74ALVC02D,118

74ALVC02 Quad 2-input NOR gate Rev. 3 — 7 September 2017 1 Product data sheet General description The 74ALVC02 is a quad 2-input NOR gate. Schmitt-trigger action at all inputs makes the circuit tolerant for slower input rise and fall times. 2 Features and benefits • • • • • • • Wide supply voltage range from 1.65 V to 3.6 V 3.6 V tolerant inputs/outputs CMOS low power consumption Direct interface with TTL levels (2.7 V to 3.6 V) Power-down mode Latch-up performance exceeds 250 mA Complies with JEDEC standards: – JESD8-7 (1.65 V to 1.95 V) – JESD8-5 (2.3 V to 2.7 V) – JESD8B/JESD36 (2.7 V to 3.6 V) • ESD protection: – HBM JESD22-A114F exceeds 2000 V – MM JESD22-A115-A exceeds 200 V (C = 200 pF; R = 0 Ω • Specified from -40 °C to +85 °C 3 Ordering information Table 1. Ordering information Type number Package Temperature range Name Description 74ALVC02D -40 °C to +85 °C SO14 plastic small outline package; 14 leads; body width 3.9 mm SOT108-1 74ALVC02PW -40 °C to +85 °C TSSOP14 plastic thin shrink small outline package; 14 leads; body width 4.4 mm 74ALVC02BQ -40 °C to +85 °C DHVQFN14 plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads; 14 terminals; body 2.5 x 3 x 0.85 mm Version SOT402-1 SOT762-1 74ALVC02 Nexperia Quad 2-input NOR gate 4 Functional diagram 2 1A 3 1B 5 2A 6 2B 8 3A 9 3B 11 4A 12 4B 2 1Y 1 2Y 4 3Y 10 4Y 3 5 6 8 9 11 13 12 1 ≥1 4 ≥1 10 ≥1 13 A Y B 001aah084 mna216 Figure 1. Logic symbol 5 ≥1 Figure 2. IEC logic symbol mna215 Figure 3. Logic diagram (one gate) Pinning information 5.1 Pinning 1 1Y terminal 1 index area 1A 2 13 4Y 1B 3 12 4B 2Y 4 11 4A 2A 5 10 3Y 2B 6 9 3B GND 7 8 3A aaa-027353 Figure 4. Pin configuration SO14 74ALVC02 Product data sheet 74ALVC02 2Y 4 2A 5 2B 6 13 4Y 12 4B 11 4A GND(1) 10 3Y 9 8 14 VCC 3 3A 1 1B 7 1Y 2 GND 74ALVC02 1A 14 VCC 74ALVC02 3B aaa-027355 Transparent top view 1Y 1 14 VCC 1A 2 13 4Y 1B 3 12 4B 2Y 4 11 4A 2A 5 10 3Y 2B 6 9 3B GND 7 8 3A (1) This is not a supply pin, the substrate is attached to this pad using conductive die attach material. There is no electrical or mechanical requirement to solder this pad however if it is soldered the solder land should remain floating or be connected to GND. aaa-027354 Figure 6. Pin configuration Figure 5. Pin configuration TSSOP14 DHVQFN14 All information provided in this document is subject to legal disclaimers. Rev. 3 — 7 September 2017 © Nexperia B.V. 2017. All rights reserved. 2 / 14 74ALVC02 Nexperia Quad 2-input NOR gate 5.2 Pin description Table 2. Pin description Symbol Pin Description 1Y, 2Y, 3Y, 4Y 1, 4, 10, 13 data output 1A, 2A, 3A, 4A 2, 5, 8, 11 data input 1B, 2B, 3B, 4B 3, 6, 9,12 data input GND 7 ground (0 V) VCC 14 supply voltage 6 Functional description Table 3. Function table H = HIGH voltage level; L = LOW voltage level. Output Input nA nB nY L L H L H L H L L H H L 74ALVC02 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 3 — 7 September 2017 © Nexperia B.V. 2017. All rights reserved. 3 / 14 74ALVC02 Nexperia Quad 2-input NOR gate 7 Limiting values Table 4. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). Symbol Parameter VCC Conditions supply voltage VI input voltage VO output HIGH or LOW state output voltage power-down mode, VCC = 0 V Min Max Unit -0.5 +4.6 V [1] -0.5 +4.6 V [1] [2] -0.5 [2] -0.5 +4.6 -50 - mA VCC + 0.5 V V IIK input clamping current VI < 0 V IOK output clamping current VO > VCC or VO < 0 V - ±50 mA IO output current VO = 0 V to VCC - ±50 mA ICC supply current - 100 mA IGND ground current -100 - mA Tstg storage temperature -65 +150 °C - 500 mW Min Max Unit 1.65 3.6 V 0 3.6 V VCC = 1.65 to 3.6 V 0 VCC V power-down mode; VCC = 0 V 0 4.6 V -40 +85 °C VCC = 1.65 V to 2.7 V 0 20 ns/V VCC = 2.7 V to 3.6 V 