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SAA7385 Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. SAA7385
Description  Error correction and host interface IC for CD-ROM SEQUOIA
Download  64 Pages
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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SAA7385 Datasheet(HTML) 4 Page - NXP Semiconductors

 
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1996 Jun 19
4
Philips Semiconductors
Preliminary specification
Error correction and host interface IC for
CD-ROM (SEQUOIA)
SAA7385
The SAA7385 uses a 33.8688 MHz clock and is capable
of accepting data at eight times (n = 8 or 1.4 Mbytes/s) the
normal CD-ROM data rate.
Third level error correction hardware is included to
improve the correction efficiency of the system. The buffer
manager hardware utilizes a ten-level arbitration unit and
can stop the clock to the microcontroller to emulate a wait
condition when necessary.
The SAA7385 comprises five major functional blocks:
• The 80C32 microcontroller is an industry standard core
• The 53CF94 is an industry standard core
• The front-end block connects to the external CD-60
based decoder and fully processes the incoming data
stream to provide bytes of data that are stored in the
external buffer
• The buffer manager block provides the address
generation and timing control for the external DRAM
buffer
• The ECC block performs the error correction functions in
hardware on the data in the DRAM buffer.
Supply of this Compact Disc IC does not convey an
implied license under any patent right to use this IC in
any Compact Disc application.
3
QUICK REFERENCE DATA
4
ORDERING INFORMATION
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
VDD
digital supply voltage
4.5
5.0
5.5
V
Tamb
operating ambient temperature
0
70
°C
Tstg
storage temperature
−55
+150
°C
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
SAA7385GP
SQFP128
plastic quad flat package; 128 leads (lead length 1.6 mm);
body 14
× 20 × 2.8 mm
SOT387-2


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