IDT23S08T-1DC IDT, Integrated Device Technology Inc, IDT23S08T-1DC Datasheet

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IDT23S08T-1DC

Manufacturer Part Number
IDT23S08T-1DC
Description
IC CLK MULT PLL ZD 2.5V 16-SOIC
Manufacturer
IDT, Integrated Device Technology Inc
Type
Clock Multiplier, Zero Delay Bufferr
Datasheet

Specifications of IDT23S08T-1DC

Pll
Yes with Bypass
Input
LVTTL
Output
LVTTL
Number Of Circuits
1
Ratio - Input:output
1:8
Differential - Input:output
No/No
Frequency - Max
133.3MHz
Divider/multiplier
No/No
Voltage - Supply
2.3 V ~ 2.7 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
16-SOIC
Frequency-max
133MHz
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
23S08T-1DC
FEATURES:
• Phase-Lock Loop Clock Distribution for Applications ranging
• Distributes one clock input to two banks of four outputs
• Separate output enable for each output bank
• External feedback (FBK) pin is used to synchronize the outputs
• Output Skew <200 ps
• Low jitter <200 ps cycle-to-cycle
• 1/2x, 1x, 2x, 4x output options (see table):
• No external RC network required
• Operates at 2.5V V
• Spread spectrum compatible
• Available in SOIC package
FUNCTIONAL BLOCK DIAGRAM
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGE
IDT23S08T
2.5V ZERO DELAY CLOCK MULTIPLIER
c
from 10MHz to 133MHz operating frequency
to the clock input
– IDT23S08T-1 1x
– IDT23S08T-2 1x, 2x
– IDT23S08T-3 2x, 4x
– IDT23S08T-4 2x
– IDT23S08T-5 1/2x
2006
Integrated Device Technology, Inc.
DD
REF
FBK
S2
S1
16
1
8
9
(-3, -4)
(-5)
2
2
2.5V ZERO DELAY CLOCK
MULTIPLIER, SPREAD
SPECTRUM COMPATIBLE
PLL
Control
Logic
1
(-2, -3)
DESCRIPTION:
is designed to address high-speed clock distribution and multiplication applica-
tions. The zero delay is achieved by aligning the phase between the incoming
clock and the output clock, operable within the range of 10 to 133MHz.
two select addresses. By proper selection of input addresses, both banks can
be put in tri-state mode. In test mode, the PLL is turned off, and the input clock
directly drives the outputs for system testing purposes. In the absence of an
input clock, the IDT23S08T enters power down. In this mode, the device will
draw less than 12µA, and the outputs are tri-stated.
scaling and multiplication of the Input REF Clock. (See available options
table.)
to control the delay between the input clock and the outputs.
The IDT23S08T is a high-speed phase-lock loop (PLL) clock multiplier. It
The IDT23S08T has two banks of four outputs each that are controlled via
The PLL is closed externally to provide more flexibility by allowing the user
The IDT23S08T is characterized for Commercial operation.
The IDT23S08T is available in six unique configurations for both pre-
2
7
10
11
6
2
3
14
15
COMMERCIAL TEMPERATURE RANGE
CLKA1
CLKA2
CLKA3
CLKA4
CLKB1
CLKB2
CLKB3
CLKB4
INFORMATION
MARCH 2006
IDT23S08T
ADVANCE
DSC - 6510/6

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IDT23S08T-1DC Summary of contents

Page 1

... The zero delay is achieved by aligning the phase between the incoming clock and the output clock, operable within the range 133MHz. The IDT23S08T has two banks of four outputs each that are controlled via two select addresses. By proper selection of input addresses, both banks can be put in tri-state mode ...

Page 2

... IDT23S08T 2.5V ZERO DELAY CLOCK MULTIPLIER PIN CONFIGURATION 1 REF 2 CLKA1 3 CLKA2 GND 6 CLKB1 7 CLKB2 8 S2 SOIC TOP VIEW PIN DESCRIPTION Pin Number Functional Description REF (1) 1 Input Reference Clock, 3.3V Tolerant Input CLKA1 (2) 2 Clock Output for Bank A (2) CLKA2 3 Clock Output for Bank A ...

Page 3

... ZERO DELAY AND SKEW CONTROL To close the feedback loop of the IDT23S08T, the FBK pin can be driven from any of the eight available output pins. The output driving the FBK pin will be driving a total load of 7pF plus any additional load that it drives. The relative loading of this output (with respect to the remaining outputs) can adjust the input-output delay ...

Page 4

... IDT23S08T 2.5V ZERO DELAY CLOCK MULTIPLIER DC ELECTRICAL CHARACTERISTICS Symbol Parameter V Input LOW Voltage Level IL V Input HIGH Voltage Level IH I Input LOW Current IL I Input HIGH Current IH V Output LOW Voltage OL V Output HIGH Voltage OH I Power Down Current DD_PD I Supply Current ...

Page 5

... IDT23S08T 2.5V ZERO DELAY CLOCK MULTIPLIER SWITCHING WAVEFORMS Output Output V Output t5 Output to Output Skew FBK, Device 1 FBK, Device 2 t7 Device to Device Skew Duty Cycle Timing 0.7V 0.7V 1.7V 1. All Outputs Rise/Fall Time Input /2 DD FBK TEST CIRCUIT 0.1μF 0.1μF ...

Page 6

... IDT23S08T 2.5V ZERO DELAY CLOCK MULTIPLIER ORDERING INFORMATION IDT XXXXX XX X Package Process Device Type CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 COMMERCIAL TEMPERATURE RANGE Blank Commercial ( + Small Outline DCG SOIC - Green 23S08T-1 23S08T-2 2.5V Zero Delay Clock Buffer, Spread ...

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