FT221XS-R FTDI, FT221XS-R Datasheet - Page 32
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
Figure 8.3 FT1248 8- bit read timing diagram
MIOSIO[5]
MIOSIO[4]
MIOSIO[6]
MIOSIO[0]
MIOSIO[3]
MIOSIO[7]
MIOSIO[1]
MIOSIO[2]
MISO
SS_n
CLK
Copyright © 2013 Future Technology Devices International Limited
BUS TURNAROUND
RXF#
TXE#
COMMAND PHASE
CMD1
CMD0
CMD2
CMD3
X
0
0
0
BUS TURNAROUND
RXF#
Document No.: FT_000630 Clearance No.: FTDI# 263
ACK
B2
B5
B7
B4
B6
B3
B1
B0
READ DATA 1
B7
B5
B2
ACK
B6
B4
B3
B1
B0
READ DATA 2
TXE#
RXF#
Version 1.2
32