參數(shù)資料
型號: SAA7740H
廠商: NXP SEMICONDUCTORS
元件分類: 數(shù)字信號處理
英文描述: Digital Audio Processing IC DAPIC
中文描述: 4-BIT, 23 MHz, OTHER DSP, PQFP64
封裝: 14 X 20 MM, 2.80 MM HEIGHT, PLASTIC, QFP-64
文件頁數(shù): 18/28頁
文件大?。?/td> 142K
代理商: SAA7740H
1997 May 30
18
Philips Semiconductors
Product specification
Digital Audio Processing IC (DAPIC)
SAA7740H
t
h1CA;CAS
t
h2CA;CAS
t
W;CAS
t
p;CAS
t
cy;CAS
t
acc;CA
t
acc;CAS
t
acc;RAS
t
hDAT;CAS
t
rcy;def
t
su;DAT
t
h;DAT
t
hDAT;RAS
t
wcy;def
t
off
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
3
×
1
2
T
clk
14
1
2
T
clk
15
2
×
1
2
T
clk
14
2
×
1
2
T
clk
11
4
×
1
2
T
clk
2
4
×
1
2
T
clk
10
1
2
T
clk
8
3
×
1
2
T
clk
16
5
×
1
2
T
clk
15
2
×
1
2
T
clk
12
3
×
1
2
T
clk
20
2
×
1
2
T
clk
24
4
×
1
2
T
clk
22
1
2
T
clk
+ 8
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
Fig.9 I
2
S-bus timing diagram.
handbook, full pagewidth
MLC157
CL
WS
DATA IN
DATA OUT
tacc
th2
tsu2
th1
tsu1
tHC
tLC
VH
VL
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