0 10 ns/V Ptot [1] [2] [3] total power dissipation Tamb = -40 °C to +85 °C [3] The input and output voltage ratings may be exceeded if the input and output current ratings are observed. When VCC = 0 V (power-down mode), the output voltage can be 3.6 V in normal operation. For SO14 packages: above 70 °C derate linearly with 8 mW/K. For TSSOP14 packages: above 60 °C derate linearly with 5.5 mW/K. For DHVQFN14 packages: above 60 °C derate linearly with 4.5 mW/K. 8 Recommended operating conditions Table 5. Recommended operating conditions Symbol Parameter VCC supply voltage VI input voltage VO output voltage Conditions Tamb ambient temperature Δt/ΔV input transition rise and fall rate 74ALVC02 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 3 — 7 September 2017 © Nexperia B.V. 2017. All rights reserved. 4 / 14 74ALVC02 Nexperia Quad 2-input NOR gate 9 Static characteristics Table 6. Static characteristics At recommended operating conditions. Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Tamb = -40 °C to +85 °C Min VIH HIGH-level input voltage VIL LOW-level input voltage VOH HIGH-level output voltage VCC = 1.65 V to 1.95 V LOW-level output voltage Typ Unit Max 0.65 × VCC - - V VCC = 2.3 V to 2.7 V 1.7 - - V VCC = 2.7 V to 3.6 V 2.0 - - V VCC = 1.65 V to 1.95 V - - VCC = 2.3 V to 2.7 V - - 0.7 V VCC = 2.7 V to 3.6 V - - 0.8 V VCC - 0.2 - - V IO = -6 mA; VCC = 1.65 V 1.25 1.51 - V IO = -12 mA; VCC = 2.3 V 1.8 2.10 - V IO = -18 mA; VCC = 2.3 V 1.7 2.01 - V IO = -12 mA; VCC = 2.7 V 2.2 2.53 - V IO = -18 mA; VCC = 3.0 V 2.4 2.76 - V IO = -24 mA; VCC = 3.0 V 2.2 2.68 - V IO = 100 μA; VCC = 1.65 V to 3.6 V - - 0.2 V IO = 6 mA; VCC = 1.65 V - 0.11 0.3 V IO = 12 mA; VCC = 2.3 V - 0.17 0.4 V IO = 18 mA; VCC = 2.3 V - 0.25 0.6 V IO = 12 mA; VCC = 2.7 V - 0.16 0.4 V IO = 18 mA; VCC = 3.0 V - 0.23 0.4 V IO = 24 mA; VCC = 3.0 V - 0.30 0.55 V 0.35 × VCC V VI = VIH or VIL IO = -100 μA; VCC = 1.65 V to 3.6 V VOL [1] VI = VIH or VIL II input leakage current VCC = 3.6 V; VI = 3.6 V or GND - ±0.1 ±5 μA IOFF power-off leakage current VCC = 0 V; VI or VO = 0 V to 3.6 V - ±0.1 ±10 μA ICC supply current VCC = 3.6 V; VI = VCC or GND; IO = 0 A - 0.2 20 μA ΔICC additional supply current per input pin; VCC = 3.0 V to 3.6 V; VI = VCC - 0.6 V; IO = 0 A - 5 750 μA CI input capacitance - 3.5 - pF [1] All typical values are measured at VCC = 3.3 V (unless stated otherwise) and Tamb = 25 °C. 74ALVC02 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 3 — 7 September 2017 © Nexperia B.V. 2017. All rights reserved. 5 / 14 74ALVC02 Nexperia Quad 2-input NOR gate 10 Dynamic characteristics Table 7. Dynamic characteristics Voltages are referenced to GND (ground = 0 V). For test circuit, see Figure 8. Symbol Parameter Conditions Tamb = −40 °C to +85 °C Min tpd propagation delay [1] [2] [3] power dissipation capacitance [1] Max [2] nA, nB to nY; see Figure 7 VCC = 1.65 V to 1.95 V 1.0 2.8 4.7 ns VCC = 2.3 V to 2.7 V 1.0 2.0 3.1 ns VCC = 2.7 V 1.0 2.5 2.9 ns 1.0 2.2 2.8 ns - 32 - pF VCC = 3.0 V to 3.6 V CPD Typ Unit [3] per gate; VI = GND to VCC; VCC = 3.3 V Typical values are measured at Tamb = 25 °C. Typical values for VCC = 1.65 V to 1.95 V are measured at VCC = 1.8 V. Typical values for VCC = 2.3 V to 2.7 V are measured at VCC = 2.5 V. Typical values for VCC = 3.0 V to 3.6 V are measured at VCC = 3.3 V. tpd is the same as tPHL and tPLH. CPD is used to determine the dynamic power dissipation (PD in μW). 