MDS105 Datasheet, PDF (29/35 Pages) Zarlink Semiconductor Inc – Unmanaged 5-Port 10/100 Mbps Ethernet Switch

MDS105
14.0 AC Timing Characteristics
14.1 Frame Buffer Memory Interface:
L_D[31:0]
Data Sheet
Figure 5 - Frame Buffer Memory Interface Timing
Symbol
L1
L2
L3
L4
L6
L8
L9
Parameter
50 MHz
Min. (ns) Max. (ns)
Note
L_D[31:0] input setup time
5
L_D[31:0] input hold time
0
L_D[31:0] output valid delay
1
8
L_A[18:2] output valid delay
1
8
L_ADSC# output valid delay
1
8
L_WE# output valid delay
1
8
L_OE# output valid delay
1
8
Table 3 - Frame Buffer Memory Interface Timin
C_L = 30 pF
C_L = 50 pF
C_L = 50 pF
C_L = 30 pF
C_L = 30 pF
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