SP8713
SP8713
1100MHz Very Low Current Three Modulus Divider
DS3934 - 4.0 November 1997
The SP8713 is a switchable divide by 64/65/72
programmable divider which is guaranteed to operate up to
1100MHz. It will operate from a supply of 2.7V to 5.25V and
requires typically 4.1mA (including the output current). It also
features a power down facility for battery economy.
The RF inputs are internally biased and should be capacitively
coupled to the signal source. The output is designed to interface
with CMOS synthesisers, such as the NJ88C50.
RF INPUT
V
CC
MODULUS CONTROL 1
OUTPUT
1
2
3
4
SP8713
8
7
6
5
RF INPUT
POWER DOWN
MODULUS CONTROL 2
VEE
FEATURES
s
s
s
s
s
s
s
Operation to 1100MHz
Very Low Power
Single Supply Operation 2.7V to 5.25V
Power Down Facility for Battery Economy
Latched Modulus Control Inputs
Push Pull Output Drive
ESD Protection on All Pins
鈥?/div>
MP8
Fig. 1 Pin connections - top view
APPLICATIONS
s
Cellular Telephones
s
Cordless Telephones
s
Mobile Radio
鈥?/div>
ORDERING INFORMATION
SP8713 IG MPAS
Industrial Temperature Range
Miniature Plastic DIL Package
SP8713 IG MPAC
As above supplied on Tape and Reel
ESD precautions must be observed
V
CC
2
250K
NOMINAL
6
MC1
D
DD TYPE
TYPE
CK
Q
7
POWER
DOWN
3
MC2
BIAS
Q
D
V
CC
D TYPE
CONTROL
LOGIC
5
V
EE
RF
INPUT
(CLOCK)
1
DIVIDE BY
4/5
8
V
DIVIDE BY
16
4
OUTPUT
EE
Fig. 2 Block diagram
1
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