STV1601A
PIN DESCRIPTION
Pin
N
Symbol
Equivalent circuit
Description
I/O
Standard
Min. Typ. Max. Unit
GND
VCC
4kΩ
1 LST
2kΩ
VEE
PLL lock detection. Is High O
while PLL locked. If
unlocked, becomes irregular.
1
At free running (TN1 H)
turns Low
H
-1.0
L
V
-4.0 V
2kΩ
GND
600Ω
600Ω
36 PCK
Clock output frequency
O
divided to 1/10 VCO output.
Used to check VCO free
36
running frequency
H
-0.8
V
L
-1.6
V
240Ω
VEE
GND
VCC
3 SX
10 0Ω
1 00Ω
VCC
30Ω
30Ω
Differential Serial Output
Input parallel data is
O
4
3 converted to serial, then
from scrambled NRZ to
4 SY
VR3
2 kΩ
115Ω
2kΩ
NRZI data
H
L
-1.6
V
-2.4
V
VEE
2/17