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CDCR61APWG4

CDCR61APWG4

  • 厂商:

    BURR-BROWN(德州仪器)

  • 封装:

    TSSOP16

  • 描述:

    IC DIRECT RAMBUS CLK GEN 16TSSOP

  • 数据手册
  • 价格&库存
CDCR61APWG4 数据手册
CDCR61A DIRECT RAMBUS CLOCK GENERATOR – LITE SCAS626 – FEBRUARY 2000 D D D D PW PACKAGE (TOP VIEW) 400-MHz Differential Clock Source for Direct Rambus Memory Systems for an 800-MHz Data Transfer Rate Operates From Two (3.3-V and 1.80-V) Power Supplies With 180 mW (Typ) at 400 MHz Total Packaged in a Thin Shrink Small-Outline Package (PW) External Crystal Required for Input VDDP GNDP XOUT XIN VDDL LCLK GNDL S1 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 S0 VDD GND CLK CLKB GND VDD S2 description The Direct Rambus clock generator – lite (DRCG-Lite) is an independent crystal clock generator. It performs clock multiplication using PLL, sourced by an internal crystal oscillator. It provides one differential, high-speed Rambus channel compatible output pair. Also, one single-ended output is available to deliver 1/2 of the crystal frequency. The Rambus channel operates at up to 400 MHz with an option to select 300 MHz as well. The desired crystal is a 18.75-MHz crystal in a series resonance fundamental application. The CDCR61A is characterized for operation over free-air temperatures of 0°C to 85°C. functional block diagram S0 VDDP S1 XTAL OSC S2 PLL XIN 2 DIV XOUT BUSCLK LCLK /2 BUSCLK FREQUENCY SETTINGS S0 M (PLL MULTIPLIER) 0 16 1 or Open 64/3 FUNCTION TABLE VDDP ON S1 S2 MODE CLK CLKB LCLK 0 0 Normal CLK CLKB XIN divided by 2 ON 1 1 Normal CLK CLKB XIN divided by 2 ON 0 1 Test Divided by 2 Divided by 2 XIN divided by 2 ON 1 0 Test Divided by 4 Divided by 4 XIN divided by 2 0V 0 0 Test XIN XIN (invert) XIN divided by 2 0V 1 1 Test XIN XIN (invert) XIN divided by 2 0V 0 1 Test XIN divided by 2 XIN (invert) divided by 2 XIN divided by 2 0V 1 0 Test XIN divided by 4 XIN (invert) divided by 4 XIN divided by 2 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Direct Rambus and Rambus are trademarks of Rambus Inc. Copyright  2000, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 CDCR61A DIRECT RAMBUS CLOCK GENERATOR – LITE SCAS626 – FEBRUARY 2000 Terminal Functions TERMINAL NAME CLK CLKB GNDP, GNDL, GND LCLK NO. I/O DESCRIPTION 13 O Output clock, connect to Rambus channel 12 O Output clock (complement), connect to Rambus channel 2, 7, 11, 14 Ground 6 O LVCMOS output, 1/2 of crystal frequency S0, S1, S2 16, 8, 9 I LVTTL level logic select terminal for function selection VDD VDDP 10, 15 VDDL XIN 5 4 I Reference crystal input XOUT 3 O Reference crystal feedback Power supply, 3.3 V 1 Power supply for PLL, 3.3 V (0 V for Test mode) Power supply for LCLK, 1.8 V absolute maximum ratings over operating free-air temperature (unless otherwise noted)† Supply voltage range, VDD or VDDP (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 4 V Supply voltage range, VDDL (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 4 V Input voltage range,VI, at any input terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to VDD + 0.5 V Output voltage range, VO, at any output terminal (CLK, CLKB) . . . . . . . . . . . . . . . . . . . . –0.5 V to VDD + 0.5 V Output voltage range, VO, at any output terminal (LCLK) . