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SAA7385 Datasheet(PDF) 54 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) 54 Page - NXP Semiconductors

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1996 Jun 19
54
Philips Semiconductors
Preliminary specification
Error correction and host interface IC for
CD-ROM (SEQUOIA)
SAA7385
15.7
Microprocessor interface
VDD = 4.75 to 5.25 V; VSS =0V; Tamb = −10 to +70 °C; unless otherwise specified.
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
Program memory fetch timing; see Fig.23
tAVLL
address valid to ALE LOW
15
ns
tLLAX
address hold after ALE LOW
35
ns
tLLPL
ALE LOW to PSEN LOW
25
ns
tPLPH
PSEN pulse width
80
ns
tPLIV
PSEN LOW to valid input instruction
65
ns
tPXIX
Input instruction hold after PSEN
0
ns
tPXIZ
Input instruction float after PSEN
30
ns
tAVIV
address to valid input instruction
130
ns
tPLAZ
PSEN low to address float
6ns
Fig.23 Program code fetch cycle.
handbook, full pagewidth
MGE411
LA7 to LA0
A15 to A8
tPLPH
tAVIV
tPXIZ
tPLIV
tPLAZ
tPXIX
tAVLL + tLLPL
tLLAX + tAVLL
PSEN


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