FT221XQ-T FTDI, FT221XQ-T Datasheet - Page 19

• Manufacturer Part Number: FT221XQ-T
• Description: USB Interface IC USB to 8 bit SPI / FT1248 IC QFN-20
• Manufacturer: FTDI

Specifications of FT221XQ-T

• Rohs: yes
• Tradename: X-Chip

T5
T6
T7
T8
Table 5.4: 2V5 VCCIO timings
T1
T2
T3
T4
T5
T6
T7
T8
Table 5.5: 3V3 VCCIO timings
Min (ns)
Copyright © 2013 Future Technology Devices International Limited
22
1
5
5
Typical (ns)
83.33ns
41.67ns
41.67ns
1
20
0
5
5
Max (ns)
10
MIOSIO setup time to rising or falling sample
SCLK edge
MIOSIO hold time from rising or falling sample
SCLK edge
SS_n setup time to rising or falling SCLK edge
SS_n hold time from rising or falling sample SCLK
edge
Description
SCLK Period
SCLK HIGH
SCLK LOW
SCLK rising or falling driving edge to
MIOSIO/MSIO
MIOSIO setup time to rising or falling sample
SCLK edge
MIOSIO hold time from rising or falling sample
SCLK edge
SS_n setup time to rising or falling SCLK edge
SS_n hold time from rising or falling sample SCLK
edge
Document No.: FT_000630 Clearance No.: FTDI# 263
Version 1.2
19