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ICS8312

Part Number	ICS8312
Manufacturer	Integrated Circuit Systems
Description	1-TO-12 LVCMOS / LVTTL FANOUT BUFFER
Published	Dec 18, 2008
Detailed Description	Integrated Circuit Systems, Inc. ICS8312 LOW SKEW, 1-TO-12 LVCMOS / LVTTL FANOUT BUFFER FEATURES • 12 LVCMOS / LVTTL ou...
Datasheet	ICS8312 PDF File

Overview

Integrated Circuit Systems, Inc.
ICS8312 LOW SKEW, 1-TO-12 LVCMOS / LVTTL FANOUT BUFFER FEATURES • 12 LVCMOS / LVTTL outputs • LVCMOS / LVTTL clock input • Maximum output frequency: 250MHz • Output skew: 150ps (maximum) • Operating supply modes: Core/Output 3.
3V/3.
3V, 2.
5V/2.
5V, 1.
8V/1.
8V, 3.
3V/2.
5V, 3.
3V/1.
8V, 2.
5V/1.
8V • 0°C to 85°C ambient operating temperature • Lead-Free package available • Industrial temperature information available upon request GENERAL DESCRIPTION The ICS8312 is a low skew, 1-to-12 LVCMOS / LVTTL Fanout Buffer and a member of the HiPerClockS™ HiPerClockS™family of High Performance Clock Solutions from ICS.
The ICS8312 single ended clock input accepts LVCMOS or LVTTL input levels.
The low impedance LVCMOS outputs are designed to drive 50Ω series or parallel terminated transmission lines.
The effective fanout can be increased from 12 to 24 by utilizing the ability of the outputs to drive two series terminated lines.
www.
DataSheet4U.
com ICS The ICS8312 is characterized at full 3.
3V, 2.
5V, and 1.
8V, mixed 3.
3V/2.
5V, 3.
3V/1.
8V and 2.
5V/1.
8V output operating supply modes.
Guaranteed output and part-to-part skew characteristics along with the 1.
8V output capabilities makes the ICS8312 ideal for high performance, single ended applications that also require a limited output voltage.
BLOCK DIAGRAM PIN ASSIGNMENT GND GND VDDO VDDO Q0 Q1 Q2 Q3 CLK_EN nD Q LE 12 GND VDD Q0:Q11 CLK_EN CLK GND OE VDD GND 1 2 3 4 5 6 7 8 32 31 30 29 28 27 26 25 24 23 22 Q4 VDDO Q5 GND Q6 VDDO Q7 GND CLK ICS8312 21 20 19 18 17 OE 9 10 11 12 13 14 15 16 Q11 VDDO Q10 GND Q9 VDDO Q8 GND 32-Lead LQFP 7mm x 7mm x 1.
4mm body package Y Pacakge Top View 8312AY http://www.
icst.
com/products/hiperclocks.
html 1 REV.
C JUNE 14, 2004 Integrated Circuit Systems, Inc.
ICS8312 LOW SKEW, 1-TO-12 LVCMOS / LVTTL FANOUT BUFFER Type Power Power Input Input Input Description Power supply ground.
Core supply pins.
Synchronous control for enabling and disabling clock outputs.
Pul...

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