MK74CB218RLFTR IDT, Integrated Device Technology Inc, MK74CB218RLFTR Datasheet

IC CLOCK DRIVER DUAL 1-8 28-SSOP

MK74CB218RLFTR

Manufacturer Part Number
MK74CB218RLFTR
Description
IC CLOCK DRIVER DUAL 1-8 28-SSOP
Manufacturer
IDT, Integrated Device Technology Inc
Series
74CB, Buffalo™r
Type
Fanout Buffer (Distribution)r
Datasheet

Specifications of MK74CB218RLFTR

Number Of Circuits
2
Ratio - Input:output
1:8
Differential - Input:output
No/No
Input
LVCMOS
Output
LVCMOS
Frequency - Max
200MHz
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
28-SSOP
Frequency-max
200MHz
Number Of Outputs
16
Operating Supply Voltage (max)
3.6V
Operating Temp Range
0C to 70C
Propagation Delay Time
20ns
Operating Supply Voltage (min)
3V
Mounting
Surface Mount
Pin Count
28
Operating Supply Voltage (typ)
3.3V
Package Type
QSOP
Input Frequency
200MHz
Duty Cycle
60%
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
800-1880-2
DUAL 1 TO 8 BUFFALO™ CLOCK DRIVER
Description
The MK74CB218 Buffalo™ is a monolithic CMOS high
speed clock driver. It consists of two identical single input to
eight low-skew output, non-inverting clock drivers. This
eliminates concerns of part to part matching in many
systems. The MK74CB218 is packaged in the tiny 28-pin
SSOP, which uses the same board space as the narrow
16-pin SOIC. The inputs can be connected together for a 1
to 16 fanout buffer.
A quad 1 to 4, and PECL versions, are also available.
Consult IDT for more details.
The MK74CB218 can also act as a voltage translator, since
it is possible to run the inputs at 3.3 V and the outputs at
2.5 V.
Block Diagram
IDT™ / ICS™ DUAL 1 TO 8 BUFFALO™ CLOCK DRIVER
QA0
QA1
QA2
QA3
QA4
QA5
QA6
QA7
INA
VDDA
OE
(all outputs)
GND
VDD
1
Features
Family of IDT Parts
The MK74CB218 Buffalo™ is designed to be used with
IDT’s clock synthesizer devices. The inputs of the Buffalo
are matched to the outputs of IDT clock synthesizers.
Consult IDT for applications support.
Not recommended for new designs. See the
MK74CB218B for new designs.
Packaged as 28-pin SSOP (150 mil body)
Pb (lead) free package, RoHS compliant
Dual one input to eight output clock drivers
Outputs are skew matched to within 250 ps
A outputs and B outputs matched to 250 ps
2.5 V or 3.3 V output voltages
Output Enable tri-states each bank of eight
Clock speeds up to 200 MHz
VDDB
INB
QB0
QB1
QB2
QB3
QB4
QB5
QB6
QB7
MK74CB218
MK74CB218
DATASHEET
REV K 051310

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MK74CB218RLFTR Summary of contents

Page 1

DUAL BUFFALO™ CLOCK DRIVER Description The MK74CB218 Buffalo™ monolithic CMOS high speed clock driver. It consists of two identical single input to eight low-skew output, non-inverting clock drivers. This eliminates concerns of part to part ...

Page 2

MK74CB218 DUAL BUFFALO™ CLOCK DRIVER Pin Assignment INA 1 QA0 2 QA1 3 QA2 4 VDDA 5 VDDA 6 QA3 7 QA4 8 GND 9 10 GND QA5 11 QA6 12 QA7 Pin Descriptions ...

Page 3

MK74CB218 DUAL BUFFALO™ CLOCK DRIVER Maximum Speed The maximum speed at which the chip can operate is limited by the power dissipation in the package. Graph 1 shows the operating frequency plotted against load capacitance per pin ...

Page 4

MK74CB218 DUAL BUFFALO™ CLOCK DRIVER Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the MK74CB218. These ratings, which are standard values for IDT commercially rated parts, are stress ratings only. Functional ...

Page 5

MK74CB218 DUAL BUFFALO™ CLOCK DRIVER AC Electrical Characteristics Unless stated otherwise, VDD = 3.3 V ±10% Parameter Input Clock Frequency Propagation Delay, 3.3 V Output Clock Rise Time Output Clock Rise Time Output Clock Fall Time Output ...

Page 6

... Marking MK74CB218RLF MK74CB218RLF MK74CB218RLFTR MK74CB218RLF Parts that are ordered with a “LF” suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology (IDT) 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 ...

Page 7

MK74CB218 DUAL BUFFALO™ CLOCK DRIVER Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc. www.idt.com © 2006 Integrated Device Technology, Inc. All rights reserved. ...

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