M7040N Datasheet, PDF (45/159 Pages) STMicroelectronics – 64K x 72-bit Entry NETWORK PACKET SEARCH ENGINE

M7040N
Timing Diagrams for x72 Using up to Eight M7040N Devices
Figure 27. Timing Diagram for 72-bit SEARCH For Device 0
Cycle 2
Cycle 4
Cycle 6
Cycle 8
Cycle 10
Cycle 1
Cycle 3
Cycle 5
Cycle 7
Cycle 9
CLK 2X
PHS_L
CMDV
CMD[1:0]
CMD[10:2]
Search1
Search3
01 01 01 01
Search2
Search4
A BABABAB
DQ
(LHI[6:0])⁽¹⁾
0
D1 D2 D3 D4
LHO[1:0]⁽²⁾
z
SADR[23:0]
z
CE_L
z
ALE_L
WE_L
z
OE_L
z
SSV
z
SSF
z
CFG = 0000000000000000,
HLAT = 010, TLSZ = 01,
LRAM = 0, LDEV = 0
z
z
A1
A3
z
z
0
0
z
z
0
0
1
z
1
z
1
z
1^z
1
z
1^z
Search1
(This device
is the global
winner.)
Search2
(Miss on this
device.)
Search3
(This device
is the global
winner.)
Search4
(Miss on this
device.)
AI04680
Note: 1. (LHI[6:0]) stands for the boolean 'OR' of the entire bus LHI[6:0].
2. Each bit in LHO[1:0] is the same logical signal.
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