TDA9874A Philips Semiconductors, TDA9874A Datasheet - Page 18

• Manufacturer Part Number: TDA9874A
• Description: Digital TV sound demodulator/decoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1999 Dec 03
Z
Digital inputs and outputs
I
CMOS level input, high drive, pull-down (pins TEST1, TEST2, TP1 and TP2)
V
V
C
Z
CMOS level input, hysteresis, high drive, pull-up (pin CRESET)
V
V
V
C
Z
I
I
V
V
V
I
C
V
C
TTL/CMOS level, high drive, 4 mA 3-state output stage, pull-up (pins PCLK, NICAM, ADDR1, ADDR2, P1, P2, SCK,
WS and SDO)
V
V
C
V
V
C
Z
O
4 mA 3-state output stage (pin SYSCLK)
V
V
C
I
NPUTS
NPUTS
2
LI
LO(Z)
(Vref2-VSSA3)
i
i
i
IL
IH
IL
IH
hys
IL
IH
hys
OL
IL
IH
OL
OH
OL
OH
SYMBOL
i
i
C-bus level input with Schmitt trigger, open-drain output stage (pins SCL and SDA)
i
L
i
L
L
Digital TV sound demodulator/decoder
UTPUTS
/
OUTPUTS
impedance V
LOW-level input voltage
HIGH-level input voltage
input capacitance
input impedance
LOW-level input voltage
HIGH-level input voltage
hysteresis voltage
input capacitance
input impedance
LOW-level input voltage
HIGH-level input voltage
hysteresis voltage
input leakage current
input capacitance
LOW-level output voltage
load capacitance
LOW-level input voltage
HIGH-level input voltage
input capacitance
LOW-level output voltage
HIGH-level output voltage
load capacitance
input impedance
LOW-level output voltage
HIGH-level output voltage
load capacitance
3-state leakage current
PARAMETER
ref2
to V
SSA3
I
I
active pull-up
I
I
V
OL
OH
OL
OH
i
= 0 to V
= 3 mA
= 2 mA
= 3 mA
= 2 mA
CONDITIONS
18
DDD
0.7V
0.7V
0.7V
2.0
2.4
0.7V
MIN.
DDD
DDD
DDD
DDD
20
50
1.3
50
0.05V
50
TYP.
Preliminary specification
DDD
TDA9874A
0.3V
10
0.3V
10
0.3V
10
0.6
400
0.8
10
0.4
100
0.3V
100
10
10
MAX.
DDD
DDD
DDD
DDD
k
V
V
pF
k
V
V
V
pF
k
V
V
V
pF
V
pF
V
V
pF
V
V
pF
k
V
V
pF
UNIT
A
A