SAA7740 データシートの表示（PDF） - Philips Electronics
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SAA7740 Datasheet PDF : 28 Pages
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Philips Semiconductors
Digital Audio Processing IC (DAPIC)
SYMBOL
th1CA;CAS
th2CA;CAS
tW;CAS
tp;CAS
tcy;CAS
tacc;CA
tacc;CAS
tacc;RAS
thDAT;CAS
trcy;def
tsu;DAT
th;DAT
thDAT;RAS
twcy;def
toff
PARAMETER
column address hold time to CAS
column address hold time to CAS precharge
CAS pulse width
CAS precharge time
CAS page mode cycle time
access time from column address
access time from CAS
access time from RAS
data hold time from CAS
read cycle definition time
data input set-up time
data input hold time
data input hold time from RAS
write cycle definition time
output data disable time
Product specification
SAA7740H
MIN.
3 × 1⁄2Tclk − 14
1⁄2Tclk − 15
2 × 1⁄2Tclk − 14
2 × 1⁄2Tclk − 11
4 × 1⁄2Tclk
−
−
−
2
4 × 1⁄2Tclk − 10
1⁄2Tclk − 8
3 × 1⁄2Tclk − 16
5 × 1⁄2Tclk − 15
2 × 1⁄2Tclk − 12
−
MAX.
−
−
−
−
−
3 × 1⁄2Tclk − 20
2 × 1⁄2Tclk − 24
4 × 1⁄2Tclk − 22
−
−
−
−
−
−
1⁄2Tclk + 8
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
handbook, full pagewidth
CL
t HC
t h1
t LC
t su1
WS
t su2
DATA IN
t acc
DATA OUT
VH
VL
t h2
MLC157
Fig.9 I2S-bus timing diagram.
1997 May 30
18
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