dp83950b National Semiconductor Corporation, dp83950b Datasheet - Page 70

• Manufacturer Part Number: dp83950b
• Description: Dp83950b Rictm Repeater Interface Controller
• Manufacturer: National Semiconductor Corporation

9 0 AC and DC Specifications
TRANSMIT TIMING 10BASE-T PORTS
Receive activity propagation start up and end delays for ports in 10BASE-T mode
Note ACKI assumed high
Note ACTN
COLLISION TIMING AUI PORTS
Collision activity propagation start up and end delays for ports in non 10BASE-T mode
TRANSMIT COLLISION TIMING
Note 1 TX collision extension has already been performed and no other port is driving ANYXN
Note 2 Includes TW2
Note In these diagrams the Inter-RIC and Management Busses are shown using active high signals active low signals may also be used See Section 5 5 Mode
Load Operation
Number
T30a
T31a
Number
T15t
d
and ACTN
s
cdaanyxna
cdianyxni
are tied together
Symbol
actnatxa
Symbol
CD Active to ANYXN Active
CD Inactive to ANYXN Inactive (Notes 1 2)
ACTNd Active to TX Active
(Continued)
Parameter
Parameter
70
Min
TL F 11096 – 26
TL F 11096 – 27
Min
Max
790
Max
400
65
Units
ns
Units
ns
ns