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9112M-33LF [IDT]

Clock Generator, 106.25MHz, PDSO8, 0.150 INCH, PLASTIC, SOIC-8;
9112M-33LF
型号： 9112M-33LF
厂家： INTEGRATED DEVICE TECHNOLOGY    INTEGRATED DEVICE TECHNOLOGY
描述：

Clock Generator, 106.25MHz, PDSO8, 0.150 INCH, PLASTIC, SOIC-8

时钟 光电二极管 外围集成电路 晶体
文件： 总5页 (文件大小：227K)
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ICS9112-33/34  
Integrated  
Circuit  
Systems, Inc.  
Preliminary Product Preview  
Frequency Generator for Fibre Channel Systems  
General Description  
Features  
The ICS9112-33/34 are high-speed clock generators designed  
to support fibre channel system requirements. The ICS9112-  
33/34 generates 106.25 MHz from a 21.25 MHz crystal.  
•
Generates 106.25 MHz clocks from a 21.25 MHz  
crystal  
•
•
•
•
•
•
•
Less than 45ps one sigma jitter (10ps typ.)  
Less than ±130ps absolute jitter  
Less than 25ps accumulative jitter @ 256 cycles  
Rise/fall times less than 1.2ns driving 15pF  
On-chip loop filter components  
3.0V-5.5V supply range  
An exact frequency multiplying ratio ensures better than  
±100 ppm frequency accuracy using a standard AT crystal  
with external load capacitors (typically 33pF±5% for an  
18pF load crystal). Achieving ±100 ppm over four years  
requires the crystal to have a ±20 ppm initial accuracy, ±30  
ppm temperature and ±5 ppm/year aging coefficients.  
8-pin, 150-mil SOIC package  
Applications  
The ICS9112-33/34 with less than 25ps accumulative jitter  
is well suited for Fibre Channel applications.  
•
Specifically designed to support the high-speed  
clocking requirements of fibre channel systems.  
Crystal:EC-21.25M(Ecliptek)  
Block Diagram  
PRODUCT PREVIEW documents contain information on new  
products in the sampling or preproduction phase of development.  
Characteristic data and other specifications are subject to change  
without notice.  
ICS9112-33/34RevD3/3/99  
ICS9112-33/34  
Preliminary Product Preview  
Pin Configurations  
8-Pin SOIC  
8-Pin SOIC  
Functionality  
X1, X2  
(MHz)  
FOUT  
(MHz)  
OE  
1
0
21.25  
21.25  
106.25  
Tristate  
Pin Descriptions  
PIN  
PIN NAME  
NUMBER  
TYPE  
DESCRIPTION  
1
2
3
4
5
AGND  
GND  
X1  
PWR Analog ground.  
PWR Digital Ground.  
IN  
IN  
IN  
Crystal or clock input to device; nominally 21.25 MHz. Requires external load capacitors.  
Crystal drive output from device. Requires external load capacitors.  
X2  
OE  
Output Enable (has internal pull_up.): when OE is low, it tristates the clock output (FOUT)  
VDD  
CLK2  
PWR +3.3 or +5.0 volt supply (-33)  
OUT Clock output (106.25MHz) (-34)  
6
AVDD  
PWR Analog power. (Must equal digital power voltage).(-33)  
PWR Digital and analog power, +3.3 or +5.0Volt supply (-34)  
OUT Clock output (106.25MHz)  
7
8
VDD+AVDD  
CLK1  
2
ICS9112-33/34  
Preliminary Product Preview  
Absolute Maximum Ratings  
AVDD, VDD referenced to GND . . . . . . . . . . . . . . . 7V  
Operating temperature under bias. . . . . . . . . . . . . . . . 0°C to +70°C  
Storage temperature . . . . . . . . . . . . . . . . . . . . . . . . . . -65°C to +150°C  
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 5.0V  
Operating VDD = +4.5V to +5.5V; TA =0°C to 70°C unless otherwise stated  
DC Characteristics  
PARAMETER  
Input Low Voltage  
Input High Voltage  
Input Low Current  
Input High Current  
Output Low Voltage1  
