CDK8904-5 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'CDK8904-5' PDF : 34 Pages View PDF
CS8904
Crystal LAN™ Quad Ethernet Transceiver
SWITCHING CHARACTERISTICS - MODE 4 (TA = 25 °C; VDD = 5 V; Note 7.)
Parameter
Symbol
Min
Max
Receive Timing - Start of Frame
RX+/RX- active to RxDATA active
RX+/RX- active to CD active
Receive data setup from RxCLK
Receive data hold from RxCLK
Receive Timing - End of Frame
tDATA
-
tCD
-
tRDS
35
tRDH
50
1200
600
-
-
RxCLK hold after CD off
RxDATA throughput delay
CD turn off delay
Transmit Timing
tRCH
5
-
tRD
-
250
tCDOFF
-
400
TxENBL setup from TxCLK
TxENBL hold after TxCLK
TxDATA setup from TxCLK
TxDATA hold after TxCLK
Transmit startup delay
Transmit throughput delay
Loopback Timing
tEHCH
10
-
tCHEL
10
-
tDSCH
10
-
tCHDU
10
-
tSTUD
-
500
tTPD
-
500
LOOP setup from TxENBL
LOOP hold after TxENBL
CD startup delay after TxENBL
tKHEH
10
-
tKHEL
10
-
tCAEA
255
-
Notes: 7. COLL asserts active-high in Mode 4.
Unit
ns
ns
ns
ns
bit times
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CIRRUS LOGIC ADVANCED PRODUCT DATABOOK
28
DS191PP2
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