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EZ-USB Datasheet, PDF (248/334 Pages) Cypress Semiconductor – The EZ-USB USB Integrated Circuit
13.1.8 Data Memory Write
Table 13-5. Data Memory Write
Symbol
Parameter
tAH3 Address Hold from CLK24
tDV CLK24 to Data Valid
tDVZ CLK24 to High Impedance
Formula Min Max Unit
tCL+2
43
ns
15
ns
tCL+16 57
ns
13.1.9 Fast Data Write
Table 13-6. Fast Data Write
Symbol
Parameter
Conditions Min Max Unit
tCDO Clock to Data Output Delay
3
15
ns
tCWO Clock to FIFO Write Output
Delay
2
10
ns
tPFWD Propagation Delay Difference
from FIFO Write to DATA Out
1
ns
13.1.10 Fast Data Read
Table 13-7. Fast Data Read
Symbol
Parameter
Conditions Min Max Unit
tCRO Clock to FIFO Read Output
Delay
2
10
ns
tDSU4 Data Setup to Rising CLK24
12
ns
tDH4 Data Hold to Rising CLK24
2
ns
Notes
Notes
Notes
EZ-USB TRM v1.9
Chapter 13. EZ-USB AC/DC Parameters
Page 13-3