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    JEDEC JESD8-29-2016 0 6 V Low Voltage Swing Terminated Logic (LVSTL06).pdf

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    JEDEC JESD8-29-2016 0 6 V Low Voltage Swing Terminated Logic (LVSTL06).pdf

    1、JEDEC STANDARD 0.6 V Low Voltage Swing Terminated Logic (LVSTL06) JESD8-29 DECEMBER 2016 JEDEC SOLID STATE TECHNOLOGY ASSOCIATION NOTICE JEDEC standards and publications contain material that has been prepared, reviewed, and approved through the JEDEC Board of Directors level and subsequently review

    2、ed and approved by the JEDEC legal counsel. JEDEC standards and publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and

    3、 obtaining with minimum delay the proper product for use by those other than JEDEC members, whether the standard is to be used either domestically or internationally. JEDEC standards and publications are adopted without regard to whether or not their adoption may involve patents or articles, materia

    4、ls, or processes. By such action JEDEC does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the JEDEC standards or publications. The information included in JEDEC standards and publications represents a sound approach to product specificat

    5、ion and application, principally from the solid state device manufacturer viewpoint. Within the JEDEC organization there are procedures whereby a JEDEC standard or publication may be further processed and ultimately become an ANSI standard. No claims to be in conformance with this standard may be ma

    6、de unless all requirements stated in the standard are met. Inquiries, comments, and suggestions relative to the content of this JEDEC standard or publication should be addressed to JEDEC at the address below, or refer to www.jedec.org under Standards and Documents for alternative contact information

    7、. Published by JEDEC Solid State Technology Association 2016 3103 North 10th Street Suite 240 South Arlington, VA 22201-2107 This document may be downloaded free of charge; however JEDEC retains the copyright on this material. By downloading this file the individual agrees not to charge for or resel

    8、l the resulting material. PRICE: Contact JEDEC Printed in the U.S.A. All rights reserved PLEASE! DONT VIOLATE THE LAW! This document is copyrighted by JEDEC and may not be reproduced without permission. For information, contact: JEDEC Solid State Technology Association 3103 North 10th Street Suite 2

    9、40 South Arlington, VA 22201-2107 or refer to www.jedec.org under Standards-Documents/Copyright Information. JEDEC Standard No. 8-29 Page 1 0.6 V LOW VOLTAGE SWING TERMINATED LOGIC (LVSTL06) (From JEDEC Board Ballot JCB-16-37, formulated under the cognizance of the JC-16 Committee on Interface Techn

    10、ology. 1 Scope This standard defines power supply voltage range, dc interface, switching parameter and overshoot/undershoot for high speed low voltage swing terminated NMOS driver family digital circuits with 0.6V supply. The specifications in this standard represent a minimum set of interface speci

    11、fications for low voltage terminated circuits. The purpose of this standard is to provide a standard of specification for uniformity, multiplicity of sources, elimination of confusion, and ease of device specification and design by users. Class 1 describes low VOH (Nominal VOH = VDDQ*0.5) level term

    12、inated electrical characteristics. Class 2 describes high VOH (Nominal VOH = VDDQ*0.6) level terminated electrical characteristics. 2 LVSTL system definition LVSTL (Low Voltage Swing Terminated Logic) Driver and ODT System LVSTL I/O cell is comprised of pull-up, pull-down driver and a terminator. Th

    13、e basic cell is shown in Figure 1. Figure 1 LVSTL I/O Cell JEDEC Standard No. 8-29 Page 2 2.1 Standard specifications All voltages are referenced to ground except where noted. 2.2 Recommended DC Operating conditions Table 1 Recommended DC operating conditions Min Nom Max Unit VDDQ 0.57 0.6 0.65 V I/

    14、O Buffer Power 2.3 Pull Up Driver Characteristics for class 1 and class 2 Table 2 Pull-Up Characteristics VOHPU,nom VOH(mV) VOHPUUnit Min Nom Max Min Nom Max Class 1 VDDQ*0.5 270 300 330 0.9 1 1.1 VOH, nom Class 2 VDDQ*0.6 325 360 395 0.9 1 1.1 VOH, nom 2.4 Data Input Characteristics for class 1 and

    15、 class 2 Input levels are same for both class 1 and class 2 Figure 2 DQ Receiver (Rx) mask JEDEC Standard No. 8-29 Page 3 2.4 Data Input Characteristics for class 1 and class 2 (contd) Figure 3 DQ TdIPW definition (for each input pulse) Vcent_DQRx Mask Rx Mask Rx Mask VdIVW_totalVIHL_AC(min)/2VIHL_A

    16、C(min)/2Figure 4 DQ VIHL_AC definition (for each input pulse) Table 3 DQ Input Voltage Symbol Parameter Range 1 Range 2 Unit Min max Min max VdIVW_total Rx Mask voltage - p-p total - 140 - 120 mV VIHL_AC DQ AC input pulse amplitude pk-pk 180 - 170 - mV NOTE Each device specification defines Range 1

