3
6.4
6.5
7.1
7.2
7.3
7.4
8.1
3.1.1
3.2.1
5.4.1
Typical Applications ...................................................................... 2
FT221X Block Diagram ................................................................. 4
Device Pin Out and Signal Description .......................................... 7
Function Description................................................................... 12
FT1248 Interface Description. .................................................... 14
Devices Characteristics and Ratings ........................................... 20
USB Power Configurations .......................................................... 26
Application Examples ................................................................. 30
Internal MTP Memory Configuration ........................................... 33
Driver Support .................................................................................... 2
Part Numbers...................................................................................... 2
USB Compliant .................................................................................... 3
20-LD QFN Package ........................................................................... 7
20-LD SSOP Package.......................................................................... 9
CBUS Signal Options ......................................................................... 11
Key Features ..................................................................................... 12
Functional Block Descriptions ........................................................... 12
Determining the Dynamic Bus Width ................................................ 14
Supported Commands on the FT1248 Interface ................................ 15
LSB or MSB Selection ........................................................................ 16
Clock Phase/Polarity ........................................................................ 16
FT1248 Timing .................................................................................. 18
Absolute Maximum Ratings............................................................... 20
ESD and Latch-up Specifications ....................................................... 20
DC Characteristics............................................................................. 21
MTP Memory Reliability Characteristics ............................................ 25
Internal Clock Characteristics ........................................................... 25
USB Bus Powered Configuration ...................................................... 26
Self Powered Configuration .............................................................. 27
USB Bus Powered with Power Switching Configuration .................... 28
USB Battery Charging Detection ....................................................... 29
USB to FT1248 Converter .................................................................. 30
QFN Package PinOut Description .................................................................................... 7
SSOP Package PinOut Description .................................................................................. 9
CPHA = 1 ................................................................................................................. 17
Copyright © 2013 Future Technology Devices International Limited
Document No.: FT_000630 Clearance No.: FTDI# 263
Version 1.2
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