FT220XS-U FTDI, FT220XS-U Datasheet - Page 18
FT220XS-U
Manufacturer Part Number
FT220XS-U
Description
USB Interface IC USB to 4 bit SPI / FT1248 IC SSOP-16
Manufacturer
FTDI
Datasheet
1.FT220XS-R.pdf
(48 pages)
Specifications of FT220XS-U
Rohs
yes
Tradename
X-Chip
- Current page: 18 of 48
- Download datasheet (763Kb)
5.5 FT1248 Timing
Figure 5.4: FT1248 Clock Format CPHA = 1
The timings will vary depending on VCCIO.
T1
T2
T3
T4
T5
T6
T7
T8
Table 5.3: 1V8 VCCIO timings
Min (ns)
Copyright © 2013 Future Technology Devices International Limited
Typical (ns)
83.33
41.67
41.67
1
25
3
5
5
Max (ns)
30
FT220X USB 4-BIT SPI/FT1248 IC Datasheet
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_000629 Clearance No.: FTDI# 262
Version 1.2
18
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