CY7C68001 Datasheet

  • CY7C68001

  • IC,BUS CONTROLLER,SSOP,56PIN

  • 612.03KB

  • cypress

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FOR
FOR
CY7C68001
11.0
11.1
AC Electrical Characteristics
USB Transceiver
USB 2.0-certified compliant in full and high speed.
11.2
11.2.1
Command Interface
Command Synchronous Read
t
IFCLK
IFCLK
t
SRD
SLRD
t
INT
INT#
t
RDH
DATA
t
OEon
SLOE
N
t
OEoff
Figure 11-1. Command Synchronous Read Timing Diagram
[12]
Table 11-1. Command Synchronous Read Parameters with Internally Sourced IFCLK
Parameter
t
IFCLK
t
SRD
t
RDH
t
OEon
t
OEoff
t
INT
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
Description
Min.
20.83
18.7
0
10.5
10.5
9.5
Max.
Unit
ns
ns
ns
ns
ns
ns
Table 11-2. Command Synchronous Read with Externally Sourced IFCLK
[13]
Parameter
t
IFCLK
t
SRD
t
RDH
t
OEon
t
OEoff
t
INT
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
Description
Min.
20
12.7
3.7
10.5
10.5
13.5
Max.
200
Unit
ns
ns
ns
ns
ns
ns
Notes:
12. Dashed lines denote signals with programmable polarity.
13. Externally sourced IFCLK must not exceed 50 MHz.
Document #: 38-08013 Rev. *E
Page 23 of 42

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