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to VDDL + 0.5 V ESD rating (MIL-STD 883C, Method 3015) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 2 kV, Machine Model >200 V Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see Dissipation Rating Table Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 85°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: All voltage values are with respect to the GND terminals. DISSIPATION RATING TABLE PACKAGE TA ≤ 25°C POWER RATING DERATING FACTOR ABOVE TA = 25°C‡ TA = 85°C POWER RATING PW 1400 mW 11 mW/°C 740 mW ‡ This is the inverse of the junction-to-ambient thermal resistance when board-mounted and with no air flow. 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 CDCR61A DIRECT RAMBUS CLOCK GENERATOR – LITE SCAS626 – FEBRUARY 2000 recommended operating conditions Supply voltage, VDD LCLK supply voltage, VDDL MIN NOM MAX 3 3.3 3.6 V 1.7 1.8 2.1 V 0.35×VDD 0.35×VDD V S0 Low level input voltage, Low-level voltage VIL S1, S2 S0 High level input voltage, High-level voltage VIH S1, S2 Internal pullup resistance Low level output current Low-level current, IOL High level output current, High-level current IOH 0.65×VDD 0.65×VDD 10 55 100 S1, S2 90 145 250 CLK, CLKB 16 LCLK 10 CLK, CLKB –16 LCLK –10 14.0625 Input capacitance (CMOS), (CMOS) CI† V S0 Input frequency at crystal input kΩ mA mA 18.75 MHz S0, S1, S2 2.5 XIN, XOUT 20 Operating free-air temperature, TA † Capacitance measured at f = 1 MHz, dc bias = 0.9 V, and VAC < 100 mV UNIT 0 pF °C 85 timing requirements MIN MAX Clock cycle time, t(cycle) 2.5 3.7 Input slew rate, SR 0.5 4 V/ns 3 ms State transition latency (VDDX or S0 to CLKs – normal mode), t(STL) UNIT ns crystal specifications Frequency Frequency tolerance (at 25°C ± 3°C) MIN MAX UNIT 14.0625 18.75 MHz 15 ppm –15 Equivalent resistance (CL = 10 pF) 100 Ω Temperature drift (–10°C to 75°C) 10 ppm Drive level 0.01 1500 µW Motional inductance 20.7 25.3 mH Insulation resistance 500 MΩ Spurious attenuation ratio (at frequency ± 500 kHz) 3 dB Overtone spurious 8 dB POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3 CDCR61A DIRECT RAMBUS CLOCK GENERATOR – LITE SCAS626 – FEBRUARY 2000 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) TEST CONDITIONS† PARAMETER MIN TYP‡ MAX UNIT 1.25 1.85 V 0.4 0.7 V VO(X) Differential crossing-point output voltage See Figures 1 and 7 VO(PP) Peak-to-peak output voltage swing, single ended VOH – VOL, See Figure 1 VDD = 3 V, VDD = 3.3 V, II = –18 mA VI = VO VDD = 3.3 V, VDD = 3.6 V, VO = 2 V VI = VDD 27 VDD = 3.6 V, VDD = 3.3 V, VI = VDD VO = 0 V 10 VDD = 3.6 V, VDD = 3.6 V, VI = 0 V VI = 0 V VIK RI Input clamp voltage Input resistance XIN, XOUT XOUT IIH High-level input current S0 S1, S2 XOUT IIL Low-level input current S0 S1, S2 –1.2 >50 10 –5.7 –30 –100 –10 –50 See Figure 1 CLK, CLKB VOH High level output voltage High-level LCLK IOH Low level output voltage Low-level CLK, CLKB IOH = –1 mA VDD = 3 V, IOH = –16 mA 2.2 VDDL = min to max, IOH = – 10 mA VDDL – 0.45 V LCLK VDDL = min to max, VDD = 3.135 V, IOL = 10 mA VO = 1 V CLK, CLKB VDD = 3.3 V, VDD = 3.465 V, VO = 1.65 V VO = 3.135 V VDDL = 1.7 V, VDDL = 1.8 V, VO = 0.5 V VO = 0.9 V VDDL = 2.1 V, VDD = 3.135 V, VO = 1.6 V VO = 1.95 V VDD = 3.3 V, VDD = 3.465 V, VO = 1.65 V VO = 0.4 V VDDL = 1.7 V, VDDL = 1.8 V, VO = 1.2 V VO = 0.9 V CLK, CLKB IOL Low level output current Low-level LCLK rOL High-level dynamic output resistance§ Low-level dynamic output resistance§ CO Output capacitance rOH mA µA V VDDL 0.1 0.5 0 –32 V 0.45 –52 –51 –14.5 –11 –21 –26 mA –28 –24.5 43 –35 61.5 65 25.5 11 36 27 mA 30 VDDL = 2.1 V, VO = 0.5 V ∆IO – 14.5 mA to ∆IO – 16.5 mA 28 38 12 25 40 Ω ∆IO + 14.5 mA to ∆IO + 16.5 mA 12 17 40 Ω CLK, CLKB 3 LCLK 3 † VDD refers to any of the following; VDD, VDDL, and VDDP ‡ All typical values are at VDD = 3.3 V, VDDL = 1.8 V, TA = 25°C. § rO = ∆VO/∆IO. This is defined at the output terminals, not at the measurement point of Figure 1. 4 µA 1 IOL = 1 mA IOL = 16 mA LCLK VDD– 0.1 V VDD = min to max, VDD = min to max, VDD = 3 V, High level output current High-level mA 2.1 See Figure 1 VOL V kΩ POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 pF CDCR61A DIRECT RAMBUS CLOCK GENERATOR – LITE SCAS626 – FEBRUARY 2000 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued) TEST CONDITIONS† PARAMETER IDD IDDL MIN TYP‡ MAX UNIT Static supply current Outputs high or low (VDDP = 0 V) 6.5 Static supply current (LVCMOS) Outputs high or low (VDDP = 0 V) 50 µA 300 MHz 39 mA 400 MHz 50 mA 400 MHz 8 mA IDD(NORMAL) Supply current in normal state IDDL(NORMAL) Supply current in normal state (LVCMOS) mA † VDD refers to any of the following; VDD, VDDL, and VDDP ‡ All typical values are at VDD = 3.3 V, VDDL = 1.8 V, TA = 25°C. switching characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS t(cycle) Clock cycle time (CLK, CLKB) tcjj Total jitter j over 1,, 2,, 3,, 4,, 5,, or 6 clock cycles‡ tjL Long term jitter Long-term tDC Output duty cycle over 10,000 cycles tDC,ERR DC ERR Output cycle-to-cycle cycle to cycle duty cycle error tr, tf Output rise and fall times (measured at 20%-80% of output voltage)# ∆t Difference between rise and fall times on a single device (20%–80%) |tf – tr|# tc(LCLK) t(cj) Clock cycle time (LCLK) LCLK cycle jitter§ See Figure 11 t(cj10) tDC LCLK 10-cycle jitter§¶ See Figure 11 tr, tf TYP† 2.5 300 MHz 400 MHz 300 MHz 400 MHz 300 MHz 400 MHz CLK, CLKB LCLK Output rise and fall times (measured at 20%-80% of output voltage) LCLK 400 300 45% 55 160 UNIT ns ps ps 55% 70 See Figure 6 ps 400 ps 100 ps 106.6 142.2 ns –0.2 0.2 ns –1.3 t(cj) 1.3 t(cj) ns 40% 60% See Figure 9, See Figure 9 fmod = 50 kHz fmod = 8 MHz 3.7 100 See Figure 4 See Figure 9, MAX 140 See Figure 3 See Figure 5 Output duty cycle PLL loop bandwidth MIN 1 –3 –20 ns dB † All typical values are at VDD = 3.3 V, TA = 25°C. ‡ Output short-term jitter specification is peak-to-peak (see Figure 9). § LCLK cycle jitter and 10-cycle jitter are defined as the difference between the measured period and the nominal period. ¶ LCLK 10-cycle jitter specification is based on the measured value of LCLK cycle jitter. # VDD= 3.3 V POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5 CDCR61A DIRECT RAMBUS CLOCK GENERATOR – LITE SCAS626 – FEBRUARY 2000 PARAMETER MEASUREMENT INFORMATION 