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參數(shù)資料
| 型號： | SCM69C433 |
| 廠商： | Motorola, Inc. |
| 英文描述： | A Flexible Content-Addressable Memory (16K x 64 CAM)(1M內(nèi)容可尋址存儲器) |
| 中文描述： | 一個(gè)靈活的內(nèi)容尋址存儲器（16K的× 64 CAM）的（100萬內(nèi)容可尋址存儲器） |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 167K |
| 代理商： | SCM69C433 |
MCM69C433
SCM69C433
1
MOTOROLA FAST SRAM
Motorola, Inc. 2000
16K x 64 CAM
The MCM69C433 is a flexible content–addressable memory (CAM) that can
contain 16K entries of 64 bits each. The widths of the match field and the output
field are programmable, and the match time is designed to be 240 ns. As a result,
the MCM69C433 is well suited for datacom applications such as Virtual Path
Identifier/Virtual Circuit Identifier (VPI/VCI) translation in ATM switches up to
OC12 (622 Mbps) data rates and Media Access Control (MAC) address lookup
in Ethernet/Fast Ethernet bridges. The match duty cycle of the MCM69C433 is
user–defined, with a trade–off between the time between matches and the rate
of new entries added to the CAM per second.
16K Entries
240 ns Match Time
Mask Register to “Don’t Care” Selected Bits
Depth Expansion by Cascading Multiple Devices
66 MHz Maximum Clock Rate
Programmable Match and Output Field Widths
Concurrent Matching of Virtual Path Circuits and Virtual Connection
Circuits in ATM Mode
Separate Ports for Control and Match Operations
450 ns Insertion Time if 1 of 14 Entry Queue Locations is Empty
120 ms Initialization Time After Fast Insertion (at Power–Up Only)
Single 3.3 V
±
5% Supply
IEEE Standard 1149.1 Test Port (JTAG)
100–Pin TQFP Package
Related Products
— MCM69D536, MCM69D618 (Dual I/O, Dual Address RAMs)
— MCM67Q709A, MCM67Q909 (Separate I/O RAMs)
— MCM69C232, MCM69C432, MCM69C233 (CAMs)
A2 – A0
DQ15 – DQ0
SEL
WE
IRQ
DTACK
14 x 64
ENTRY QUEUE
STATUS/
CONTROL
LOGIC
INPUT REG
16K x 64
CAM
TABLE
MQ31 – MQ0
K
G
LH/SM
LL
MC
MS
VPC
RESET
CONTROL PORT
MATCH PORT
KMODE
Order this document
by MCM69C433/D
SEMICONDUCTOR TECHNICAL DATA
MCM69C433
SCM69C433
TQ PACKAGE
TQFP
CASE 983A–01
REV 2
6/19/00
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