MAX 9000 Programmable Logic Device Family Data Sheet
Each row of LABs has a dedicated row interconnect that routes signals
both into and out of the LABs in the row. The row interconnect can then
drive I/ O pins or feed other LABs in the device. Each row interconnect has
a total of 96 channels. Figure 7 shows how a macrocell drives the row and
column interconnect.
Figure 7. MAX 9000 LAB Connections to Row & Column Interconnect
48 Column
Channels
96 Row Channels
Each macrocell drives
one row channel.
LAB
Macrocell 1
Dual-output
macrocell feeds
both FastTrack
Interconnect and
LAB local array.
Macrocell 2
To LAB
Local Array
Each macrocell drives one
of three column channels.
Additional multiplexer provides
column-to-row path if
macrocell drives row channel.
Each macrocell in the LAB can drive one of three separate column
interconnect channels. The column channels run vertically across the
entire device, and are shared by the macrocells in the same column. The
MAX+PLUS II Compiler optimizes connections to a column channel
automatically.
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Altera Corporation
ALTERA [ ALTERA CORPORATION ]
