SM5050A データシートの表示（PDF） - Nippon Precision Circuits
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SM5050A Datasheet PDF : 8 Pages
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BLOCK DIAGRAM
SM5050A
VDD
VDDQ
XT
XTN
Oscillator R-counter
Phase
Detector
Charge
Pump
LPF
VCO
Duty
Control
Circuit
Output
Buffer
Q
P0
P1
INHN
Control
Circuit
N-counter
VSS
VSSQ
PIN DESCRIPTION
SM5050AV
Number Name
CF5050A
Pad dimensions [µm] I/O1
Name
X
Y
Description
1
P1
P1
620
1330
Ip Program input 1. Selects the output frequency multiplier ratio.
VSS
290
1132
– Ground
2
VSS
VSSQ
290
920
– Output circuit ground
3
Q
Q
290
569
O Output (CMOS)
VDDQ
540
240
– Output circuit supply
4
VDD
VDD
906
240
– Supply
5
XTN
XTN
1524
240
O Crystal oscillator connection pins.
6
XT
XT
1870
542
I Crystal connected between XT and XTN.
7
INHN INHN
1870
1015
Ip
Operating state control (inhibit).
When INHN is LOW , output is high impedance and PLL circuits stop.
8
P0
P0
1540
1330
Ip Program input 0. Selects the output frequency multiplier ratio.
1. Ip = input with built-in pull-up resistor.
NIPPON PRECISION CIRCUITS—2
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