AL4CE211/221/231/241/251
512, 1K, 2K, 4K, 8K x 9 Advanced 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
512 x 9 bit I/O port (AL4CE211)
1K x 9 bit 1/O port (AL4CE221)
2K x 9 bit I/O port (AL4CE231)
4K x 9 bit I/O port (AL4CE241)
8K x 9 bit I/O port (AL4CE251)
High clock speed (133MHz)
Fully independent read/write access
Retransmit the data (reread the data)
Empty, Full, and programmable Almost
Empty, Almost Full flags
Output enable control (data skipping)
3.3V power with 5V signal tolerant input
Standard 32-pin TQFP
Description
The AL4CE2x1 series memory products are
high-performance, low-power 9bit read/write
FIFO (First-In-First-Out) memory chip
designed to buffer high speed streaming data
for a wide range of applications. The
AL4CE2x1 FIFO memories are the advanced
version of AL4CS2x1.
Retransmit is
supported in this product series to reduce
designing efforts.
Ordering Information
Part number
Package
Power Supply
AL4CE211, AL4CE221,
AL4CE231, AL4CE241, AL4CE251
32-pin plastic TQFP
+3.3V±10%
24
23
22
21
20
19
18
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
17
16
15
14
13
12
11
10
9
AVERLOGIC
AL4CE2X1
x-xx-xx
xxxx
xxxx
TQFP PACKAGE TOP VIEW
AVERLOGIC [ AVERLOGIC TECHNOLOGIES INC ]
