Data Sheet
LIST-XL Family
APPLICATION BENEFITS
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LAN Address processing
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Cache tag buffers
Hash collision resolution
Branch tables
Data decoders
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Other processes or algorithms that require table
searches
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DISTINCTIVE CHARACTERISTICS
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256 word and 512 word by 64-bit content addressable
memory (CAM)
Compare any data with all the entries stored in the
memory array in a single 70 ns cycle
Add or delete data in the CAM in a single cycle
Match and Multiple match signals
Immediate access to associated data translations,
attributes or pointers
Flexible patented CAM/RAM partitioning
Two selectable mask registers with bit by bit
capability
Powerful and flexible instruction set
Proximate match capability
16-bit I/O; 32Pin LQFP; 3.3 volt operation
(Also available in lead-free package)
DATA (16)
I/O BUFFERS
MUX
DATA (64)
VCC
GND
DQ (15—0)
(16)
DATA (16)
DEMUX
DATA (64)
COMMANDS &
STATUS (16)
SOURCE AND
DESTINATION
SEGMENT
COUNTERS
ADDRESS DECODER
COMPARAND
MASK 1
MASK 2
2
N
X 2 VALIDITY BITS
PRIORITY ENCODER
/MA
/MM
/MF
/E
/W
CONTROL
/CM
/RESET
INSTRUCTION (W/O)
ADDRESS
NEXT FREE ADDRESS (R/O)
CONTROL
SEGMENT CONTROL
STATUS (15-0) (R/O)
STATUS (31-16) (R/O)
REGISTER SET
MATCH ADDR, /MF
/MM, /FF
N
CAM ARRAY
2
N
WORDS
X 64 BITS
N+1
2
Block Diagram
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Registered trademarks of MUSIC Semiconductors. MUSIC is a trademark of
MUSIC Semiconductors.
May 3, 2005 Rev. 3.1
MUSIC [ MUSIC SEMICONDUCTORS ]