2 2 PD = CPD x VCC x fi x N + Σ(CL x VCC x fo) where: fi = input frequency in MHz fo = output frequency in MHz CL = output load capacitance in pF VCC = supply voltage in Volts N = number of inputs switching 2 Σ(CL x VCC x fo) = sum of the outputs 10.1 Waveforms and test circuit VI VM nA, nB input GND tPHL tPLH VOH VM nY output VOL mna213 Measurement points are given in Table 8. VOL and VOH are typical voltage output levels that occur with the output load. Figure 7. Input (nA, nB) to output (nY) propagation delays Table 8. Measurement points Supply voltage VCC Input VI VM 1.65 V to 1.95 V VCC 0.5 x VCC 2.3 V to 2.7 V VCC 0.5 x VCC 2.7 V 2.7 V 1.5 V 3.0 V to 3.6 V 2.7 V 1.5 V 74ALVC02 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 3 — 7 September 2017 © Nexperia B.V. 2017. All rights reserved. 6 / 14 74ALVC02 Nexperia Quad 2-input NOR gate VI negative pulse tW 90 % VM 0V VI positive pulse 0V VM 10 % tf tr tr tf 90 % VM VM 10 % tW VEXT VCC G VI RL VO DUT RT CL RL 001aae331 Test data is given in Table 9. Definitions test circuit: RT = Termination resistance should be equal to output impedance Zo of the pulse generator. CL = Load capacitance including jig and probe capacitance. RL = Load resistance. VEXT = Test voltage for switching times. Figure 8. Test circuit for measuring switching times Table 9. Test data Supply voltage Input VCC VI tr, tf CL RL tPLH, tPHL tPLZ, tPZL tPHZ, tPZH 1.65 V to 1.95 V VCC ≤ 2.0 ns 30 pF 1 kΩ open 2 × VCC GND 2.3 V to 2.7 V VCC ≤ 2.0 ns 30 pF 500 Ω open 2 × VCC GND 2.7 V 2.7 V ≤ 2.5 ns 50 pF 500 Ω open 6V GND 3.0 V to 3.6 V 2.7 V ≤ 2.5 ns 50 pF 500 Ω open 6V GND 74ALVC02 Product data sheet Load VEXT All information provided in this document is subject to legal disclaimers. Rev. 3 — 7 September 2017 © Nexperia B.V. 2017. All rights reserved. 7 / 14 74ALVC02 Nexperia Quad 2-input NOR gate 11 Package outline SO14: plastic small outline package; 14 leads; body width 3.9 mm SOT108-1 D E A X c y HE v M A Z 8 14 A2 Q A (A 3) A1 pin 1 index θ Lp 1 L 7 e detail X w M bp 0 2.5 5 mm scale DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT A max. A1 A2 A3 bp c D (1) E (1) e HE L Lp Q v w y Z (1) mm 1.75 0.25 0.10 1.45 1.25 0.25 0.49 0.36 0.25 0.19 8.75 8.55 4.0 3.8 1.27 6.2 5.8 1.05 1.0 0.4 0.7 0.6 0.25 0.25 0.1 0.7 0.3 inches 0.069 0.010 0.057 0.004 0.049 0.01 0.019 0.0100 0.35 0.014 0.0075 0.34 0.16 0.15 0.05 0.01 0.01 0.004 0.028 0.012 0.244 0.039 0.028 0.041 0.228 0.016 0.024 θ o 8 o 0 Note 1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included. REFERENCES OUTLINE VERSION IEC JEDEC SOT108-1 076E06 MS-012 JEITA EUROPEAN PROJECTION ISSUE DATE 99-12-27 03-02-19 Figure 9. Package outline SOT108-1 (SO14) 74ALVC02 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 3 — 7 September 2017 © Nexperia B.V. 2017. All rights reserved. 8 / 14 74ALVC02 Nexperia Quad 2-input NOR gate TSSOP14: plastic thin shrink small outline package; 14 leads; body width 4.4 mm D SOT402-1 E A X c y HE v M A Z 8 14 Q A2 pin 1 index (A 3 ) A1 A θ Lp 1 L 7 detail X w M bp e 0 2.5 5 mm scale DIMENSIONS (mm are the original dimensions) UNIT A max. A1 A2 A3 bp c D (1) E (2) e HE L Lp Q v w y Z (1) θ mm 1.1 0.15 0.05 0.95 0.80 0.25 0.30 0.19 0.2 0.1 5.1 4.9 4.5 4.3 0.65 6.6 6.2 1 0.75 0.50 0.4 0.3 0.2 0.13 0.1 0.72 0.38 8o 0o Notes 1. Plastic or metal protrusions of 0.15 mm maximum per side are not included. 2. Plastic interlead protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION SOT402-1 REFERENCES IEC JEDEC JEITA EUROPEAN PROJECTION ISSUE DATE 99-12-27 03-02-18 MO-153 Figure 10. Package outline SOT402-1 (TSSOP14) 74ALVC02 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 3 — 7 September 2017 © Nexperia B.V. 2017. All rights reserved. 