U833BS / U833BSE
1.3-GHz Prescaler for PLLs in TV, CATV and SAT TV Tuners
Technology:
Bipolar
Features
D
D
D
D
U833BS ECL output stage
U833BSE 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
(U833BS, U833BSE)
(U833BS-FP, U833BSE-FP)
(U833BS-SP, U833BSE-SP)
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
j
T
stg
T
amb
Value
6
0 to V
S
125
–40 to +125
–25 to +70
Unit
V
V
°C
°C
°C
Maximum Thermal Resistance
Parameters
Junction ambient
DIP8
SIP6
SO8
Symbol
R
thJA
R
thJA
R
thJA
Maximum
100
100
175
Unit
K/W
K/W
K/W
Note:
The device is self-oscillating without input signal
TELEFUNKEN Semiconductors
Rev. A1, 05-Sep-96
1 (7)
U833BS / U833BSE
Block Diagram
Figure 1.
Pin Connection (DIP8, SO8)
Pin
1
2, 3
4
5
6, 7
8
Function
Not connected
Input
Ground
Switch 64/128/256
Output
V
S
Pin Connection (DIP8, SO8)
Pin
1
2
3
4
5, 6
Function
Ground
Switch 64/128/256
Output
V
S
Input
Note:
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
U833BS / U833BSE
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
1)
Input sensitivity
2)
Test Conditions / Pin
V
S
= 5 V
Pin 8 (4)
R
G
= 50
W
f
i
= 70 to 1000 MHz
Pin 2, 3 (5,
6)
f
i
= 1000 to 1300 MHz
Pin 2, 3 (5,
6)
R
G
= 50
W
Pin 2, 3 (5,
6)
Symbol
I
S
Min
Typ
40
Max
50
Unit
mA
V
i
10
mV
V
i
V
i
f
imin
f
imax
300
20
mV
mV
Large-signal compatibility
Frequency range
Output stage
a. Balanced ECL output
Voltage swing each
output
Output impedance
b. Emitter follower
Voltage swing each
output
Output impedance
Switching voltage for
70
1300
MHz
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)
U833BS / U833BSE
Test Circuits
Figure 2.
Figure 3.
4 (7)
TELEFUNKEN Semiconductors
Rev. A1, 05-Sep-96
U833BS / U833BSE
Output Circuits
Figure 4.
Figure 5.
TELEFUNKEN Semiconductors
Rev. A1, 05-Sep-96
5 (7)
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