MU9C4480A-12DC Просмотр технического описания (PDF) - Music Semiconductors
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MU9C4480A-12DC Datasheet PDF : 28 Pages
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Preliminary Data Sheet
MU9C4480A/L LANCAMs®
APPLICATION BENEFITS
The 4096 x 64 bit LANCAM facilitates numerous
operations:
Ø New speed grade allows processing of both
DA and SA within 560 ns, equivalent to 111,
10 Base-T or 11, 100 Base-T Ethernet ports
Ø Higher density enables longer station lists
Ø Expanded powerful instruction set for any list
processing needs
Ø Fully Compatible with all MUSIC LANCAM
Series, cascadable to any practical length
without performance penalties
Ø Full CAM features allow all operations mask,
on a bit per bit basis
DISTINCTIVE CHARACTERISTICS
Ø 4096 x 64-bit CMOS content-addressable memory
(CAM)
Ø 16-bit I/O
Ø Fast 70 ns compare speed
Ø Dual configuration register set for rapid context
switching
Ø 16-bit CAM/RAM segments with MUSIC’s patented
partitioning
Ø /MA and /MM output flags to enable faster system
performance
Ø Readable Device ID
Ø Selectable faster operating mode with no wait states
after a no-match
Ø 44-pin PLCC package
Ø 5 volt (4480A) or 3.3 volt (4480L) operation
Ø Industrial temperature grade available
D A TA (1 6 )
M UX
D A TA (6 4 )
VCC
D Q (1 5 – 0)
(1 6 )
D A TA (1 6 )
TR A N S L A TE
D A TA (1 6 )
8 0 2.3 /8 02 .5
DEM UX
D A TA (6 4 )
GND
/E
/W
/CM
/RE S E T
/E C
C O N TR O L
C O M M A N D S & S TA TU S
(1 6 )
SOURCE AND
D E S TIN A TIO N
SEGM ENT
C O U N TE R S
IN S TR U C TIO N ( W /O )*
ADDRESS ADDRESS
12
NE X T FRE E ADDRE S S (R/O )
C O N TR O L
S E G M E N T C O N TR O L
16
P A G E A D D R E S S (LO C A L)
DE V ICE S E LE CT (G LO BAL)
S TA TU S (1 5 -0 ) ( R /O )*
S TA TU S (3 1 -1 6 ) (R /O )
M A TC H A D D R
& /M A FL A G
/M M , /FL
R E G IS TE R S E T
13
2
COM PARAND*
M ASK 1
M ASK 2
C A M A R R AY
40 9 6 WORDS
X 6 4 B I TS
Block Diagram
LANCAM, the MUSIC logo, 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 US Patent 5,383,146.
/ MA
/M M
2
M A TC H
AND
FLAG
LO G IC
/FF
/FI
/M F
/ MI
1 October 1998 Rev. 3a
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