8534BMI-13LF IDT, 8534BMI-13LF Datasheet
8534BMI-13LF
Specifications of 8534BMI-13LF
Related parts for 8534BMI-13LF
8534BMI-13LF Summary of contents
Page 1
Low Skew, 1-to-22 Differential-to- 3.3V LVPECL Fanout Buffer General Description The ICS8534- low skew, 1-to-22 Differential-to-3.3V LVPECL Fanout Buffer. The ICS8534-01 has two selectable clock inputs. The CLK, nCLK pair can accept most standard differential input levels. The ...
Page 2
ICS8534-01 Data Sheet Table 1. Pin Descriptions Number Name 1, 16, 17, 32, V Power CCO 33, 48 Unused 4 V Power CC 5 CLK Input 6 nCLK Input 7 CLK_SEL Input 8 ...
Page 3
ICS8534-01 Data Sheet Table 2. Pin Characteristics Symbol Parameter C Input Capacitance IN R Input Pullup Resistor PULLUP R Input Pulldown Resistor PULLDOWN Function Table Table 3. Control Input Function Table. Inputs OE CLK_SEL Q0:Q21 0 0 LOW 0 1 ...
Page 4
ICS8534-01 Data Sheet Absolute Maximum Ratings NOTE: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These ratings are stress specifications only. Functional operation of product at these conditions or any conditions beyond those ...
Page 5
ICS8534-01 Data Sheet Table 4C. Differential DC Characteristics, V Symbol Parameter I Input High Current IH I Input Low Current IL V Peak-to-Peak Voltage; NOTE Common Mode Input Voltage; NOTE 1, 2 CMR NOTE 1: V should ...
Page 6
ICS8534-01 Data Sheet AC Electrical Characteristics Table 3.3V ± 5 CCO Symbol Parameter f Output Frequency OUT t Propagation Delay; NOTE 1 PD tsk(o) Output Skew; NOTE 2, 3 tsk(pp) Part-to-Part Skew; NOTE ...
Page 7
ICS8534-01 Data Sheet Additive Phase Jitter The spectral purity in a band at a specific offset from the fundamental compared to the power of the fundamental is called the dBc Phase Noise. This value is normally expressed using a Phase ...
Page 8
ICS8534-01 Data Sheet Parameter Measurement Information 2V±5% V CC, V CCO LVPECL V EE 1.3V± 0.165V - 3.3V LVPECL Output Load AC Test Circuit Par t 1 nQx Qx Par t 2 nQy Qy tsk(pp) Part-to-Part Skew nCLK, nPCLK CLK, ...
Page 9
... PERIOD t odc = t PERIOD - Output Duty Cycle/Pulse Width/Period Applications Information Recommendations for Unused Input and Output Pins Inputs: CLK/nCLK Inputs For applications not requiring the use of the differential input, both CLK and nCLK can be left floating. Though not required, but for additional protection, a 1kΩ resistor can be tied from CLK to ground. ...
Page 10
ICS8534-01 Data Sheet Wiring the Differential Input to Accept Single-Ended Levels Figure 2 shows how a differential input can be wired to accept single ended levels. The reference voltage V the bias resistors R1 and R2. The bypass capacitor (C1) ...
Page 11
... CLK/nCLK input driven by the most common driver 1. 50Ω 50Ω LVHSTL R1 IDT 50Ω LVHSTL Driver Figure 3A. CLK/nCLK Input Driven by an IDT Open Emitter LVHSTL Driver 3.3V 3.3V R3 125Ω 50Ω 50Ω LVPECL R1 84Ω Figure 3C. CLK/nCLK Input Driven ...
Page 12
ICS8534-01 Data Sheet LVPECL Clock Input Interface The PCLK /nPCLK accepts LVPECL, CML, SSTL and other differential signals. Both V and V SWING V input requirements. Figures show interface examples CMR for the PCLK/nPCLK input driven by ...
Page 13
ICS8534-01 Data Sheet Termination for 3.3V LVPECL Outputs The clock layout topology shown below is a typical termination for LVPECL outputs. The two different layouts mentioned are recommended only as guidelines. The differential outputs are low impedance follower outputs that ...
Page 14
ICS8534-01 Data Sheet EPAD Thermal Release Path In order to maximize both the removal of heat from the package and the electrical performance, a land pattern must be incorporated on the Printed Circuit Board (PCB) within the footprint of the ...
Page 15
ICS8534-01 Data Sheet Power Considerations This section provides information on power dissipation and junction temperature for the ICS8534-01. Equations and example calculations are also provided. 1. Power Dissipation. The total power dissipation for the ICS8534-01 is the sum of the ...
Page 16
ICS8534-01 Data Sheet 3. Calculations and Equations. The purpose of this section is to calculate the power dissipation for the LVPECL output pair. LVPECL output driver circuit and termination are shown in Figure 7. V CCO Q1 Figure 7. LVPECL ...
Page 17
ICS8534-01 Data Sheet Reliability Information θ Table 7. vs. Air Flow Table for a 64 Lead TQFP, E-Pad JA Linear Feet per Minute Multi-Layer PCB, JEDEC Standard Test Boards Transistor Count The transistor count for ICS8534-01 is: 1474 ICS8534AY-01 REVISION ...
Page 18
ICS8534-01 Data Sheet Package Outline and Package Dimensions Package Outline - Y Suffix for 64 Lead TQFP, E-Pad Table 8. Package Dimensions for 64 Lead TQFP, E-Pad JEDEC Variation: ACD All Dimensions in Millimeters Symbol Minimum Nominal ...
Page 19
... Any other applications, such as those requiring extended temperature ranges, high reliability or other extraordinary environmental requirements are not recommended without additional processing by IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT does not authorize or warrant any IDT product for use in life support devices or critical medical instruments ...
Page 20
ICS8534-01 Data Sheet Revision History Sheet Rev Table Page T4C ICS8534AY-01 REVISION B MARCH 28, 2011 Description of Change Updated ...
Page 21
... IDT or any third parties. IDT’s products are not intended for use in life support systems or similar devices where the failure or malfunction of an IDT product can be reasonably expected to significantly affect the health or safety of users. Anyone using an IDT product in such a manner does so at their own risk, absent an express, written agreement by IDT ...