MK2771-16 データシートの表示（PDF） - Integrated Circuit Systems
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MK2771-16 Datasheet PDF : 4 Pages
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I CR O C LOC K
MK2771-16
VCXO and Set-Top Clock Source
External Components
The MK2771-16 requires a minimum number of external components for proper operation. Use a low inductance ground
plane, connect all GNDs to this. Connect 0.01µF decoupling caps on pins 5, 7, 8 and 22 directly to the ground plane, as
close to the MK2771-16 as possible. A series termination resistor of 33Ω may be used for each clock output.The 13.500
MHz crystal must be connected as close to the chip as possible. The crystal should be a parallel mode, pullable, with load
capacitance of 14pF. Consult ICS/MicroClock full specifications. Please obey Application Note MAN05 for pullable
crystal layout info except for the following: the MK2771-16 introduces a GND pin (pin #3) between the pullable crystal
pins. This ground should be brought in straight from the right side underneath the device.
Package Outline and Package Dimensions
(For current dimensional specifications, see JEDEC Publication No. 95.)
EH
D
A1
C
e
B
L
28 pin SSOP
Symbol
A
A1
B
C
D
E
e
H
L
Inches
Min Max
0.053 0.069
0.004 0.010
0.008 0.012
0.007 0.010
0.386 0.394
0.150 0.157
.025 BSC
0.228 0.244
0.016 0.050
Millimeters
Min Max
1.35 1.75
0.102 0.254
0.203 0.305
0.191 0.254
9.804 10.008
3.810 3.988
0.635 BSC
5.791 6.198
0.406 1.270
A
Ordering Information
Part/Order Number
MK2771-16R
MK2771-16RTR
Marking
MK2771-16R
MK2771-16R
Shipping packaging
tubes
tape and reel
Package
Temperature
28 pin SSOP (QSOP) 0-70 °C
28 pin SSOP (QSOP) 0-70 °C
While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems (ICS) assumes no responsibility for either its use or for the
infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in
normal commercial applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements
are not recommended without additional processing by ICS. ICS reserves the right to change any circuitry or specifications without notice. ICS does not authorize or warrant any
ICS product for use in life support devices or critical medical instruments.
MDS 2771-16 C
4
Revision 102099
Printed 11/16/00
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose • CA •95126•(408) 295-9800tel• www.icst.com
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