SP8713IGMPAS データシートの表示（PDF） - Mitel Networks
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SP8713IGMPAS Datasheet PDF : 9 Pages
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SP8SP7817133
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.
FEATURES
s Operation to 1100MHz
s Very Low Power
s Single Supply Operation 2.7V to 5.25V
s Power Down Facility for Battery Economy
s Latched Modulus Control Inputs
s Push Pull Output Drive
s ESD Protection on All Pins†
APPLICATIONS
s Cellular Telephones
s Cordless Telephones
s Mobile Radio
RF INPUT
VCC
MODULUS CONTROL 1
OUTPUT
1
8
2
7
SP8713
3
6
4
5
RF INPUT
POWER DOWN
MODULUS CONTROL 2
VEE
MP8
Fig. 1 Pin connections - top view
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
6
MC1
3
MC2
RF
1
INPUT
(CLOCK)
8
D
DDTYTPYEPE
Q
CK
D
Q
D TYPE
V
CC
CONTROL
LOGIC
DIVIDE BY DIVIDE BY
4/5
16
V
EE
VCC
2
250K
NOMINAL
BIAS
7 POWER
DOWN
5
VEE
4
OUTPUT
Fig. 2 Block diagram
1
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