參數(shù)資料
型號(hào): SAA7382GP
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Error correction and host interface IC for CD-ROM ELM
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PQFP80
封裝: PLASTIC, QFP-80
文件頁(yè)數(shù): 36/60頁(yè)
文件大?。?/td> 226K
代理商: SAA7382GP
1996 Apr 25
36
Philips Semiconductors
Preliminary specification
Error correction and host interface IC for
CD-ROM (ELM)
SAA7382
11 TIMING CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
CD-DSP timing;
see Figs 4, 5 and 6; note 1
I
NPUT
: BCK
T
PO
t
HC
t
LC
I
NPUTS
: WS
AND
DATA
input clock period
clock HIGH time
clock LOW time
40
14
14
1050
ns
ns
ns
t
ST
t
HT
set-up time
hold time
8
0
ns
ns
Q-to-W subcode timing;
see Figs 7 and 8; note 1
I
NPUT
: SFSY
T
FW
T
F
T
LW
T
HW
O
UTPUT
: RCK
sync pulse width
frame cycle
LOW level period
HIGH level period
244
122
1.5
4
272
136
68
68
800
150
μ
s
μ
s
μ
s
μ
s
t
CD
t
HPW
t
LPW
I
NPUT
: SUB
output delay time
HIGH level period
LOW level period
5
0.6
2
20
4
4
30
6
9
μ
s
μ
s
μ
s
t
HD
t
AC
t
PAC
data hold time
data access time
P data access time
0
2
0.8
4
μ
s
μ
s
μ
s
SRAM interface timing;
see Figs 9 and 10; note 2
t
RC
t
DS
t
DH
t
WC
t
WP
t
AS
t
WR
t
DO
read cycle period
data set-up time
data hold time
write cycle time
write pulse time
address set-up time
write recovery time
data output time
6T
30
5
6T
2T
T
T
30
ns
ns
ns
ns
ns
ns
ns
ns
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