参数资料
型号: M7020R
厂商: 意法半导体
英文描述: 32K x 68-bit Entry NETWORK SEARCH ENGINE
中文描述: 32K的× 68位进入网络搜索引擎
文件页数: 4/150页
文件大小: 996K
代理商: M7020R
M7020R
4/150
SEARCH COMMAND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
68-bit Configuration with Single Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Hardware Diagram for a Table with One Device (Figure 19.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Timing Diagram for a 68-bit Configuration SEARCH for One Device (Figure 20.) . . . . . . . . . . . . . 38
x68 Table with One Device (Figure 21.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Latency of SEARCH from Instruction to SRAM Access Cycle, 68-bit, 1 Device (Table 25.). . . . . . 39
Shift of SSF and SSV from SADR (Table 26.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
68-bit SEARCH on Tables Configured as x68 Using up to Eight M7020R Devices. . . . . . . . . 40
Hit/Miss Assumption (Table 27.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Hardware Diagram for a Table with Eight Devices (Figure 22.) . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
x68 Table with Eight Devices (Figure 23.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Timing Diagrams for x68 Using up to Eight M7020R Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
68-bit SEARCH For Device 0 (Figure 24.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
68-bit SEARCH For Device 1 (Figure 25.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
68-bit SEARCH For Device 7 (Last Device) (Figure 26.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Latency of SEARCH from Instruction to SRAM Access Cycle, 68-bit, Up to 8 Devices (Table 28.) 46
Shift of SSF and SSV from SADR (Table 29.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
68-bit SEARCH on Tables Configured as x68 Using Up To 31 M7020R Devices. . . . . . . . . . . 46
Hit/Miss Assumption (Table 30.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Hardware Diagram for a Table with 31 Devices (Figure 27.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Hardware Diagram for a Block of Up To Eight Devices (Figure 28.). . . . . . . . . . . . . . . . . . . . . . . . 49
x68 Table with 31 Devices (Figure 29.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Timing Diagrams for x68 Using Up To 31 M7020R Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Each Device in Block Number 0 (Miss on Each Device) (Figure 30.). . . . . . . . . . . . . . . . . . . . 51
Each Device Above the Winning Device in Block Number 1 (Figure 31.). . . . . . . . . . . . . . . . . 52
Globally Winning Device in Block Number 1 (Figure 32.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Devices Below the Winning Device in Block Number 1 (Figure 33.). . . . . . . . . . . . . . . . . . . . . 54
Devices Above the Winning Device in Block Number 2 (Figure 34.) . . . . . . . . . . . . . . . . . . . . 55
Globally Winning Device in Block Number 2 (Figure 35.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Devices Below the Winning Device in Block Number 2 (Figure 36.). . . . . . . . . . . . . . . . . . . . . 57
Devices Above the Winning Device in Block Number 3 (Figure 37.) . . . . . . . . . . . . . . . . . . . . 58
Globally Winning Device in Block Number 3 (Figure 38.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Devices Below the Winning Device in Block Number 3 (not Device 30 - Last Device). . . . . . . 60
Device 6 in Block Number 3 (Device 30 in Depth-Cascaded Table) (Figure 40.). . . . . . . . . . . 61
Latency of SEARCH from Instruction to SRAM Access Cycle, 68-bit, Up to 31 Devices . . . . . . . . 62
Shift of SSF and SSV from SADR (Table 32.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
136-bit Configuration with Single Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Hardware Diagram for a Table with 1 Device (Figure 41.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Timing Diagram for a 136-bit SEARCH for One Device (Figure 42.). . . . . . . . . . . . . . . . . . . . . . . . 64
x136 Table with One Device (Figure 43.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Latency of SEARCH from Instruction to SRAM Access Cycle, 136-bit, 1 Device (Table 33.). . . . . 65
Shift of SSF and SSV from SADR (Table 34.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
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