IDT5V49EE503NLGI IDT, Integrated Device Technology Inc, IDT5V49EE503NLGI Datasheet
IDT5V49EE503NLGI
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IDT5V49EE503NLGI Summary of contents
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EEPROM PROGRAMMABLE CLOCK GENERATOR Description The IDT5V49EE503 is a programmable clock generator intended for high performance data-communications, telecommunications, consumer, and networking applications. There are four internal PLLs, each individually programmable, allowing for four unique non-integer-related frequencies. The frequencies are generated ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Functional Block Diagram XIN/REF XOUT CLKIN CLKSEL SD/OE SDA Control Logic SCL SEL[2:0] 1. CLKIN, CLKSEL, SD/OE and SEL[2:0] have pull down resistors. IDT® EEPROM PROGRAMMABLE CLOCK GENERATOR PLL0 (SS) ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Pin Configuration 19 1 VDD XOUT XIN/REF VDDx CLKIN 13 GND 7 24-pin QFN Pin Descriptions Pin# Pin Name 1 VDD 2 XOUT 3 XIN / REF 4 VDDx 5 CLKIN 6 GND 7 OUT1 ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Pin# Pin Name 19 SEL2 20 SEL1 21 SEL0 22 SD/OE 23 OUT0 24 GND IDT® EEPROM PROGRAMMABLE CLOCK GENERATOR I/O Pin Type I LVTTL Configuration select pin. Weak internal pull down resistor. I LVTTL ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR PLL Features and Descriptions Pre-Divider 1 (D) Values PLL0 1 - 127 PLL1 1 - 127 PLL2 1 - 127 PLL3 3 - 127 1.For PLL0, PLL1 and PLL2, D=0 means PLL power down. For ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Reference Clock Input Pins and Selection The IDT5V49EE503 supports up to two clock inputs. One of the clock inputs (XIN/ REF) can be driven by either an external crystal or a reference clock. The second ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR clocks are at different frequencies, the device will always remain on the primary clock unless it is absent for two secondary clock cycles. The secondary clock must always run at a frequency less than or ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR SS_OFFSET[5:0] These bits are used to program the fractional offset with respect to the nominal M integer value. For center spread, the SS_OFFSET is set to '0' so that the spread spectrum waveform is centered ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Profile: Waveform starts with SS_OFFSET, SS_OFFSET + SD SS_OFFSET + SD , etc. J+1 Spread Spectrum Using Sinusoidal Profile Example F = 25MHz 100MHz, Fssc = 33KHz with center IN OUT spread of ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Spread Spectrum Generation (PLL3) PLL3 support spread spectrum generation capability, which users have the option of turning on and off. Spread spectrum profile, frequency, and spread are fully programmable (within limits). The technique is different ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR PLL Loop Bandwidth: Charge pump gain (Kφ⎞ 2π VCO gain ( 900 MHz/V * 2π VCO M = Total multiplier value (See the Reference Divider, Feedback Divider and Output Divider ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR SEL[2:0] Function The IDT5V49EE503 can support up to six unique configurations. Users may pre-programmed all these configurations, and select the configurations using SEL[2:0] SEL2 SEL1 SEL0 ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Each frame starts with a “Start Condition” and ends with an “End Condition”. These are both generated by the Master device. MSB 7-bit slave address R/W 0 – Slave will ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Progread Note: If the expected read command is not from the next higher register to the previous read or write command, then set a known “read” register address prior to a read operation by issuing ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Bus DC Characteristics Symbol Parameter V Input HIGH Level IH V Input LOW Level IL V Hysteresis of Inputs HYS I Input Leakage Current IN V Output LOW Voltage ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Bus AC Characteristics for Fast Mode Symbol Parameter F Serial Clock Frequency (SCL) SCLK t Bus free time between STOP and START BUF t Setup Time, START SU:START t Hold Time, START ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the IDT5V49EE503. These ratings, which are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Capacitance (T = +25 °C) A Symbol C Input Capacitance (CLKIN, CLKSEL, SD/OE, IN SDA, SCL, SEL[2:0]) Pull-down CLKIN, CLKSEL, SD/OE, SEL[2:0] Resistor Crystal Specifications XTAL_FREQ Crystal frequency XTAL_MIN Minimum crystal load capacitance XTAL_MAX Maximum ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR AC Timing Electrical Characteristics (Spread Spectrum Generation = OFF) Symbol Parameter 1 f Input Frequency Output Frequency f VCO Frequency VCO f PFD Frequency PFD f Loop Bandwidth BW t2 Input ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Spread Spectrum Generation Specifications Symbol Parameter 1 f Input Frequency Input Frequency Limit IN f Mod Frequency Modulation Frequency MOD f Spread Value Amount of Spread Value (programmable) - Down Spread SPREAD Amount of Spread ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Programming Registers Table Default Register Addr Hex 7 6 Value 0x00 00 0x01 00 SP OE6 0x02 02 0x03 02 Reserved OS*6 0x04 0F SH 0x05 04 Reserved 0x06 00 0x07 00 Reserved 0x08 00 ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Default Register Addr Hex 7 6 Value 0x28 00 Reserved 0x29 00 Reserved 0x2A 00 Reserved 0x2B 00 Reserved 0x2C 00 Reserved 0x2D 00 Reserved 0x2E 01 0x2F 01 0x30 01 0x31 01 0x32 01 ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Default Register Addr Hex 7 6 Value 0x56 00 IP3[3:0]_CFG4 0x57 00 IP3[3:0]_CFG5 0x58 00 IP3[3:0]_CFG0 0x59 00 IP3[3:0]_CFG1 0x5A 00 IP3[3:0]_CFG2 0x5B 00 IP3[3:0]_CFG3 0x5C 03 Reserved 0x5D 03 Reserved 0x5E 03 Reserved 0x5F ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Default Register Addr Hex 7 6 Value 0x7E 00 0x7F 00 0x80 00 0x81 00 0x82 00 0x83 00 0x84 00 0x85 00 0x86 00 0x87 00 0x88 FF PM1_CFG0 0x89 FF PM1_CFG1 0x8A FF ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Default Register Addr Hex 7 6 Value 0xAC 00 TSSC[3:0]_CFG0 0xAD 00 TSSC[3:0]_CFG1 0xAE 00 TSSC[3:0]_CFG2 0xAF 00 TSSC[3:0]_CFG3 0xB0 00 TSSC[3:0]_CFG4 0xB1 00 TSSC[3:0]_CFG5 0xB2 00 DITH_CFG4 X2_CFG4 0xB3 00 DITH_CFG5 X2_CFG5 0xB4 00 ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Marking Diagram 4503LI #YYWW$ Notes: 1. “#” is the lot number. 2. YYWW is the last two digits of the year and week that the part was assembled. 3. “$” is the assembly mark code. ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Package Outline and Package Dimensions Package dimensions are kept current with JEDEC Publication No. 95 Index Area Top View D Millimeters Symbol Min Max A 0.80 1. 0.05 A3 ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR Revision History Rev. Originator Date Description of Change A R.Willner 4/27/09 Advance Information. B R.Willner 5/04/09 Identified VDDX (crystal oscillator power) and AVDD (analog power) on device. C R.Willner 6/04/09 Add default configurations, pull-down resistor ...
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IDT5V49EE503 EEPROM PROGRAMMABLE CLOCK GENERATOR 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 © 2010 Integrated Device Technology, Inc. All rights reserved. Product specifications subject ...