ics514 Integrated Device Technology, ics514 Datasheet - Page 2

• Manufacturer Part Number: ics514
• Description: Loco? Pll Clock Generator
• Manufacturer: Integrated Device Technology

IDT™ / ICS™ LOCO™ PLL CLOCK GENERATOR
ICS514
LOCO™ PLL CLOCK GENERATOR
Pin Assignment
Pin Descriptions
X 1 / I C L K
Notes:
1. With S1 = S0 = 0, the internal PLL is turned off and the CLK outputs stops low. The crystal oscillator and
REF output are still active.
2. With a clock input, the phase relationship between the input and the output clocks can change each time
the device is powered on. If a fixed phase relationship is required, use the ICS571 or other zero delay
multipliers.
G N D
V D D
R E F
Number
Pin
1
2
3
4
5
6
7
8
8 - p i n ( 1 5 0 mi l ) S OI C
1
2
3
4
XI/ICLK
Name
GND
VDD
REF
CLK
Pin
S0
S1
X2
Tri-level Input
Tri-level Input
Output
Output
Output
Power
Power
Type
Input
8
7
6
5
Pin
X 2
S 1
S 0
C L K
Crystal connection to a 14.31818 MHz crystal or clock input.
Connect to +3.3 V or +5 V.
Connect to ground.
Reference 14.31818 MHz crystal oscillator buffered clock output.
Clock output per table above.
Select 0 for output clock. Connect to GND or VDD or float. See
table above.
Select 1 for output clock. Connect to GND or VDD or float. See
table above.
Crystal connection to a 14.31818 MHz crystal. Leave unconnected
for clock input.
2
Clock Decoding Table (MHz) with 14.31818
MHz Crystal or Clock Input
0 = connect directly to ground
1 = connect directly to VDD
M = leave unconnected (floating)
CLK and REF stop low in power-down state
S1
M
M
0
0
1
1
S0
0
1
0
1
0
1
Power-down CLK
Pin Description
33.33
66.66
CLK
25
40
50
Multiplier
1.746
2.328
2.794
3.492
4.656
—
ICS514
CLOCK MULTIPLIER
Accuracy
0.008%
0.008%
1 ppm
1 ppm
1 ppm
—
REV E 031008