Output High Voltage1  
Output Low Current1  
Output High Current1  
Supply Current  
SYMBOL  
VIL  
TEST CONDITIONS  
MIN  
TYP  
-
MAX  
UNITS  
V
-
2.0  
-16.0  
-2.0  
-
0.8  
VIH  
-
-
V
IIL  
VIN=0V (Pull-up input)  
VIN=VDD  
-6.0  
-
-
2.0  
0.40  
-
µA  
IIH  
µA  
VOL  
VOH  
IOL  
IOL=10mA  
0.15  
3.25  
35.0  
-50.0  
22.0  
100  
V
IOH=-30mA  
VOL=0.8V  
2.4  
22.0  
-
V
-
mA  
mA  
mA  
k ohms  
IOH  
VOH=2.0V  
-35.0  
45.0  
-
IDD  
Unloaded  
-
Pull-up Resistor1  
Rpu  
-
AC Characteristics  
15pF load, 0.8 to 2.0V  
15pF load, 2.0 to 0.8V  
15pF load @ 1.4V  
15pF load  
Rise Time1  
Fall Time1  
Duty Cycle1  
Jitter, One Sigma1  
Jitter, Absolute1  
Accumulative Jitter1  
Input Frequency1  
Output Frequency1  
Power-up Time1  
Tr1  
Tf1  
Dt  
-
0.8  
0.7  
1.2  
1.2  
55.0  
45.0  
130.0  
-
ns  
ns  
-
42.0  
49.0  
10.0  
%
Tj1s  
Tjab  
Tjacc  
Fi  
-
ps  
15pF load  
-130.0  
ps  
15pF load @ 256 Cycle  
-
-
-
-
17.0  
21.25  
106.25  
7.58  
ps  
-
MHz  
MHz  
ms  
Fo  
-
Tpu  
18.0  
X1 (Pin 1)  
X2 (Pin 8)  
Crystal Input Capacitance1  
Cinx  
-
3.0  
-
pF  
Note 1: Parameter is guaranteed by design and characterization. Not 100% tested in production.  
3
ICS9112-33/34  
Preliminary Product Preview  
Electrical Characteristics at 3.3V  
Operating VDD = +3.0V to +3.7V; TA =0°C to 70°C unless otherwise stated  
DC Characteristics  
PARAMETER  
Input Low Voltage  
Input High Voltage  
Input Low Current  
Input High Current  
SYMBOL  
TEST CONDITIONS  
MIN  
-
TYP  
MAX  
UNITS  
V
V
-
-
0.20V  
IL  
IH  
IL  
DD  
V
0.7V  
-
-
V
DD  
I
V =0V (Pull-up input)  
IN  
-7.0  
-2.0  
-
-2.5  
-
µA  
I
V =V  
IN DD  
2.0  
µA  
IH  
1
Output Low Voltage  
V
I
I
=6mA  
0.05V  
0.92V  
0.1V  
V
OL  
OH  
OL  
OH  
DD  
OL  
OH  
DD  
DD  
DD  
1
Output High Voltage  
V
=-5mA  
0.85V  
-
-
V
DD  
1
Output Low Current  
I
V
V
=0.2V  
15.0  
22.0  
-17.0  
14.0  
mA  
mA  
mA  
k ohms  
OL  
DD  
1
Output High Current  
I
I
=0.7V  
-
-
-
-10.0  
OH  
DD  
Supply Current  
Unloaded  
30.0  
-
1
Pull-up Resistor  
R
175.0  
pu  
AC Characteristics  
15pF load, 0.8 to 2.0V  
15pF load, 2.0 to 0.8V  
15pF load @ 1.4V  
15pF load  
1
Rise Time  
T
T
-
0.65  
0.6  
1.2  
1.2  
60.0  
45.0  
130.0  
-
ns  
ns  
r1  
f1  
1
Fall Time  
-
1
Duty Cycle  
D
40.0  
50.0  
10.0  
-
%
t
1
Jitter, One Sigma  
T
j1s  
T
jab  
-
ps  
1
Jitter, Absolute  
15pF load  
-130.0  
ps  
1
Accumulative Jitter  
T
15pF load @ 256 cycle  
-
-
-
-
17.0  
21.25  
106.25  
7.58  
ps  
jacc  
1
Input Frequency  
F
-
MHz  
MHz  
ms  
i
1
Output Frequency  
F
-
o
1
Power-up Time  
T
18.0  
pu  
X1 (Pin 1)  
X2 (Pin 8)  
1
Crystal Input Capacitance  
C
inx  
-
3.0  
-
pF  
Note 1: Parameter is guaranteed by design and characterization. Not 100% tested in production.  
4
ICS9112-33/34  
Preliminary Product Preview  
8-Pin Plastic SOIC Package  
Ordering Information  
ICS9112M-33/34  
Example:  
ICS XXXX M-PPP  
PatternNumber(2or3digitnumberforpartswithROMcodepatterns)  
PackageType  
M=SOIC, SOP  
DeviceType (consists of 3 or4 digit numbers)  
Prefix  
ICS=Standard Device  
PRODUCT PREVIEW documents contain information on new  
products in the sampling or preproduction phase of development.  
Characteristic data and other specifications are subject to change  
without notice.  
5

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