SM5050AV NPC [Nippon Precision Circuits Inc], SM5050AV Datasheet - Page 2

• Manufacturer Part Number: SM5050AV
• Description: Single-output Clock Generator IC
• Manufacturer: NPC [Nippon Precision Circuits Inc]

BLOCK DIAGRAM
PIN DESCRIPTION
1. Ip = input with built-in pull-up resistor.
N u m b e r
1
2
3
4
5
6
7
8
S M 5 0 5 0 A V
INHN
XTN
XT
P0
P1
N a m e
I N H N
V D D
V S S
X T N
P 1
X T
P 0
Q
Oscillator
V D D Q
N a m e
V S S Q
I N H N
V D D
V S S
X T N
Control
Circuit
P 1
X T
P 0
Q
R-counter
P ad dimensions [µm]
C F 5 0 5 0 A
1870
1870
1540
1524
620
290
290
290
540
906
X
N-counter
Detector
Phase
1330
1132
1015
1330
920
569
240
240
240
542
Y
I/O
Charge
Ip
O
O
Ip
Ip
–
–
–
–
Pump
I
1
SM5050A
Program input 1. Selects the output frequency multiplier ratio.
Ground
Output circuit ground
Output (CMOS)
Output circuit supply
Supply
Cr ystal oscillator connection pins.
Cr ystal connected between XT and XTN.
Operating state control (inhibit).
When INHN is LOW , output is high impedance and PLL circuits stop.
Program input 0. Selects the output frequency multiplier ratio.
LPF
VDD
VSS
VCO
Description
NIPPON PRECISION CIRCUITS—2
Control
Circuit
Duty
VDDQ
VSSQ
Output
Buffer
Q