IA21140AF
Preliminary Data Sheet
PCI FAST ETHERNET LAN CONTROLLER
Serial Port Timing Waveforms:
Transmit:
Timing Diagram
Ttcf
Ttcr
Ttcl Ttch
srl_tclk
Ttcc
Ttdp
Ttdh
srl_txd[3:0]
srl_txen
Ttep
Tteh
Timing Characteristics
Symbol
Ttcl
Definition
Min
Max
55
55
8
units
ns
srl_tclk low time
srl_tclk high time
srl_tclk rise time
srl_tclk fall time
45
45
-
Ttch
Ttcr
ns
ns
Ttcf
-
8
ns
Ttdp
Ttdh
Ttep
Tteh
srl_tclk fall time to srl_txd valid
srl_txd hold after srl_tclk fall time
srl_tclk fall time to srl_txen valid
srl_txen hold after srl_tclk fall time
-
26
-
ns
5
-
ns
26
-
ns
5
ns
Copyright 2001
innovASIC
ENG210010110-00
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