參數(shù)資料
型號: SAA2500H
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: MPEG Audio Source Decoder
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44
文件頁數(shù): 44/47頁
文件大?。?/td> 199K
代理商: SAA2500H
September 1994
44
Philips Semiconductors
Preliminary specification
MPEG Audio Source Decoder
SAA2500
Notes
1.
Short rise and fall times improve the tolerance of clocks to signal and supply noise.
2.
If MCLK24 = 1 then
else
.
3.
4.
5.
6.
To allow for the effects of load capacitance the timing values should be de-rated by 0.5 ns/pF.
For maximum clock signal load of 25 pF.
L3DATA to L3CLK HIGH.
L3DATA to L3MODE HIGH.
Inputs
C
I
t
su1
t
su2
input capacitance
set-up time TI to SCK HIGH
set-up time CDM and CDMEF to
CDMCL, CDS, CDSEF and CDSWA
HIGH
set-up time CDSSY to CDSCL HIGH
delay time L3MODE to L3LCK LOW
hold time TI to SCK HIGH
hold time CDM, CDMEF to CDMCL,
CDS, CDSEF and CDSWA HIGH
hold time CDSSY to CDSCL HIGH
input hold time
L3MODE LOW time
33
42
10
pF
ns
ns
C
L
< 25 pF
C
L
< 25 pF
t
su3
t
d1
t
h1
t
h2
T
m
+ 10
0
0
0
ns
ns
ns
ns
t
h3
t
h4
t
L
10
0
T
m
+ 10
ns
ns
ns
Outputs
C
O
t
h
output capacitance
hold time SD, WS, TO, TB and TA to
SCK LOW
hold time CDMWS to CDMCL LOW
delay time SD, WS, TO, TB and TA to
CDMCL LOW
delay time CDMWS to CDMCL LOW
22
50
pF
ns
notes 3 and 4
t
h
t
d
notes 3 and 4
note 3
15
10
ns
ns
t
d
note 3
0
ns
Inputs/outputs
C
O
t
su
t
h
t
h
t
d
t
d2
t
d3
t
d5
output capacitance
input set-up time
input hold time
output hold time
output delay time
3-state enable time
3-state stable time
3-state disable time L3DATA to
L3MODE LOW
T
m
+ 10
10
T
m
50
2T
m
+ 30
20
20
20
pF
ns
ns
ns
ns
ns
ns
ns
note 5
note 5
notes 3 and 5
notes 3 and 5
notes 3 and 6
notes 3 and 6
note 3
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
T
m
f
MCLKIN
-------4
=
T
m
f
MCLKIN
-------2
=
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