MPC905EFR2 IDT, Integrated Device Technology Inc, MPC905EFR2 Datasheet

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MPC905EFR2

Manufacturer Part Number
MPC905EFR2
Description
IC CLK GEN/FANOUT BUFFER 16-SOIC
Manufacturer
IDT, Integrated Device Technology Inc
Type
Fanout Buffer (Distribution)r
Datasheet

Specifications of MPC905EFR2

Number Of Circuits
1
Ratio - Input:output
1:6
Differential - Input:output
Yes/No
Input
TTL, Crystal
Output
LVCMOS
Frequency - Max
100MHz
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (3.9mm Width)
Frequency-max
100MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
800-1933-2
MPC905EFR2

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Part Number:
MPC905EFR2
Manufacturer:
TexasInstruments
Quantity:
412
1:6 PCI CLOCK GENERATOR/
FANOUT BUFFER
IDT™ / ICS™ PCI CLOCK GENERATOR/FANOUT BUFFER
1:6 PCI Clock Generator/
Fanout Buffer
clocks required in a 3.3 V or 5.0 V PCI environment. The device operates from a
3.3 V supply and can interface to either a TTL input or an external crystal. The
inputs to the device can be driven with 5.0 V when the V
outputs of the MPC905 meet all of the specifications of the PCI standard.
Features
Functional Description
with up to 12 clock loads. Each of the six outputs on the MPC905 can drive two
series terminated 50Ω transmission lines. This capability effectively makes the
MPC905 a 1:12 fanout buffer.
developing power management features for their designs. Both enable signals
are active HIGH inputs. A logic ‘0’ on the ENABLE1 will pull outputs 0 to 4 into the logic ‘0’ state. A logic ‘1’ on the ENABLE1 input
will result in outputs 0 to 4 to be toggling. A logic ‘0’ on ENABLE2 will cause output BLK5 to a logic ‘0’ state, whereas a logic ‘1’
on ENABLE2 will cause output BLK5 to toggle. The oscillator remains on.
enable inputs are synchronized internal to the chip so that the output disabling will happen only when the outputs are already
LOW. This feature guarantees no runt pulses will be generated during enabling and disabling.
The MPC905 is a six output clock generation device targeted to provide the
The MPC905 device is targeted for PCI bus or processor bus environments
The MPC905 offers two synchronous enable inputs to allow users flexibility in
The ENABLE2 input can be used to disable any high power device for system power savings during periods of inactivity. Both
Synchronous Output Enables for Power Management
Low Voltage Operation
16-Lead SOIC Package
5.0 V Tolerant Enable Inputs
Six Low Skew Outputs
XTAL Oscillator Interface
CC
is at 3.3 V. The
1
EF SUFFIX (PB-FREE PACKAGE)
PLASTIC SOIC PACKAGE
CLOCK GENERATOR/
FANOUT BUFFER
CASE 751B-05
MPC905 REV 4 JANUARY 8, 2008
D SUFFIX
1:6 PCI
SCALE 2:1
MPC905

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MPC905EFR2 Summary of contents

Page 1

PCI CLOCK GENERATOR/ FANOUT BUFFER 1:6 PCI Clock Generator/ Fanout Buffer The MPC905 is a six output clock generation device targeted to provide the clocks required 5.0 V PCI environment. The device operates from ...

Page 2

MPC905 1:6 PCI CLOCK GENERATOR/FANOUT BUFFR XTAL_IN XTAL_OUT ENABLE1 SYNCHRONIZE ENABLE2 SYNCHRONIZE Figure 1. Block Diagram Table 1. Pin Configurations Pin XTAL_IN, XTAL_OUT ENABLE1, ENABLE2 BCLK0–BCLK5 V DD GND Table 2. Function Table ENABLE1 ENABLE2 Table ...

Page 3

MPC905 1:6 PCI CLOCK GENERATOR/FANOUT BUFFR Table 4. Recommended Operating Conditions Symbol T Ambient Temperature Range A V Positive Supply Voltage (Functional Range (at XTAL_IN Input) DC high T (at XTAL_IN Input) low 1. When using ...

Page 4

MPC905 1:6 PCI CLOCK GENERATOR/FANOUT BUFFR PIN 16 PIN 1 Y1 33.3333 MHz PIN 16 PIN 1 f FUND Y1 C TRAP 11.1111 MHz Table 7. Crystal Specifications Parameter Crystal ...

Page 5

MPC905 1:6 PCI CLOCK GENERATOR/FANOUT BUFFR DRIVING TRANSMISSION LINES The MPC905 clock driver was designed to drive high speed signals in a terminated transmission line environment. To provide the optimum flexibility to the user the output drivers were designed to ...

Page 6

MPC905 1:6 PCI CLOCK GENERATOR/FANOUT BUFFR IDT™ / ICS™ PCI CLOCK GENERATOR/FANOUT BUFFER PACKAGE DIMENSIONS CASE 751B-05 ISSUE L PLASTIC SOIC PACKAGE 6 PAGE MPC905 REV 4 JANUARY 8, 2008 ...

Page 7

MPC905 1:6 PCI CLOCK GENERATOR/FANOUT BUFFR IDT™ / ICS™ PCI CLOCK GENERATOR/FANOUT BUFFER PACKAGE DIMENSIONS CASE 751B-05 ISSUE L PLASTIC SOIC PACKAGE 7 PAGE MPC905 REV 4 JANUARY 8, 2008 ...

Page 8

MPC905 1:6 PCI CLOCK GENERATOR/FANOUT BUFFR Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales For Tech Support 800-345-7015 netcom@idt.com 408-284-8200 480-763-2056 Fax: 408-284-2775 Corporate Headquarters Asia Pacific and Japan Integrated Device Technology, Inc. Integrated Device Technology ...

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