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AverLogic Technologies

AL4CA05 Datasheet Preview

AL4CA05 Datasheet

(AL4CAxx) 512/ 1K/ 2K/ 4K/ 8K x 9 Asynchronous FIFOs

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AL4CA01/02/03/04/05
512/ 1K/ 2K/ 4K/ 8K x 9 Asynchronous FIFOs
Applications
- ATM switches
- Routers
- Cable modems
- Wireless base stations
www.DataSheet4U-.comSONET(Synchronous Optical Network)
multiplexers
- Multimedia systems
- TBC(Time Base Corrector)
- Hard Disk cache memory
- Buffer for Communications
Description
The AL4CA01/02/03/04/05 Asynchronous
FIFO (First In First Out) memory provides
completely independent 9bit bus width input
and output port control that have a
maximum data access time as fast as 12ns.
The products are available in densities from
4Kbit to 64Kbit with word depths from
512bit to 8Kbit.
Features
High performance, low-power, FIFO(First-
In First-Out) memory
512 x9 bit I/O port (AL4CA01)
1K x9 bit I/O port (AL4CA02)
2K x9 bit I/O port (AL4CA03)
4K x9 bit I/O port (AL4CA04)
8K x9 bit I/O port (AL4CA05)
Asynchronous 12ns access time
Fully independent input/output port access
Empty, Full, Half Full flags
Auto Retransmit
Cascadable expansion in depth and width
3.3-volt power tolerant of 5-volt input
Standard 32-pin PLCC,
Ordering Information
Part number AL4CA01, AL4CA02, AL4CA03,
AL4CA04, AL4CA05
Package
32-pin plastic PLCC
Power Supply
+3.3V±10%
13 5
14 AVERLOGIC 4
AL4CA0X
X-XX-XX
XXXXX
1
XXXX
20
30
21
PLCC TOP VIEW
29




AverLogic Technologies

AL4CA05 Datasheet Preview

AL4CA05 Datasheet

(AL4CAxx) 512/ 1K/ 2K/ 4K/ 8K x 9 Asynchronous FIFOs

No Preview Available !

Input data bus
Input
Buffer
Memory Array
512 x9, 1K x9,
2K x9, 4K x9,
8K x9, 16K x9,
Output
Buffer
Output data bus
/W
Write Control
Logic
Write Pointer
Offset Regissers
/RS
www.DataSheet4U.com /FL(RT/)
Reset Logic
Read Control
Logic
Read Pointer
Flag Logic
Expansion Logic
AL4CA0x FIFO Block Diagram
/R
/FF
/EF
/XO
/XI(/HF)
The read and write operations are internally
sequential through the managing of address
pointers, with no address line control
required to store and retrieve data. Data is
toggled in and out of the FIFO through the
use of the Write and Read enable pins.
Additional features of the AL4CA0x series
include: Retransmit(/RT) that allows for
reset of the read pointer and do the
retransmit operation; Empty, Full and Half-
Full flags can indicate the FIFO accessible
capacity. AL4CA0x FIFO memory is
AverLogic Technologies, latest products that
is designed to buffer data for a wide range of
application such as optical storage
controllers, Networking Switches and
various communication applications. The
embedded memory array with built-in
address decoder, pointer manager and state-
of-the-art circuits provide an easy-to-use
interface to serial read/write memory and
offer a flexible way to manage memory in the
system design.
There are 3 flag signals, Empty Flag/Output
Ready and Full Flag/Input Ready, and Half
Full flags that enable further manipulation of
the synchronous control.
Multiple AL4CX0xs can be cascaded to
expand the storage depth or can be used in
parallel to expand bus width.
The FIFOs are 3.3-volt devices with 5-volt
input tolerance. And are available in the 32-
pin PLCC Package.
DISTRIBUTED BY:
AVERLOGIC TECHNOLOGIES, INC. TEL: 1 408 361-0400 e-mail: sales@averlogic.com URL: www.averlogic.com
December 14, 2001


Part Number AL4CA05
Description (AL4CAxx) 512/ 1K/ 2K/ 4K/ 8K x 9 Asynchronous FIFOs
Maker AverLogic Technologies
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AL4CA05 Datasheet PDF






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