CYNSE70064A Datasheet, PDF (29/127 Pages) Cypress Semiconductor – Search Engine

CYNSE70064A
CLK2X
cycle cycle cycle cycle cycle cycle cycle cycle cycle cycle
1 2 3 4 5 6 7 8 9 10
PHS_L
CMDV
CMD[1:0]
CMD[8:2]
Search1 Search3
01 01 01 01
Search2 Search4
A B A B A BA B
DQ
|(LHI[6:0])
LHO[1:0]
SADR[21:0] ^z
CE_L
z
ALE_L
z
WE_L
z
OE_L
z
SSV
z
SSF
z
D1 D2 D3 D4
A2
z
0
z
0
1
z
1
z
1
z
CFG = 00000000, HLAT = 010, TLSZ = 01, LRAM = 0, LDEV = 0.
Note: |(LHI[6:0]) stands for the boolean ‘OR’ of the entire bus LHI[6:0].
Note: Each bit in LHO[1:0] is the same logical signal.
Search1
(Miss
on this
device).
Search3
(Local
winner
but not
global
winner.)
Search2
(This
device is
global
winner.)
Search4
(Miss
on this
device.)
Figure 10-10. Timing Diagram for 68-bit Search Device Number 1
Document #: 38-02041 Rev. *E
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