sm5160c Nippon Precision Circuits Inc, (NPC), sm5160c Datasheet - Page 2

• Manufacturer Part Number: sm5160c
• Description: Programable Pll Frequency Synthesizer
• Manufacturer: Nippon Precision Circuits Inc, (NPC)

BLOCK DIAGRAM
PIN DESCRIPTION
XOUT
DATA
Number
TEST
CLK
XIN
10
11
12
13
14
15
16
FIN
1
2
3
4
5
6
7
8
9
LE
VDD1
XOUT
VDD3
VDD1
VDD2
DATA
Name
TEST
DOA
DOP
CLK
XIN
VSS
FIN
LD
FV
LE
FR
VDD1
PRESCALER
Reference frequency divider buffered output. This is level-shifted and input to the phase detector.
Input frequency divider buffered output. This is level-shifted and input to the phase detector.
Output to passive lowpass filter. Single-ended, tristate output Floating when VDD1 is LOW
Output to active lowpass filter. Single-ended, tristate output. Floating when VDD1 is LOW
1/4
Reference oscillator or external clock input. Internal feedback resistor for AC coupling
Reference oscillator or external clock output. Oscillator is OFF when VDD1 is LOW.
Comparison frequency input. Internal feedback resistor for AC coupling
17 BIT SHIFT REGISTER
Supply voltage for sections not supplied by VDD1 and VDD2
SM5160CM/DM
16 BIT N COUNTER
14 BIT LATCH
16 BIT LATCH
Unlock detector output. LOW when PLL is unlocked.
R COUNTER
11 or 14 BIT
Supply voltage for N counter and R counter
Supply voltage for XIN and FIN amplifiers
VDD2
VDD2
Test input. Internal pull-down resistor
Shift register clock input
Latch enable input
Serial data input
Description
Ground
DETECTOR
SHIFTER
SHIFTER
PHASE
LEVEL
LEVEL
NIPPON PRECISION CIRCUITS-2
DETECTOR
CHARGE
PUMP
LOCK
VDD3
DOA
FR
LD
DOP
FV