參數(shù)資料
型號(hào): SAA7390GP
廠商: NXP Semiconductors N.V.
英文描述: High performance Compact Disc-Recordable CD-R controller
中文描述: 高性能式光盤CD - R光盤控制器
文件頁數(shù): 67/76頁
文件大小: 366K
代理商: SAA7390GP
1996 Jul 02
67
Philips Semiconductors
Preliminary specification
High performance Compact
Disc-Recordable (CD-R) controller
SAA7390
15.9
V
DD
= 4.75 to 5.25 V; V
SS
= 0 V; T
amb
=
10 to +70
°
C; unless otherwise specified.
DRAM interface (the SAA7390 is designed to operate with standard 70 ns DRAMs)
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
DRAM interface timing;
see Figs 33 to 37
t
acc;CA
t
hCA;RAS
t
su;CA
t
su;RA
t
acc;CAS
t
h;CA
t
W;CAS
t
h;CAS
t
CASLZ
t
pCAS
t
acc;pCAS
t
pCAS;RAS
t
h;CAS
t
su;CAS
t
wCASL
t
h;DAT
t
hDAT;RAS
t
su;DAT
t
d;OFF
t
cy;FPR/W
t
cy;FPR-W
t
acc;RAS
t
dRAS;CA
t
h;RA
t
W;RAS
t
W;RASFP
t
CA;RASL
t
cy;R/W
t
dRAS;CAS
t
su;R
t
hrR;CAS
t
REF
t
pRAS
t
pRAS;CAS
t
hr;RAS
t
h;RAS
t
cy;R-W
access time from column address
column address hold time from RAS
column address set-up time
row address set-up time
access time from CAS
column address hold time
CAS pulse width
CAS hold time (CBR refresh)
CAS to output in low impedance
CAS precharge time
access time from CAS precharge
CAS to RAS precharge time
CAS hold time
CAS set-up time (CBR refresh)
write command to CAS lead time
data input hold time
data input hold time from RAS
data input set-up time
output buffer turn off delay
fast page mode read or write cycle time
fast page mode read-write cycle time
access time from RAS
RAS to column address delay time
row address hold time
RAS pulse width
RAS pulse width (fast page mode)
column address to RAS lead time
random read or write cycle time
RAS to CAS delay time
read command set-up time
read command hold time (referenced to CAS)
refresh period
RAS precharge time
RAS to CAS precharge time
read command hold time (referenced to RAS)
RAS hold time
read-write cycle time
55
0
0
15
20
15
3
10
5
70
5
20
15
55
0
3
40
n/a
(1)
15
10
70
70
35
130
20
0
0
50
0
0
20
n/a
(1)
35
20
10000
40
20
70
35
10000
100000
50
32
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
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