Datasheet > MU9C4320L

MU9C4320L

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
MUSIC		存储
页数	文件大小	规格书
32页	449K
描述
4K x 32 Content Addressable Memory (CAM) with a 32-bit wide data interface

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MU9C4320L 数据手册

Data Sheet

MU9C4320L ATMCAM

APPLICATION BENEFITS

DISTINCTIVE CHARACTERISTICS

•

High performance VPI/VCI translation for ATM

switches and routers, up to OC-48

•

4096 x 32-bit Content Addressable Memory (CAM)

70 ns compare and output time per VPI/VCI

32-bit Data I/O port

•

Fully deterministic translation, independent from the

size of the list and the length of VPI/VCI

16-bit Match Address Output port directly addresses

external RAM containing associated data of any

width

•

Pipelined architecture for increased throughput

No limitation of the range of legal values for

VPI/VCI, guaranteeing full interoperability

•

Address/Control bus directly controls CAM

operations for faster throughput

•

Cell tagging can be performed without any time

penalty

Instruction and Status registers for optional software

control

Easy buffer management in “Find and Replace” mode

because of the ability to check CLP field during

VPI/VCI translation

Simultaneously compares Virtual Paths and Virtual

Channels

•

No limitation in the amount of associated information

stored with each connection

•

Cascadable for increased depth

Extensive set of control states for flexibility

JTAG interface

No time penalty when checking both VPI/VCI and

VPI only connections

100-pin TQFP package; 3.3 volt operation

DQ31–0

/VB

COMPARAND REGISTER

MASK REGISTERS 1–7

ADDRESS REGISTER

/CS1

/CS2

AA11–0

PA3–0

CONFIGURATION REGISTER

/OE

/AV

STATUS REGISTER

INSTRUCTION REGISTER

DEVICE SELECT REGISTER

PRIORITY

ENCODER

AND

CONTROL

AND

AC11–0

/FI

ADDRESS

DECODER

FLAG

LOGIC

/RESET

TCLK

TMS

/FF

/MI

/MF

/MV

/MM

4K x 32CAM

TDI

TDO

/TRST

Figure 1: 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.

November 13, 2000 Rev. 3

12 3 4 5 6 7...32

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