FT221XQ-R International Semiconductor Technologies, FT221XQ-R Datasheet - Page 18

• Manufacturer Part Number: FT221XQ-R
• Description: Specifications: Applications: * ; Interface: * ; Voltage - Supply: 3.3 V ~ 5 V ; Package / Case: 20-VFQFN Exposed Pad ; Packaging: Digi-Reel
• Manufacturer: International Semiconductor Technologies

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
T1
T2
T3
T4
Min (ns)
Min (ns)
Copyright © 2013 Future Technology Devices International Limited
Typical (ns)
83.33ns
41.67ns
41.67ns
1
25
3
5
5
Typical (ns)
83.33ns
41.67ns
41.67ns
1
Max (ns)
30
Max (ns)
15
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
Description
SCLK Period
SCLK HIGH
SCLK LOW
SCLK rising or falling driving edge to
MIOSIO/MSIO
Document No.: FT_000630 Clearance No.: FTDI# 263
Version 1.2
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