CY7C68001(2004) 데이터 시트보기 (PDF) - Cypress Semiconductor
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CY7C68001 Datasheet PDF : 42 Pages
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FO R
FO R
CY7C68001
11.0 AC Electrical Characteristics
11.1 USB Transceiver
USB 2.0-certified compliant in full and high speed.
11.2 Command Interface
11.2.1 Command Synchronous Read
tIFCLK
IFCLK
SLRD
INT#
tSRD
tRDH
tINT
DATA
SLOE
tOEon
N
tOEoff
Figure 11-1. Command Synchronous Read Timing Diagram[12]
Table 11-1. Command Synchronous Read Parameters with Internally Sourced IFCLK
Parameter
Description
Min.
tIFCLK
tSRD
tRDH
tOEon
tOEoff
tINT
IFCLK period
SLRD to Clock Set-up Time
Clock to SLRD Hold Time
SLOE Turn-on to FIFO Data Valid
SLOE Turn-off to FIFO Data Hold
Clock to INT# Output Propagation Delay
20.83
18.7
0
Table 11-2. Command Synchronous Read with Externally Sourced IFCLK[13]
Parameter
Description
tIFCLK
IFCLK Period
tSRD
SLRD to Clock Set-up Time
tRDH
Clock to SLRD Hold Time
tOEon
SLOE Turn-on to FIFO Data Valid
tOEoff
SLOE Turn-off to FIFO Data Hold
tINT
Clock to INT# Output Propagation Delay
Notes:
12. Dashed lines denote signals with programmable polarity.
13. Externally sourced IFCLK must not exceed 50 MHz.
Min.
20
12.7
3.7
Max.
10.5
10.5
9.5
Max.
200
10.5
10.5
13.5
Unit
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
Document #: 38-08013 Rev. *E
Page 23 of 42
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