Data Sheet
MU9C1965A LANCAM
®
MP
APPLICATION BENEFITS
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Space-saving LQFP package
Simplified switching/routing address filtering and
translation
Full CAM features allow all operations to be masked
on a bit-by-bit basis
Powerful instruction set for any list processing need
Improved VLAN mapping:
DA,SA, Port ID to VLAN ID
Filter on any field
IP to MAC, MAP to IP filters and translation
DA,SA to ATM VC
Shiftable Comparand and Mask registers assist in
proximate matching algorithms
Industrial temperature grades for harsh environments
DISTINCTIVE CHARACTERISTICS
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1024 x 128 bit CMOS Content Addressable Memory
(CAM)
32-bit I/O
70 ns compare speed
Dual configuration register set for rapid context
switching
32-bit CAM/RAM segments with MUSIC’s patented
partitioning
/MA and /MM output flags to enable faster system
performance
Readable Device ID
Selectable faster operating mode with no wait states
after a no-match
Validity bit setting accessible from the Status register
Single cycle reset for Segment Control register
80-pin LQFP package (standard or Lead-Free)
5 Volt operation (contact factory for 3.3 Volt devices)
DATA (32)
I/O BUFFERS
MUX
DATA (128)
VCC
GND
DQ (31—0)
(32)
DATA (32)
DEMUX
DATA (128)
COMMANDS &
STATUS (32)
/E
/W
CONTROL
/CM
/RESET
CONTROL AND
STATUS REGISTERS
SOURCE AND
DESTINATION
SEGMENT
COUNTERS
ADDRESS DECODER
COMPARAND
MASK 1
MASK 2
1K X 2 VALIDITY BITS
PRIORITY ENCODER
/MA
/MM
CAM ARRAY
1K WORDS
X 128 BITS
10
2
/EC
12
FLAG
LOGIC
/FF
/FI
/MF
/MI
Figure 1: LANCAM
®
MP Block Diagram
MUSIC Semiconductors, the MUSIC logo, and the phrase "MUSIC Semiconductors" are
Registered trademarks of MUSIC Semiconductors. MUSIC is a trademark of
MUSIC Semiconductors.
March 29, 2005 Rev. 2
MUSIC [ MUSIC SEMICONDUCTORS ]
