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PC87382 Datasheet(PDF) 71 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87382
Description  LPC-to-LPC Switch for Docking Stations, with Fast Infrared Port, Serial Port and GPIOs
PDF  72 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87382 Datasheet(HTML) 71 Page - National Semiconductor (TI)

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8.0 Device Characteristics (Continued)
Revision 1.2
71
www.national.com
8.4.10 Docking LPC Switch Timing
Symbol
Parameter
Min
Max
Unit
tON
Switch On after RE LCLK1
1. Not tested. Guaranteed by characterization.
014
ns
tOFF
Switch Off after RE LCLK1
028
ns
tSW
Delay from Switch Enable Command to
Switch On2,3
2. Not tested. Guaranteed by design.
3. The time is measured from the end of the corresponding LPC transaction.
4*tCYC
4
4. tCYC is LCLK cycle time.
-
tCLK2RST
Delay from Switch Enable Command to
DLRESET de-assertion and DLFRAME,
DLAD connection2
CLK2RSTVAL5
5. Defined by CLK2RSTVAL field of the DLCTL register; see Section 6.3.2 on page 45.
-
tSU
DLDRQ setup time before RE LCLK
7
ns
tH
DLDRQ hold time after RE LCLK
0
ns
tSWPD
Switch Propagation Delay1
300
ps
Connected
Held by Pull-ups
Connected
tON
tSW
tOFF
tON
tSW
Switch On/Off Command
LCLK
DLCLK, DCLKOUT,
DLFRAME, DLAD
DLRESET
Held by Pull-ups
tCLK2RST
DSERIRQ
Held by Pull-down
Driven
DCLKRUN,



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