參數(shù)資料
型號: SAA7374GP
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: Low voltage digital servo processor and Compact Disc decoder CD7LV
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: 14 X 14 MM, 2.70 MM HEIGHT, PLASTIC, MS-022, SOT-393-1, QFP-64
文件頁數(shù): 51/60頁
文件大?。?/td> 324K
代理商: SAA7374GP
1998 Feb 26
51
Philips Semiconductors
Product specification
Low voltage digital servo processor and
Compact Disc decoder (CD7LV)
SAA7374
12 OPERATING CHARACTERISTICS (MICROCONTROLLER INTERFACE TIMING)
V
DD
= 3.0 to 3.6 V; V
SS
= 0 V; T
amb
=
10 to +70
°
C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
NORMAL MODE
LOCK-TO-DISC MODE
UNIT
MIN.
MAX.
MIN.
MAX.
Microcontroller interface timing (4-wire bus mode; writing to registers 0 to F; reading Q-channel subcode and
decoder status);
see Figs 33 and 34; note 1
.
I
NPUTS
SCL
AND
RAB
t
CL
t
CH
t
r
t
f
R
EAD MODE
(C
L
= 20 pF)
t
dRD
input LOW time
input HIGH time
rise time
fall time
480/n + 20
480/n + 20
480/n
480/n
2400/n + 20
2400/n + 20
ns
ns
ns
ns
480/n
480/n
delay time RAB to SDA
valid
propagation delay SCL
to SDA
delay time RAB to SDA
high-impedance
50
50
ns
t
PD
720/n
20
960/n + 20
720/n + 20
4800/n + 20
ns
t
dRZ
50
50
ns
W
RITE MODE
(C
L
= 20 pF)
t
suD
set-up time SDA to
SCL
hold time SCL to SDA
set-up time SCL to
RAB
delay time SDA
high-impedance to
RAB
note 2
20
720/n
20
720/n
ns
t
hD
t
suCR
240/n + 20
960/n + 20
-
1200/n + 20
4800/n + 20
ns
ns
t
dWZ
0
0
ns
Microcontroller interface timing (4-wire bus mode; servo commands);
see Figs 35 and 36
I
NPUTS
SCL
AND
SILD
t
L
t
H
t
r
t
f
Input LOW time
Input HIGH time
rise time
fall time
710
710
240
240
710
710
240
240
ns
ns
ns
ns
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