U813BS/U813BSE
1.1-GHz Prescaler for PLLs in TV, CATV and SAT TV Tuners
Technology:
Bipolar
Features
D
D
D
D
U813BS ECL output stage
U813BSE emitter-follower output stage
3 scaling factors 64/128/256, programmable at Pin 5
High input sensitivity
D
D
D
D
Low output impedance
Low power consumption
Pin-compatible to the U6xxB-series except Pin 5
Electrostatic protection according to MIL-STD. 883
Case
8-pin dual-inline plastic
8-pin SO plastic
6-pin SIP plastic
(U813BS, U813BSE)
(U813BS-FP, U813BSE-FP)
(U813BS-SP, U813BSE-SP)
Block Diagram
Figure 1. Block diagram
TELEFUNKEN Semiconductors
Rev. A1, 05-Sep-96
1 (7)
U813BS/U813BSE
Absolute Maximum Ratings
Reference point pin 4 (1)
Parameters
Supply voltage
Input-voltage range
Junction temperature
Storage-temperature range
Ambient-temperature range
Pin 8 (4)
Pin 2, 3, 5 (2, 5, 6)
Symbol
V
S
V
i
T
i
T
stg
T
amb
Value
6
0 to V
S
125
–40 to +125
–25 to +70
Unit
V
V
°C
°C
°C
Thermal Resistance
Parameters
Junction ambient
DIP8
SIP6
SO8
Symbol
R
thJA
Value
100
100
175
Unit
K/W
Note:
The device is self-oscillating without input signal
Pin Description (Dip8, SO8)
Pin
1
2, 3
4
5
6, 7
8
Notes:
Function
Not connected
Input
Ground
Switch 64/128/256
Output
V
S
Pin Description (SIP6)
Pin
1
2
3
4
5,6
Function
Ground
Switch 64/128/256
Output
V
S
Input
Pin numbers without brackets apply to DIP8 and SO8 package,
Pin numbers with brackets to SIP6
RMS voltage calculated from the available power measured
2 (7)
TELEFUNKEN Semiconductors
Rev. A1, 05-Sep-96
U813BS/U813BSE
Electrical Characteristics
V
S
= 4.5 to 5.5 V, T
amb
= 0 to +70
_
C, referred to test circuit, unless otherwise specified
Parameters
Supply current
Test Conditions / Pin
V
S
= 5 V
U813BS
Pin 8 (4)
U813BSE
Pin 8 (4)
R
G
= 50
W
f
i
= 70 to 1000 MHz
Pin 2, 3 (5, 6)
f
i
= 1000 to 1100 MHz
Pin 2, 3 (5, 6)
R
G
= 50
W
Pin 2, 3 (5, 6)
Symbol
I
S
I
S
Min.
Typ.
35
38
Max.
45
50
Unit
mA
mA
Input sensitivity
V
i
V
i
V
i
f
imin
f
imax
300
10
15
mV
mV
mV
Large-signal compatibility
Frequency range
q
y
g
Output stage
a. Balanced ECL output
Voltage swing each
output
Output impedance
b. Emitter follower
Voltage swing each
output
Output impedance
Switching voltage for
g
g
70
1100
MHz
R
L
= 10 k//13 pF
Pin 6, 7 (3)
Pin 6, 7 (3)
R
L
= 10 k//13 pF
Pin 6, 7 (3)
Pin 6, 7 (3)
./. 64
Pin 5 (2)
./. 128
Pin 5 (2)
./. 256
Pin 5 (2)
V
O
Z
O
0.8
500
V
pp
W
W
V
V
V
O
Z
O
V
SF
V
SF
V
SF
1
200
open
V
S
–0.5
0
0.5
V
pp
TELEFUNKEN Semiconductors
Rev. A1, 05-Sep-96
3 (7)
U813BS/U813BSE
Test Circuits
Figure 2.
L
1
= L
2
= 150 nH (6 turns CuL 0.45 mm
on 4 mm
)
Figure 3.
4 (7)
TELEFUNKEN Semiconductors
Rev. A1, 05-Sep-96
U813BS/U813BSE
Output Circuits
Figure 4.
Figure 5.
TELEFUNKEN Semiconductors
Rev. A1, 05-Sep-96
5 (7)
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