MK1449SITR View Datasheet(PDF) - Integrated Circuit Systems
Part Name
Description
Manufacturer
MK1449SITR Datasheet PDF : 4 Pages
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MK1449B
Sound/SCSI+Fast Ethernet Clock
Electrical Specifications
Parameter
Conditions
Minimum Typical
ABSOLUTE MAXIMUM RATINGS (stresses beyond these can permanently damage the device)
Supply Voltage, VDD
Referenced to GND
Inputs
Referenced to GND
-0.5
Clock Output
Referenced to GND
-0.5
Ambient Operating Temperature
0
Industrial temperature
-40
Soldering Temperature
Max of 10 seconds
Storage temperature
-65
DC CHARACTERISTICS (VDD = 3.3V unless otherwise noted)
Operating Voltage, VDD
3
Input High Voltage, VIH, ICLK only
ICLK (Pin 1)
(VDD/2)+1 VDD/2
Input Low Voltage, VIL, ICLK only
ICLK (Pin 1)
VDD/2
Input High Voltage, VIH
S0, S1
VDD-0.5
Input Low Voltage, VIL
S0, S1
Output High Voltage, VOH
IOH=-25mA
2.4
Output Low Voltage, VOL
IOL=25mA
IDD Operating Supply Current, 5V
No Load, 25, 40MHz
18
IDD Operating Supply Current, 3.3V
No Load, 25, 40MHz
10
Short Circuit Current
CLK output
±70
On-Chip Pull-up Resistor
Pin 7
270
Input Capacitance, S1, S0
Pins 6, 7
4
AC CHARACTERISTICS (VDD = 3.3V unless otherwise noted)
Input Frequency, crystal input
10
14.31818
Input Frequency, clock input
10
14.31818
Output Frequency
VDD = 3.0 to 5.5V
10
Output Clock Rise Time
0.8 to 2.0V
1
Output Clock Fall Time
2.0 to 0.8V
1
Output Clock Duty Cycle
at VDD/2
40
49 to 51
Synthesis error, 25, 40 MHz
Synthesis error, 12.288, 49.152 MHz
Absolute Clock Period Jitter, 20 pF load
Deviation from mean
±240
One Sigma Clock Period Jitter, 20 pF load
100
Maximum
7
VDD+0.5
VDD+0.5
70
85
260
150
5.5
(VDD/2)-1
0.5
0.4
27
50
75
60
1
1
Units
V
V
V
°C
°C
°C
°C
V
V
V
V
V
V
V
mA
mA
mA
kΩ
pF
MHz
MHz
MHz
ns
ns
%
ppm
ppm
ps
ps
MDS 1449B C
3
Revision 120799
Printed 11/15/00
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA•95126• (408)295-9800tel • www.icst.com
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