9 / 14 74ALVC02 Nexperia Quad 2-input NOR gate DHVQFN14: plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads; 14 terminals; body 2.5 x 3 x 0.85 mm B D SOT762-1 A A A1 E c detail X terminal 1 index area terminal 1 index area C e1 e v w b 2 6 C A B C y y1 C L 1 7 Eh e 14 8 k 13 9 Dh X k 0 2 Dimensions (mm are the original dimensions) Unit mm max nom min A(1) 1 A1 b 0.05 0.30 0.02 0.25 0.00 0.18 4 mm scale c D(1) Dh E(1) Eh e e1 0.2 3.1 3.0 2.9 1.65 1.50 1.35 2.6 2.5 2.4 1.15 1.00 0.85 0.5 2 k L v 0.2 0.5 0.4 0.3 0.1 w y 0.05 0.05 y1 0.1 Note 1. Plastic or metal protrusions of 0.075 mm maximum per side are not included. Outline version SOT762-1 References IEC JEDEC JEITA sot762-1_po European projection Issue date 15-04-10 15-05-05 MO-241 Figure 11. Package outline SOT762-1 (DHVQFN14) 74ALVC02 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 3 — 7 September 2017 © Nexperia B.V. 2017. All rights reserved. 10 / 14 74ALVC02 Nexperia Quad 2-input NOR gate 12 Abbreviations Table 10. Abbreviations Acronym Description CMOS Complementary Metal-Oxide Semiconductor DUT Device Under Test ESD ElectroStatic Discharge HBM Human Body Model MM Machine Model TTL Transistor-Transistor Logic 13 Revision history Table 11. Revision history Document ID Release date Data sheet status Change notice Supersedes 74ALVC02 v.3 20170907 Product data sheet - 74ALVC02 v.2 Modifications: • The format of this data sheet has been redesigned to comply with the identity guidelines of Nexperia. • Legal texts have been adapted to the new company name where appropriate. 74ALVC02 v.2 20030714 Product specification - 74ALVC02 v.1 74ALVC02 v.1 20030205 Product specification - - 74ALVC02 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 3 — 7 September 2017 © Nexperia B.V. 2017. All rights reserved. 11 / 14 74ALVC02 Nexperia Quad 2-input NOR gate 14 Legal information 14.1 Data sheet status Document status [1][2] Product status [3] Definition Objective [short] data sheet Development This document contains data from the objective specification for product development. Preliminary [short] data sheet Qualification This document contains data from the preliminary specification. Product [short] data sheet Production This document contains the product specification. [1] [2] [3] Please consult the most recently issued document before initiating or completing a design. The term 'short data sheet' is explained in section "Definitions". The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status information is available on the Internet at URL http://www.nexperia.com. 14.2 Definitions Draft — The document is a draft version only. The content is still under internal review and subject to formal approval, which may result in modifications or additions. Nexperia does not give any representations or warranties as to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information. Short data sheet — A short data sheet is an extract from a full data sheet with the same product type number(s) and title. A short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. For detailed and full information see the relevant full data sheet, which is available on request via the local Nexperia sales office. In case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail. Product specification — The information and data provided in a Product data sheet shall define the specification of the product as agreed between Nexperia and its customer, unless Nexperia and customer have explicitly agreed otherwise in writing. In no event however, shall an agreement be valid in which the Nexperia product is deemed to offer functions and qualities beyond those described in the Product data sheet. 