saa7157 NXP Semiconductors, saa7157 Datasheet - Page 6

• Manufacturer Part Number: saa7157
• Description: Clock Signal Generator Circuit For Digital Tv Systems Scgc
• Manufacturer: NXP Semiconductors

Philips Semiconductors
CHARACTERISTICS
V
May 1992
V
V
I
I
V
Input LFCO (pin 11)
V
V
f
C
Inputs MS, CE, LFCOSEL and LFCO2 (pins 1, 2, 16 and 19); note 3
V
V
f
I
C
Output RESN (pin 12)
V
V
t
Output CREF (pin 15)
V
V
f
C
t
t
DDA
DDD
LFCO
LFCO2
LI
d
CREF
SU
HD
DDA
DDA
DDD
reset
11
i
IL
IH
OL
OH
OL
OH
11
I
L
Clock signal generator circuit for digital TV
systems (SCGC)
SYMBOL
= 4.5 to 5.5 V; V
analog supply voltage (pin 5)
digital supply voltage (pins 8 and 17)
analog supply current (pin 5)
digital supply current (I
power-on reset threshold voltage
DC input voltage
input signal (peak-to-peak value)
input frequency range
input capacitance
input voltage LOW
input voltage HIGH
input frequency range for LFCO2
input leakage current
input capacitance
output voltage LOW
output voltage HIGH
RESN delay time
output voltage LOW
output voltage HIGH
output frequency CREF
output load capacitance
set-up time
hold time
DDD
= 4.5 to 5.5 V; f
PARAMETER
8
LFCO
I
17
)
= 6.0 to 7.25 MHz and T
note 1
Fig.4
LFCOSEL
others
I
I
C
I
I
Fig.3
Fig.3; note 1
Fig.3; note 1
O L
OH
O L
OH
3
6
CONDITIONS
= 0.1 F; Fig.4
= 0.5 mA
= 0.5 mA
= 2 mA
= 2 mA
amb
= 0 to 70 C unless otherwise specified.
4.5
4.5
3
10
0
1
6.0
0
2.0
6.0
50
0
2.4
20
0
2.4
15
12
4
MIN.
5.0
5.0
3.5
2 f
TYP.
LFCO(2)
Product specification
5.5
5.5
9
60
V
V
7.25
10
0.8
V
7.25
150
10
5
0.4
V
200
0.6
V
40
MAX.
DDA
DDA
DDD
DDD
DDD
SAA7157
V
V
mA
mA
V
V
V
MHz
pF
V
V
MHz
pF
V
V
ms
V
V
MHz
pF
ns
ns
A
A
UNIT