ICS85314AGI-11 IDT, Integrated Device Technology Inc, ICS85314AGI-11 Datasheet
ICS85314AGI-11
Specifications of ICS85314AGI-11
Related parts for ICS85314AGI-11
ICS85314AGI-11 Summary of contents
Page 1
... Pulldown CLK1 Pullup 1 nCLK1 Pulldown CLK_SEL ICS85314AGI-11 REVISION E MAY 4, 2010 Features • Five differential 2.5V/3.3V LVPECL outputs • Selectable differential CLKx, nCLKx inputs • CLK0, nCLK0 and CLK1, nCLK1 pairs can accept the following differential input levels: LVPECL, LVDS, LVHSTL, HCSL, SSTL • ...
Page 2
... IN R Input Pullup Resistor PULLUP R Input Pulldown Resistor PULLDOWN ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER Type Description Differential output pair. LVPECL interface levels. Differential output pair. LVPECL interface levels. Differential output pair. LVPECL interface levels. ...
Page 3
... Q[0:4] Figure 1. nCLK_EN Timing Diagram Table 3B. Clock Input Function Table Inputs CLK0 or CLK1 nCLK0 or nCLK1 ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER Selected Source CLK0, nCLK0 CLK1, nCLK1 CLK0, nCLK0 CLK1, nCLK1 Disabled Outputs Q[0:4] nQ[0:4] ...
Page 4
... PP V Common Mode Range; NOTE 1, 2 CMR NOTE 1: V should not be less than -0.3V IL NOTE 2: Common mode voltage is defined as V ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER Rating 4.6V -0. 50mA 100mA 46.2°C/W (0 lfpm) 73.2°C/W (0 lfpm) -65° ...
Page 5
... NOTE 5: Defined as skew between outputs on different devices operating at the same supply voltage, same temperature, same frequency and with equal load conditions. Using the same type of inputs on each device, the outputs are measured at the differential cross points. ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER = 2.375V to 3.8V ...
Page 6
... ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER 12kHz to 20MHz = 0.05ps (typical) Raw Phase Noise Data Offset Frequency (Hz) 6 155.52MHz RMS Phase Jitter (Random) ©2010 Integrated Device Technology, Inc. ...
Page 7
... LVPECL Output Load AC Test Circuit nQx nQx nQy nQy tsk(o) Output Skew nCLK[0:1] CLK[0:1] nQ[0:4] Q[0: Propagation Delay ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER V CC SCOPE nCLK[0:1] Qx CLK[0:1] nQx V EE Differential Input Level Par t 1 nQx nQx Par t 2 ...
Page 8
... SET-UP HOLD Setup & Hold Time nQ[0:4] Q[0: PERIOD t PW odc = t PERIOD Output Duty Cycle ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER nQ[0:4] Q[0:4] Output Rise/Fall Time x 100% 8 80% 80% 20 ©2010 Integrated Device Technology, Inc ...
Page 9
... All control pins have internal pull-ups or pull-downs; additional resistance is not required but can be added for additional protection. A 1kΩ resistor can be used. ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER line impedance. For most 50Ω applications, R3 and R4 can be 100Ω. ...
Page 10
... R1 50Ω *Optional – R3 and R4 can be 0Ω Figure 3E. CLK/nCLK Input Driven by a 3.3V HCSL Driver ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER with the vendor of the driver component to confirm the driver must meet the V and termination requirements ...
Page 11
... Figure 4A. 3.3V LVPECL Output Termination ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER transmission lines. Matched impedance techniques should be used to maximize operating frequency and minimize signal distortion. Figures 4A and 4B show two different layouts which are recommended only as guidelines ...
Page 12
... CC 50Ω 50Ω 2.5V LVPECL Driver Figure 5C. 2.5V LVPECL Driver Termination Example ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER ground level. The R3 in Figure 5B can be eliminated and the termination is shown in Figure 5C. – very close ...
Page 13
... Single-Layer PCB, JEDEC Standard Test Boards Multi-Layer PCB, JEDEC Standard Test Boards NOTE: Most modern PCB design use multi-layered boards. The data in the second row pertains to most designs. ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER = 3.8V, which gives worst case results. ...
Page 14
... Pd_L = [(V – (V – 2V))/R OL_MAX CC_MAX [(2V – 1.7V)/50Ω] * 1.7V = 10.2mW Total Power Dissipation per output pair = Pd_H + Pd_L = 30mW ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER V OUT RL 50Ω ...
Page 15
... Multi-Layer PCB, JEDEC Standard Test Boards NOTE: Most modern PCB design use multi-layered boards. The data in the second row pertains to most designs. Transistor Count The transistor count for ICS85314I-11 is: 674 ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER θ by Velocity ...
Page 16
... Reference Document: JEDEC Publication 95, MO-153 ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER Package Outline - M Suffix for 20 Lead SOIC Table 8B. Package Dimensions for 20 Lead SOIC 300 Millimeters All Dimensions in Millimeters Symbol ...
Page 17
... 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. ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER ...
Page 18
... Ordering Information Table - added LF marking for SOIC package. Converted datasheet format Ordering Information Table - corrected package in the Package Column. ICS85314AGI-11 REVISION E MAY 4, 2010 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-2.5V, 3.3V LVPECL FANOUT BUFFER Description of Change max from row, nCLKx to 5uA from 150uA. ...
Page 19
ICS85314I-11 Data Sheet 6024 Silver Creek Valley Road Sales 800-345-7015 (inside USA) San Jose, California 95138 +408-284-8200 (outside USA) Fax: 408-284-2775 www.IDT.com/go/contactIDT DISCLAIMER Integrated Device Technology, Inc. (IDT) and its subsidiaries reserve the right to modify the products and/or specifications ...