IA21140AF-PQF144I Ver la hoja de datos (PDF) - InnovASIC, Inc
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IA21140AF-PQF144I Datasheet PDF : 19 Pages
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IA21140AF
Preliminary Data Sheet
PCI FAST ETHERNET LAN CONTROLLER
MII/SYM Port Timing Waveforms:
Transmit:
Timing Diagram
Tcc
Tcr
Tcf
Tch Tcl
mii_sym_tclk
Trv
mii_sym_txd[3:0]
Trh
mii_sym_txen
Timing Characteristics
Symbol Definition
Min*
Tcc
mii_sym_tclk cycle time (±50 ppm)
-
Tch
mii_sym_tclk high time
14t
Tcl
mii_sym_tclk low time
14t
Tcr
mii_sym_tclk rise time
-
Tcf
mii_sym_tclk fall time
-
Trv
mii_ tclk rise to mii_txen valid time or -
mii_sym_tclk rise to mii_sym_txd valid time
Trh
mii_txen hold after mii_tclk rise time
5
• t = 1 for 100 Mbps operation and t = 10 for 10 Mbps operation.
Typ*
40t
-
-
8
8
-
-
Max*
-
26t
26t
-
-
20
-
Units
ns
ns
ns
ns
ns
ns
ns
Copyright © 2001
innovASIC
The End of Obsolescence™
ENG210010110 -00
Page 13 of 19
www.innovasic.com
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