    17、and Range 2 adaptation. Please refer to the device specification. JEDEC Standard No. 8-29 Page 4 2.5 CA Input Characteristics for class 1 and class 2 Input levels are same for both class 1 and class 2. Figure 5 CA Receiver(Rx) mask VcIVWFigure 6 CA TcIPW definition (for each input pulse) Figure 7 CA

    18、 VIHL_AC definition (for each input pulse) JEDEC Standard No. 8-29 Page 5 2.5 CA Input Characteristics for class 1 and class 2 (contd) Table 4 CMD/ADR, CS voltage definitions Symbol Parameter Range 1 Range 2 Range 3 Unitmin max min max min maxVcIVW Rx Mask voltage - p-p - 175 - 155 - 145 mV VIHL_AC

    19、CA AC input pulse amplitude pk-pk 210 - 190 - 180 - mV NOTE Each device specification defines Range 1, Range 2, and Range 3 adaptations. Please refer to the device specification. 2.6 DQS Differential Input Cross Point Voltage Figure 8 DQS input Crosspoint voltage (Vix) Table 5 DQS input voltage cros

    20、spoint(Vix) ratio Parameter Symbol Min Max Units NotesDQS Differential input crosspoint voltage ratio Vix_DQS_ratio - 20 % 1,2 NOTE 1 The Vix voltage is referenced to Vswing/2(avg) = 0.5(VDQS_t + VDQS_c) where the average is over TBD1UI. NOTE 2 The ratio of the Vix pk voltage divided by Vdiff_DQS :

    21、Vix_DQS_Ratio = 100* (Vix_DQS/Vdiff DQS pkpk) where VdiffDQS pk-pk = 2*|VDQS_t - VDQS_c| 1At time of publication the formulating committee has not defined the value. JEDEC Standard No. 8-29 Page 6 2.7 Clock Differential Input Cross Point Voltage Figure 9 CK input Crosspoint voltage (Vix) Table 6 CK

    22、input voltage crosspoint (Vix) ratio Parameter Symbol Min Max Units NotesClock Differential input crosspoint voltage ratio Vix_CK_ratio - 25 % 1,2 NOTE 1 The Vix voltage is referenced to Vswing/2(avg)= 0.5(VCK_t + VCK_c) where the average is over TBD2UI. NOTE 2 The ratio of the Vix pk voltage divide

    23、d by Vdiff_CK : Vix_CK_Ratio = 100* (Vix_CK/Vdiff CK pk-pk) where VdiffCK pk-pk = 2*|VCK_t - VCK_c| 2.8 Internal Reference Voltage Ranges LVSTL interface use internal generated Reference Voltage (Vref) for single ended signals. Vref Range should be min 15% of VDDQ to 62.9% of VDDQ. Internal Vref sho

    24、uld be adjusted to suitable value. At time of publication the formulating committee has not defined the value. 2At time of publication the formulating committee has not defined the value. JEDEC Standard No. 8-29 Page 7 2.9 Overshoot and Undershoot Table 7 AC Overshoot/Undershoot Specification Parame

    25、ter Units Maximum peak amplitude allowed for overshoot area. (See Figure 10) Max 0.3 V Maximum peak amplitude allowed for undershoot area. (See Figure 10) Max 0.3 V Maximum area above VDD. (See Figure 10) Max 0.1 V-ns Maximum area below VSS. (See Figure 10) Max 0.1 V-ns NOTE 1 VDD2 stands for VDD fo

    26、r CA5:0, CK_t, CK_c, CS_n, CKE and ODT. VDD stands for VDDQ for DQ, DMI, DQS_t and DQS_c. NOTE 2 VSS stands for VSS for CA5:0, CK_t, CK_c, CS_n, CKE and ODT. VSS stands for VSSQ forDQ, DMI, DQS_t and DQS_c. NOTE 3 Maximum peak amplitude values are referenced from actual VDD and VSS values. NOTE 4 Ma

    27、ximum area values are referenced from maximum operating VDD and VSS values. Figure 10 Overshoot and Undershoot Definition JEDEC Standard No. 8-29 Page 8 Rev. 8/13 Standard Improvement Form JEDEC The purpose of this form is to provide the Technical Committees of JEDEC with input from the industry reg

    28、arding usage of the subject standard. Individuals or companies are invited to submit comments to JEDEC. All comments will be collected and dispersed to the appropriate committee(s). If you can provide input, please complete this form and return to: JEDEC Attn: Publications Department 3103 North 10th

    29、Street Suite 240 South Arlington, VA 22201-2107 Fax: 703.907.7583 1. I recommend changes to the following: Requirement, clause number Test method number Clause number The referenced clause number has proven to be: Unclear Too Rigid In Error Other 2. Recommendations for correction: 3. Other suggestions for document improvement: Submitted by Name: Phone:Company: E-mail: Address: City/State/Zip: Date:


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