68 Ω, ±5% 3 pF See Note A 39 Ω, ±5% RT = 28 Ω (CLK) Measurement Node 39 Ω, ±5% 68 Ω, ±5% 100 pF RT = 28 Ω (CLKB) 3 pF See Note A NOTE A: These capacitors represent parasitic capacitance. No discrete capacitors are used on the test board during device characterization. Figure 1. Test Load and Voltage Definitions (VO(STOP), VO(X), VO, VOH, VOL) CLK CLKB tc1 tc2 Cycle-to-cycle jitter = | tc1 – tc2| over 10000 consecutive cycles Figure 2. Cycle-to-Cycle Jitter CLK CLKB tc(i) tc(i+1) tc(i) = nominal expected time Cycle-to-cycle jitter = | tc(i) – tc(i+1)| over 10000 consecutive cycles Figure 3. Short-Term Cycle-to-Cycle Jitter over 2, 3, 4, or 6 Cycles CLK CLKB t(cycle) tjL = | t(cycle), max– t(cycle), min| over 10000 consecutive cycles Figure 4. Long-Term Jitter 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 CDCR61A DIRECT RAMBUS CLOCK GENERATOR – LITE SCAS626 – FEBRUARY 2000 PARAMETER MEASUREMENT INFORMATION CLK CLKB tpW+ t(cycle) Duty cycle (tDC) = (tpW+/t(cycle)) Figure 5. Output Duty Cycle CLK CLKB tpW+(i) t(cycle) tpW+(i+1) t(cycle) Duty cycle error (tDC,ERR) = tpW+(i) – tpW+(i+1) Figure 6. Duty Cycle Error (Cycle-to-Cycle) CLK VO(X)+ VO(X), nom VO(X)– CLKB Figure 7. Crossing-Point Voltage 1.8 V 120 Ω LCLK 10 pF 120 Ω VOH 80% 20% tr VOL tf Figure 8. LCLK Test Load Circuit and Voltage Waveform for CLK/CLKB and LCLK POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 7 CDCR61A DIRECT RAMBUS CLOCK GENERATOR – LITE SCAS626 – FEBRUARY 2000 PARAMETER MEASUREMENT INFORMATION VDD, VDDP, or S0 CLK/CLKB ÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎ t(STL) Figure 9. PLL Frequency Transition Timing LCLK t(cj) t(cj10) Figure 10. LCLK Jitter 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PACKAGE OPTION ADDENDUM www.ti.com 11-Apr-2013 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish (2) MSL Peak Temp Op Temp (°C) Top-Side Markings (3) (4) CDCR61APW ACTIVE TSSOP PW 16 90 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 85 CKR61A CDCR61APWG4 ACTIVE TSSOP PW 16 90 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 85 CKR61A CDCR61APWR ACTIVE TSSOP PW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 85 CKR61A CDCR61APWRG4 ACTIVE TSSOP PW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 85 CKR61A (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. (4) Multiple Top-Side Markings will be inside parentheses. Only one Top-Side Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Top-Side Marking for that device. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. Addendum-Page 1 Samples PACKAGE OPTION ADDENDUM www.ti.com 11-Apr-2013 Addendum-Page 2 PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 TAPE AND REEL INFORMATION *All dimensions are nominal Device CDCR61APWR Package Package Pins Type Drawing TSSOP PW 16 SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) 2000 330.0 12.4 Pack Materials-Page 1 6.9 B0 (mm) K0 (mm) P1 (mm) 5.6 1.6 8.0 W Pin1 (mm) Quadrant 12.0 Q1 PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) CDCR61APWR TSSOP PW 16 2000 367.0 367.0 35.0 Pack Materials-Page 2 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. 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