參數(shù)資料
型號(hào)： SAA7325H
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： Digital servo processor and Compact Disc decoder with integrated DAC CD10
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝： PLASTIC, SOT-393-1, QFP-64
文件頁(yè)數(shù)： 56/68頁(yè)
文件大?。?/td> 273K
代理商： SAA7325H
1999 Jun 17
56
Philips Semiconductors
Product specification
Digital servo processor and Compact Disc
decoder with integrated DAC (CD10)
SAA7325
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 decoder registers 0 to F; reading Q-channel
subcode and decoder status);
see Figs 34 and 35; note 1
I
NPUTS
SCL
AND
RAB
t
CL
t
CH
t
r
t
f
R
EAD MODE
(C
L
= 20 pF)
t
dRD
delay time RAB to SDA
valid
t
PD
propagation delay SCL to
SDA
t
dRZ
delay time RAB to SDA
high-impedance
input LOW time
input HIGH time
rise time
fall time
500
500
480
480
2420
2420
480
480
ns
ns
ns
ns
50
50
ns
700
980
740
4820
ns
50
50
ns
W
RITE MODE
(C
L
= 20 pF)
t
suD
set-up time SDA to SCL
t
hD
hold time SCL to SDA
t
suCR
set-up time SCL to RAB
t
dWZ
delay time SDA
high-impedance to RAB
note 2
700
260
0
980
700
1220
0
4820
ns
ns
ns
ns
Microcontroller interface timing (4-wire bus mode; servo commands);
see Figs 36 and 37; notes 3
I
NPUTS
SCL
AND
SILD
t
L
t
H
t
r
t
f
R
EAD MODE
(C
L
= 20 pF)
t
dLD
delay time SILD to SDA
valid
t
PD
propagation delay SCL to
SDA
t
dLZ
delay time SILD to SDA
high-impedance
t
sCLR
set-up time SCL to SILD
t
hCLR
hold time SILD to SCL
input LOW time
input HIGH time
rise time
fall time
710
710
240
240
710
710
240
240
ns
ns
ns
ns
25
25
ns
950
950
ns
50
50
ns
480
830
480
830
ns
ns
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