SAA7826HL Philips Semiconductors, SAA7826HL Datasheet - Page 77

• Manufacturer Part Number: SAA7826HL
• Description: CD audio decoder/ digital servo and filterless DAC with integrated pre-amp and laser control
• Manufacturer: Philips Semiconductors

Philips Semiconductors
13 OPERATING CHARACTERISTICS (MICROCONTROLLER INTERFACE TIMING)
V
2003 Oct 01
Microcontroller interface timing (4-wire bus mode; writing to decoder registers 0 to F; reading Q-channel
subcode and decoder status); see Figs.36 and 37; note 1
I
t
t
t
t
R
t
t
t
W
t
t
t
t
Microcontroller interface timing (4-wire bus mode; servo commands); see Figs.36 and 38; note 2
I
t
t
t
t
R
t
t
t
t
NPUTS
CL
CH
r
f
dRD
PD
dRZ
suD
hD
suCR
dWZ
NPUTS
L
H
r
f
dLD
PD
dLZ
suCLR
DD
EAD MODE
EAD MODE
CD audio decoder, digital servo and filterless
DAC with integrated pre-amp and laser control
SYMBOL
RITE MODE
= 1.65 to 1.95 V; V
SCL
SCL
(C
(C
AND
AND
(C
L
L
input clock LOW time
input clock HIGH time
input rise time
input fall time
delay time RAB to
SDA valid
propagation delay
SCL to SDA
delay time RAB to
SDA high-impedance
set-up time SDA to
SCL
hold time SCL to SDA
set-up time SCL to
RAB
delay time SDA to
RAB high-impedance
input LOW time
input HIGH time
input rise time
input fall time
delay time SILD to
SDA valid
propagation delay
SCL to SDA
delay time SILD to
SDA high-impedance
set-up time SCL to
SILD
L
= 20 pF)
= 20 pF)
RAB
SILD
= 20 pF)
PARAMETER
SS
= 0 V; T
amb
= 40 to +85 C; unless otherwise specified.
note 2
CONDITIONS
480/n + 20
480/n + 20
720/n
20
240/n + 20
0
710
710
480
77
NORMAL MODE
MIN.
720/n
20
480/n
480/n
50
960/n + 20 720/n + 20
50
960/n + 20
240
240
25
950
50
MAX.
2400/n + 20
2400/n + 20
20
1200/n + 20
0
710
710
480
LOCK-TO-DISC MODE
MIN.
720/n
Product specification
480/n
480/n
50
4800/n + 20
50
4800/n + 20 ns
240
240
25
950
50
MAX.
SAA7826
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT