SAA7380GP Philips Semiconductors, SAA7380GP Datasheet - Page 37

• Manufacturer Part Number: SAA7380GP
• Description: Error correction and host interface IC for CD-ROM ELM
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1996 Apr 25
DRAM interface timing; see Figs 11 and 12; note 2
t
t
t
t
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t
t
t
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t
t
t
t
t
t
t
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t
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t
SYMBOL
RC
PC
CAC
RAC
OFF
RHCP
CAA
RP
RAS
RSH
CAS
CSH
CP
CRP
RCD
RAD
ASR
RAH
ASC
CAH
AR
RAL
RCS
RCH
RRH
WCH
WP
WCR
CWL
RWL
DS
DH
DHR
RFSH
CSR
CHR
RPC
Error correction and host interface IC for
CD-ROM (ELM)
read or write cycle period
page mode cycle time
access time from CAS
access time from RAS
output disable time from CAS
RAS hold time from CAS precharge
page mode
column address access
RAS HIGH time
RAS LOW time
RAS hold time
CAS LOW time
CAS hold time
CAS HIGH pulse width
delay CAS HIGH to RAS
RAS to CAS delay time
RAS to column address delay
row address set-up time
row address hold time
column address set-up time
column address hold time
column address hold time from
RAS LOW
column address to RAS lead
read set-up time before CAS
read command hold time
read command hold time from RAS
write command hold time
write command LOW time
write command hold time from RAS
write command to CAS lead
write command to RAS lead
data output set-up time
data output hold time
data output hold from RAS
refresh cycle time
CAS set-up time for refresh
CAS hold time for refresh
precharge to CAS active time
PARAMETER
MEMS(3) = 0
MEMS(3) = 1
CONDITIONS
37
10T
4T
0
4T
4T
6T
4T
3T
7T
T
3T
2T
T
3T
T
T
3T
5T
3T
4T
T
2T
6T
10T
8T
9T
8T
T
3T
7T
2T
6T
T
MIN.
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
TYP.
Preliminary specification
3T
7T
4T
400T
800T
SAA7380
MAX.
10
10
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT