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Электронный компонент: ICS9120M-11

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Integrated
Circuit
Systems, Inc.
General Description
Features
ICS9120-11
The ICS9120-11 is a high performance frequency generator.
The ICS9120-11 provides high accuracy; low jitter PLLs
meet the 0.20% frequency tolerance and -96dB signal-to-
noise ratios. Fast output clock edge rates minimize board
induced jitter.
The ICS9120-11 operates over the entire 3.0 - 5.5V range
and provides power-down to minimize energy consumption.
Generates 46.6 MHz and 33.868 MHz clocks
Buffered REFCLK output
0.20% frequency accuracy
100ps one sigma jitter maintains 16-bit performance
Output rise/fall times less than 2.5ns
On-chip loop filter components
3.0V - 5.5V supply range
8-pin, 150-mil SOIC package Advance Information
9120-11 Rev B 012197
Block Diagram
Frequency Generator for Multimedia Audio Synthesis
X1 (MHz)
PD#
33.9
(MHz)
46.6
(MHz)
14.3
(MHz)
-
0
Low
Low
Low
14.318
1
33.868
46.6
14.318
Functionality
Note: PD# (Pin 8) and OE (Pin 4) are internally pulled-up
to VDD and therefore may be left disconnected or driven by
open collector logic.
Pin Configuration
8-Pin SOIC
2
ICS9120-11
Pin Descriptions for ICS9120-11
* Pin 1 contains no loading capacitor.
PIN
NUMBER
PIN
NAME
TYPE
DESCRIPTION
1
X1
Input
External clock source.*
2
VDD
Power
+Power supply input.
3
GND
Power
Ground return for Pin 2.
4
OE
Input
Output Enable (tristates all outputs when at logic low level); has pull-up.
5
CLK1
Input
46.6 MHz clock output.
6
CLK2
Output
33.9 MHz clock output.
7
REF
Output
14.318 MHz reference clock output.
8
PD#
Input
Power-down input (powers-down entire device when low); has pull-up.
3
ICS9120-11
Absolute Maximum Ratings
AVDD, VDD referenced to GND ......................................................................................................................................... 7V
Operating temperature under bias ....................................................................................................................... 0C to +70C
Storage temperature ......................................................................................................................................... -65C to +150C
Voltage on I/O pins referenced to GND ........................................................................................ GND -0.5V to VDD +0.5V
Power dissipation .......................................................................................................................................................... 0.5 Watts
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating
only and functional operation of the device at these or any other conditions above those indicated in the operational sections
of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect product
reliability.
Electrical Characteristics at 5V
Operating V
DD
= +4.5V to +5.5V; T
A
=0C to 70C unless otherwise stated
*Parameter is guaranteed by design and characterization. Not 100% tested in production.
DC Characteristics
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Input Low Voltage
V
IL
-
-
0.8
V
Input High Voltage
V
IH
2.0
-
-
V
Input Low Current
I
IL
V
IN
=0V
-18.0
-8.3
-
A
Input High Current
I
IH
V
IN
=V
DD
-
-
5.0
A
Output Low Voltage
V
OL
*
I
OL
=+10mA
-
0.15
0.4
V
Output High Voltage
V
OH
*
I
OH
=-30mA
2.4
3.7
-
V
Output Low Current
I
OL
*
V
OL
=0.8V
25.0
45.0
-
mA
Output High Current
I
OH
*
V
OH
=2.4V
-
-53.0
-35.0
mA
Supply Current
I
DD
Unloaded
-
23.0
50.0
mA
Supply Current,
Power-down
I
DD
(PD)
Unloaded
-
250.0
500.0
A
Pull-up Resistor Valve
R
pu
*
-
400.0
800.0
k ohm
AC Characteristics
Rise Time 0.8 to 2.0V
T
r
*
15pF load
-
0.9
2.0
ns
Fall Time 2.0 to 0.8V
T
f
*
15pF load
-
0.7
1.5
ns
Rise Time 20% to 80%
T
r
*
15pF load
-
1.8
3.25
ns
Fall Time 80% to 20%
T
f
*
15pF load
-
1.4
2.5
ns
Duty Cycle
D
t
*
15pF load @ 50% of VDD;
Except REFCLK
45.0
50.0
55.0
%
Duty Cycle
D
t
*
15pF load @ 50% of VDD;
REFCLK only
40.0
53.0
60.0
%
Jitter, One Sigma
T
jis
*
For all frequencies except
REFCLK
-
100.0
150.0
ps
Jitter, Absolute
T
jab
*
For all frequencies except
REFCLK
-550.0
330.0
550.0
ps
Jitter, One Sigma
T
jis
*
REFCLK only
-
350.0
500.0
ps
Jitter, Absolute
T
jab
*
REFCLK only
-1200
750.0
1200
ps
Input Frequency
F
i
*
11.0
14.0
17.0
MHz
Output Frequency
F
o
*
11.0
-
42.0
MHz
Power-up Time
T
pu
*
0 to 33.8 MHz
-
5.5
12.0
ms
Crystal Input Capacitance
C
INX
*
X1 (Pin 1)
-
5
-
pF
4
ICS9120-11
Electrical Characteristics at 3.3V
Operating V
DD
= +3.0V to +3.7V; T
A
=0C to 70C unless otherwise stated
*Parameter is guaranteed by design and characterization. Not 100% tested in production.
DC Characteristics
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Input Low Voltage
V
IL
-
-
0.2V
DD
V
Input High Voltage
V
IH
0.7V
DD
-
-
V
Input Low Current
I
IL
V
IN
=0V
-8.0
-3.6
-
A
Input High Current
I
IH
V
IN
=V
DD
-
-
5.0
A
Output Low Voltage
V
OL
*
I
OL
=6mA
-
0.05V
DD
0.1
V
Output High Voltage
V
OH
*
I
OH
=-4.0mA
0.85V
DD
0.94V
DD
-
V
Output Low Current
I
OL
*
V
OL
=0.2V
DD
15.0
24.0
-
mA
Output High Current
I
OH
*
V
OH
=0.7V
DD
-
-13.0
-8.0
mA
Supply Current
I
DD
Unloaded
-
14.0
32.0
mA
Supply Current,
Power-down
I
DD
(PD)
Unloaded
-
60.0
110.0
A
Pull-up Resistor Valve
R
pu
*
-
620.0
900.0
k ohm
AC Characteristics
Rise Time 0.8 to 2.0V
T
r
*
15pF load
-
1.5
4.0
ns
Fall Time 2.0 to 0.8V
T
f
*
15pF load
-
1.0
3.0
ns
Rise Time 20% to 80%
T
r
*
15pF load
-
2.2
4.0
ns
Fall Time 80% to 20%
T
f
*
15pF load
-
1.5
3.0
ns
Duty Cycle
D
t
*
15pF load @ 50% of VDD;
REFCLK only
45.0
50.0
55.0
%
Duty Cycle
D
t
*
15pF load @ 50% of VDD;
Except REFCLK
40.0
45.0
60.0
%
Jitter, One Sigma
T
jis
*
For all frequencies except
REFCLK
-
140.0
200.0
ps
Jitter, Absolute
T
jab
*
For all frequencies except
REFCLK
-600.0
420.0
600.0
ps
Jitter, One Sigma
T
jis
*
REFCLK only
-
230.0
400.0
ps
Jitter, Absolute
T
jab
*
REFCLK only
-1000
600
1000
ps
Input Frequency
F
i
*
11.0
14.3
15.0
MHz
Output Frequency
F
o
*
11.0
-
38.0
MHz
Power-up Time
T
pu
*
0 to 33.8 MHz
-
5.5
12.0
ms
Crystal Input Capacitance
C
INX
*
X1 (Pin 1)
-
5
-
pF
5
ICS9120-11
8-Pin SOIC Package
0.194
0.063
0.031
0.238
0.154
0.025
0.015
0.008
0.024
0.016
0.050
0.006
0.004
Ordering Information
ICS9120M-11
Example:
XXX XXXX M-PPP
Package Type
N=DIP (Plastic)
Device Type (consists of 3 or 4-digit numbers)
Prefix
ICS, AV=Standard Device
Pattern Number (2 or 3-digit number for parts with ROM code patterns)