14.3 Disclaimers Limited warranty and liability — Information in this document is believed to be accurate and reliable. However, Nexperia does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. Nexperia takes no responsibility for the content in this document if provided by an information source outside of Nexperia. In no event shall Nexperia be liable for any indirect, incidental, punitive, special or consequential damages (including - without limitation lost profits, lost savings, business interruption, costs related to the removal or replacement of any products or rework charges) whether or not such damages are based on tort (including negligence), warranty, breach of contract or any other legal theory. Notwithstanding any damages that customer might incur for any reason whatsoever, Nexperia's aggregate and cumulative liability towards customer for the products described herein shall be limited in accordance with the Terms and conditions of commercial sale of Nexperia. Right to make changes — Nexperia reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof. Suitability for use — Nexperia products are not designed, authorized or warranted to be suitable for use in life support, life-critical or safety-critical 74ALVC02 Product data sheet systems or equipment, nor in applications where failure or malfunction of an Nexperia product can reasonably be expected to result in personal injury, death or severe property or environmental damage. Nexperia and its suppliers accept no liability for inclusion and/or use of Nexperia products in such equipment or applications and therefore such inclusion and/or use is at the customer’s own risk. Applications — Applications that are described herein for any of these products are for illustrative purposes only. Nexperia makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. Customers are responsible for the design and operation of their applications and products using Nexperia products, and Nexperia accepts no liability for any assistance with applications or customer product design. It is customer’s sole responsibility to determine whether the Nexperia product is suitable and fit for the customer’s applications and products planned, as well as for the planned application and use of customer’s third party customer(s). Customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products. Nexperia does not accept any liability related to any default, damage, costs or problem which is based on any weakness or default in the customer’s applications or products, or the application or use by customer’s third party customer(s). Customer is responsible for doing all necessary testing for the customer’s applications and products using Nexperia products in order to avoid a default of the applications and the products or of the application or use by customer’s third party customer(s). Nexperia does not accept any liability in this respect. Limiting values — Stress above one or more limiting values (as defined in the Absolute Maximum Ratings System of IEC 60134) will cause permanent damage to the device. Limiting values are stress ratings only and (proper) operation of the device at these or any other conditions above those given in the Recommended operating conditions section (if present) or the Characteristics sections of this document is not warranted. Constant or repeated exposure to limiting values will permanently and irreversibly affect the quality and reliability of the device. Terms and conditions of commercial sale — Nexperia products are sold subject to the general terms and conditions of commercial sale, as published at http://www.nexperia.com/profile/terms, unless otherwise agreed in a valid written individual agreement. In case an individual agreement is concluded only the terms and conditions of the respective agreement shall apply. Nexperia hereby expressly objects to applying the customer’s general terms and conditions with regard to the purchase of Nexperia products by customer. No offer to sell or license — Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights. Export control — This document as well as the item(s) described herein may be subject to export control regulations. Export might require a prior authorization from competent authorities. All information provided in this document is subject to legal disclaimers. Rev. 3 — 7 September 2017 © Nexperia B.V. 2017. All rights reserved. 12 / 14 74ALVC02 Nexperia Quad 2-input NOR gate Non-automotive qualified products — Unless this data sheet expressly states that this specific Nexperia product is automotive qualified, the product is not suitable for automotive use. It is neither qualified nor tested in accordance with automotive testing or application requirements. Nexperia accepts no liability for inclusion and/or use of non-automotive qualified products in automotive equipment or applications. In the event that customer uses the product for design-in and use in automotive applications to automotive specifications and standards, customer (a) shall use the product without Nexperia's warranty of the product for such automotive applications, use and specifications, and (b) whenever customer uses the product for automotive applications beyond Nexperia's specifications such use shall be solely at customer’s own risk, and (c) customer fully indemnifies Nexperia for any liability, damages or failed product claims resulting from customer 74ALVC02 Product data sheet design and use of the product for automotive applications beyond Nexperia's standard warranty and Nexperia's product specifications. Translations — A non-English (translated) version of a document is for reference only. The English version shall prevail in case of any discrepancy between the translated and English versions. 14.4 Trademarks Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. All information provided in this document is subject to legal disclaimers. Rev. 3 — 7 September 2017 © Nexperia B.V. 2017. All rights reserved. 13 / 14 74ALVC02 Nexperia Quad 2-input NOR gate Contents 1 2 3 4 5 5.1 5.2 6 7 8 9 10 10.1 11 12 13 14 General description ............................................ 1 Features and benefits .........................................1 Ordering information .......................................... 1 Functional diagram ............................................. 2 Pinning information ............................................ 2 Pinning ............................................................... 2 Pin description ................................................... 3 Functional description ........................................3 Limiting values .................................................... 4 Recommended operating conditions ................ 4 Static characteristics .......................................... 5 Dynamic characteristics .....................................6 Waveforms and test circuit ................................ 6 Package outline ...................................................8 Abbreviations .................................................... 11 Revision history ................................................ 11 Legal information .............................................. 12 Please be aware that important notices concerning this document and the product(s) described herein, have been included in section 'Legal information'. © Nexperia B.V. 2017. All rights reserved. For more information, please visit: http://www.nexperia.com For sales office addresses, please send an email to: salesaddresses@nexperia.com Date of release: 7 September 2017 Document identifier: 74ALVC02 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Nexperia: 74ALVC02BQ,115 74ALVC02D,112 74ALVC02D,118 74ALVC02PW,112 74ALVC02PW,118