MU9C6485-12QGI
| Model | MU9C6485-12QGI |
| Description | Content Addressable SRAM, 16KX64, CMOS, PQFP160, PLASTIC, QFP-160 |
| PDF file | Total 32 pages (File size: 163K) |
| Chip Manufacturer | MUSIC |
Advance Information
LANCAM
®
WL Family
APPLICATION BENEFITS
Enhances Ethernet and Token-Ring LAN bridges
and switches:
Ø
64-bit width stores 48-bit MAC address plus
associated data (Port ID, time stamp,
“permanent” flag)
32-bit I/O supports ports of fast (100 Mb)
Ethernet or Gigabit Ethernet
Ø
Station list depth flexibility with choice
of pin-compatible device densities and
glue-free cascading
3.3 Volt supply for low power operation
Industrial temperature grades for harsh
environments
DISTINCTIVE CHARACTERISTICS
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø
32,768 (MU9C7485) and 16,384 (MU9C6485) word
CMOS content-addressable memories (CAMs)
64-bit word width
32-bit I/O
Fast 50 ns compare speed
Dual configuration register set for rapid context
switching
Increased flexibility of MUSIC’s patented CAM/RAM
partitioning
160-Pin in PQFP package
3.3 Volt operation
IEEE 1149.1 (JTAG) compliant
Ø
Ø
Ø
(3 2 )
M UX
D A TA (6 4 )
I/ O
BU FFE R S
DQ 3 1 – 0
(3 2 )
(3 2 )
TR A N S LA TE
(8 02 .3 /8 0 2 .5 )
DE M U X
D A TA (6 4 )
(3 2 )
S O URCE AND
D E S TIN A TIO N
S E G M E NT
C O U N TE R S
CO M P ARAND
M A S K R E G IS TE R 1
M A S K R E G IS TE R 2
C O MM A N D S
& S TA TU S
3 2 K or 1 6 K X 2 V A L ID ITY B ITS
A D D R E S S D E CO D E R
P R IO R ITY E N C O D E R
/W
/E
/CM
/EC
/R E S E T
17/ 16
/M A
/M M
2
CO NT RO L
LO G I C
CO NT RO L
AND S T AT US
RE G IS T ER S
CAM A RR AY
3 2 K or 1 6 K
W O RD S
X 6 4 B ITS
15/ 14
/ FF
F LA G
L O G IC
/ FI
/M F
/M I
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.
1 October 1998 Rev. 0a
