Datasheet > MU9C8480BF-50TBI

MU9C8480BF-50TBI

更新时间： 2023-08-15 00:00:00

品牌	Logo	应用领域
MUSIC		/
页数	文件大小	规格书
32页	236K
描述
Memory IC

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MU9C8480BF-50TBI 数据手册

Data Sheet

LANCAM B Family

APPLICATION BENEFITS

DISTINCTIVE CHARACTERISTICS

•

Low-cost LANCAM family in a space-saving LQFP

package

•

High density CMOS Content Addressable Memory

1K (1480B), 2K (2480B) , 4K (4480B), 8K (8480B)

words

•

Fast speed allows processing of both DA and SA

within 450 ns, equivalent to 138 ports of 10 Base-T or

13 ports of 100 Base-T Ethernet

•

64-bit per word memory organization

16-bit I/O

•

Full CAM features allow all operations to be masked

on a bit-by-bit basis

Fast 50 ns compare speed

Dual configuration register set for rapid context

switching

Powerful, LANCAM A/L compatible instruction set

for any list processing need

•

16-bit CAM/RAM segments with MUSIC’s patented

partitioning

Shiftable Comparand and Mask registers assist in

proximate matching algorithms

/MA and /MM output flags to enable faster system

performance

Cascadable to any practical length with no

performance penalties

•

Readable Device ID

•

Industrial temperature grades for harsh environments

Dual footprint connections to conserve board space

3.3 Volt for lower power systems

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

3.3 Volt operation

44- and 64-pin LQFP package

(also available in Lead-Free package)

DATA (64)

MUX

VCC

GND

DATA (16)

DQ (15—0)

(16)

TRANSLATE

802.3 / 802.5

DEMUX

DATA (64)

DATA (16)

COMPARAND

SOURCE AND

DESTINATION

SEGMENT

MASK 1

MASK 2

COMMANDS &

STATUS (16)

COUNTERS

/MA

/MM

INSTRUCTION (W/O)

ADDRESS

CAM ARRAY

CONTROL

NEXT FREE ADDRESS (R/O)

CONTROL

2^NWORDS

X 64 BITS

/CM

/RESET

SEGMENT CONTROL

PAGE ADDRESS (LOCAL)

DEVICE SELECT (GLOBAL)

STATUS (15-0) (R/O)

MATCH ADDR &

/MA FLAG

/EC

N+1

/FF

/FI

/MM, /FL

MATCH

AND

FLAG

STATUS (31-16) (R/O)

/MF

/MI

LOGIC

Figure 1: LANCAM B Family 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.

February 27, 2008 Rev. 5.2

12 3 4 5 6 7...32

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