CYNSE10512 Datasheet, PDF (106/153 Pages) Cypress Semiconductor – Ayama™ 10000 Network Search Engine

CONFIDENTIAL
PRELIMINARY
CYNSE10512
CYNSE10256
CYNSE10128
CLK2X
cycle cycle cycle cycle cycle cycle cycle cycle cycle cycle
1 2 3 4 5 6 7 8 9 10
PHS_L
CMDV
Search1
Search3
CMD[1:0]
10 10
10
Search2
Logic 0 for A-cycles _{Logic 1 on the}
for x72 and x144 _{1st x288 A-cycle}
Logic 0 on
the last A-cycle
CMD[2]
CMD[10:2]
CMPR[2] on B-cycles
A B A B A BA B
DQ
|(LHI[6:0])
LHO[1:0]
|(BHI[2:0])
SADR[M:0]
CE_L
ALE_L
WE_L
OE_L
SSV
SSF
A B1B2 C1C2C3C4
D1 D2 D3
0
0
0
0
0
1
0
0
0
1
01
0
z
z
z
0 _z0
z
0 _z0
z
1 ^z1
z
0 _z0
z
0 _z0
Search1
Hit on some
device above
Search2
Hit on some
device above
Search3
Hit on some
device above
M = 25 for CYNSE10512, 24 for CYNSE10256, 23 for CYNSE10128
For Non-Enhanced Mode:
CYNSE10512: CFG[63:0] = AAAAAAAAAAAAAAAAh;
CYNSE10256: CFG[31:0] = AAAAAAAAh;
CYNSE10128, CFG[15:0] = AAAAh.
NES = 10 (binary) in all blocks for Enhanced Mode, x288 search
HLAT = 000 (binary), TLSZ = 10 (binary), LRAM = 1 (binary), LDEV = 1 (binary).
Figure 6-50. Timing Diagram for Mixed Search for the Last Device in Block 3
Document #: 38-02069 Rev. *F
Page 106 of 153
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