AL422B AverLogic Technologies, Inc., AL422B Datasheet
AL422B
Manufacturer Part Number
AL422B
Description
3M-bits FIFO field memory
Manufacturer
AverLogic Technologies, Inc.
Datasheet
1.AL422B.pdf
(2 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AL422B
Manufacturer:
AVERLOGIC
Quantity:
5
Part Number:
AL422B
Manufacturer:
AVERLGIC
Quantity:
20 000
Company:
Part Number:
AL422B-PBF
Manufacturer:
HISILICON
Quantity:
1 400
Part Number:
AL422B-PBF
Manufacturer:
AVERLOGIC
Quantity:
20 000
Applications
Multimedia systems
Video capture systems
Video editing systems
Scan rate converters
TV’s picture in picture feature
Anti-skip CD players
Description
The AL422B is a First-In-First-Output
(FIFO) video frame memory used to buffer
audio/video/graphic
processing, timing correction, or format
conversion. It is manufactured with state-of-
the-art embedded memory technology for
applications in TVs, VCRs, scan converters,
and digital video systems.
DO0 DO1 DO2 DO3 /RE GND /OE /RRST RCK DEC DO4 DO5 DO6 DO7
DI0
28
1
data
DI1
27
2
3M-Bit Frame Buffer
DI2
26
3
for
DI3
25
4
digital
/WE GND TST /WRST WCK VDD
24
5
23
6
AL422B
22
7
21
8
Ordering Information
Features
Part number
AL422B
20
9
384K (393,216) x 8 bits FIFO organization
Supports VGA and CCIR resolutions
Independent read/write operations (different
I/O data rates acceptable)
High speed independent 8-bit data I/O port
operations
Maximum operating speed grade: 50Mhz
Access time: 15 ns
Output enable control (data skipping)
3.3V power supply with 5V signal input
tolerant
Standard 28-pin SOP package
19
10
DI4
18
11
AL422-04 422B pinout diagram
28-pin plastic SOP
DI5
17
12
Package
DI6
16
13
DI7
15
14
AL422B
Power supply
+3.3 volt
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AL422B Summary of contents
Page 1
... Video capture systems Video editing systems Scan rate converters TV’s picture in picture feature Anti-skip CD players Description The AL422B is a First-In-First-Output (FIFO) video frame memory used to buffer audio/video/graphic data processing, timing correction, or format conversion manufactured with state-of- the-art embedded memory technology for applications in TVs, VCRs, scan converters, and digital video systems ...
Page 2
... The AverLogic AL422 provides 50% more memory to support high resolution for digital PC graphic or video applications. The 50% increase in speed also expands the range of applications. For more information about the AL422B or other AverLogic products, please contact your local authorized distributor, representative, visit our website, or contact us directly. A ...