MU9C2481L Datasheet, PDF (1/20 Pages) MUSIC Semiconductors – LANCAM® 1ST Family

Preliminary Data Sheet
LANCAM^® 1^ST Family
FEATURES AND BENEFITS
DISTINCTIVE CHARACTERISTICS
Ø Full compatibility among all LANCAM 1^ST
devices, allowing CAM density variations
within any application
Ø Full CAM technology for simplicity and
speed: one single cycle to find, learn, or
delete an entry
Ø 3.3 volt operation for low power dissipation
Ø Powerful LANCAM instruction set for
application flexibility
Ø Partionable CAM/RAM array for associated
data storage
Ø Low cost per entry for cost sensitive
applications
Ø High density content-addressable memory
(CAM) family
Ø 2K (2481L), 4K (4481L), and 8K (8481L) words
Ø 64-bit per word memory organization
Ø Fast 100 ns compare speed
Ø MUSIC’s patented CAM/RAM partitioning
Ø Powerful LANCAM instruction set
Ø 16-bit I/O
Ø 3.3 volt operation
Ø 44 pin PLCC
D Q (15–0)
(16 )
D AT A (16)
MUX
D AT A (16)
D AT A (64)
D EM U X
D AT A (64)
VC C
GND
CO MMANDS & STATUS
(16 )
SO URCE AND
DESTINATIO N
SEG MENT
CO UNTERS
CO MPARAND
MASK 1
MASK 2
/E
INST RU C TIO N (W /O )*
/W
ADDRE SS _{ADDRE SS}
C O N TRO L
N
/CM
N EXT FR EE AD D RESS (R /O )
/RESE T
C O N TRO L
/MF
/ FF
CAM ARRAY
2N WO RDS
X 64 BITS
SEG MENT CO NTRO L
STA TU S (15–0 ) (R/O )*
STA TU S (3 1–16) (R / O )
MATCH ADDR, /MF ^N+1
/M M , /FF
2
REG ISTER S ET
Block Diagram
MUSIC Semiconductors, the MUSIC logo, LANCAM, and the phrase “MUSIC Semiconductors” are
registered trademarks of MUSIC Semiconductors. MUSIC is a trademark of MUSIC
Semiconductors. Certain features of this device are patented under U.S. Patent 5,383,146.
1 October 1998 Rev. 1a