AL4CS205/215/225/235/245
256, 512, 1K, 2K, 4K x 18 Synchronous FIFOs
Applications
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Multimedia System
ATM Switches
Routers
Cable Modems
Wireless Base Stations
SONET(Synchronous Optical Network)
Multiplexers
TBC(Time Base Corrector)
Hard Disk cache memory
Features
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High performance, low-power, FIFO(First-
In First-Out) memory
256 x 18 bit I/O port (AL4CS205)
512 x 18 bit I/O port (AL4CS215)
1K x18 bit 1/O port (AL4CS225)
2K x18 bit I/O port (AL4CS235)
4K x18 bit I/O port (AL4CS245)
High clock speed (133MHz)
Fully independent read/write access
Empty, Full, Half Full and programmable
Almost Empty, Almost Full flags
Output enable control (data skipping)
Cascadable expansion in depth and width
3.3V±10% power supply with 5V signal
tolerant input
Standard 64-pin TQFP and STQFP
Description
The AL4CS2x5 series memory products are
high-performance,
low-power
18bit
read/write FIFO (First-In-First-Out) memory
chip designed to buffer high speed streaming
data for a wide range of applications. The
AL4CS2x5 FIFO memories are AverLogic
Technologies, Inc.’s new serial products that
are also specially designed to target at
various communication applications.
Ordering Information
Part number
Package
Power Supply
AL4CS205, AL4CS215,
AL4CS225, AL4CS235, AL4CS245
64-pin plastic TQFP and STQFP
+3.3V
±10%
33
48
49
32
AVERLOGIC
AL4CS2X5
X-XX-XX
XXXXX
XXXX
64
17
1
16
TQFP, STQFP PACKAGE TOP VIEW