SAA7385GP Philips Semiconductors, SAA7385GP Datasheet - Page 54

• Manufacturer Part Number: SAA7385GP
• Description: Error correction and host interface IC for CD-ROM SEQUOIA
• Manufacturer: Philips Semiconductors

Philips Semiconductors
15.7
V
1996 Jun 19
handbook, full pagewidth
Program memory fetch timing; see Fig.23
t
t
t
t
t
t
t
t
t
DD
AVLL
LLAX
LLPL
PLPH
PLIV
PXIX
PXIZ
AVIV
PLAZ
SYMBOL
Error correction and host interface IC for
CD-ROM (SEQUOIA)
= 4.75 to 5.25 V; V
Microprocessor interface
address valid to ALE LOW
address hold after ALE LOW
ALE LOW to PSEN LOW
PSEN pulse width
PSEN LOW to valid input instruction
Input instruction hold after PSEN
Input instruction float after PSEN
address to valid input instruction
PSEN low to address float
LA7 to LA0
A15 to A8
SS
PSEN
= 0 V; T
amb
= 10 to +70 C; unless otherwise specified.
PARAMETER
Fig.23 Program code fetch cycle.
t LLAX + t AVLL
t AVLL + t LLPL
54
t AVIV
t PLAZ
t PLIV
t PLPH
15
35
25
80
0
t PXIX
MIN.
t PXIZ
MGE411
65
30
130
6
Preliminary specification
MAX.
SAA7385
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT