74LV244DB,112

74LV244 Octal buffer/line driver; 3-state Rev. 5 — 24 September 2021 Product data sheet 1. General description The 74LV244 is an 8-bit buffer/line driver with 3-state outputs. The device can be used as two 4-bit buffers or one 8-bit buffer. The device features two output enables (1OE and 2OE), each controlling four of the 3-state outputs. A HIGH on nOE causes the outputs to assume a high-impedance OFF-state. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess VCC. 2. Features and benefits • • • • • • • • • • Wide supply voltage range from 1.0 to 5.5 V CMOS low power dissipation Latch-up performance exceeds 100 mA per JESD 78 Class II Level B Optimized for low voltage applications: 1.0 V to 3.6 V Accepts TTL input levels between VCC = 2.7 V and VCC = 3.6 V Typical VOLP (output ground bounce) < 0.8 V at VCC = 3.3 V; Tamb = 25 °C Typical VOHV (output VOH undershoot) > 2 V at VCC = 3.3 V; Tamb = 25 °C Complies with JEDEC standards: • JESD8-7 (1.65 V to 1.95 V) • JESD8-5 (2.3 V to 2.7 V) • JESD8C (2.7 V to 3.6 V) • JESD36 (4.5 V to 5.5 V) ESD protection: • HBM JESD22-A114F exceeds 2000 V • MM JESD22-A115-A exceeds 200 V Specified from -40 °C to +85 °C and from -40 °C to +125 °C 3. Ordering information Table 1. Ordering information Type number Package Temperature range Name Description Version 74LV244D -40 °C to +125 °C SO20 plastic small outline package; 20 leads; body width 7.5 mm SOT163-1 74LV244PW -40 °C to +125 °C TSSOP20 plastic thin shrink small outline package; 20 leads; body width 4.4 mm SOT360-1 74LV244 Nexperia Octal buffer/line driver; 3-state 4. Block diagram 2 4 6 8 1 17 15 13 11 19 1A0 1Y0 1A1 1Y1 1A2 1Y2 1A3 1Y3 18 16 14 12 1OE 2A0 2Y0 2A1 2Y1 2A2 2Y2 2A3 2Y3 3 5 7 9 2OE mna875 Fig. 1. Functional diagram 1 1A0 1A1 1A2 1A3 1OE 2 4 6 8 18 16 14 12 1 1Y0 2A0 1Y1 2A1 1Y2 2A2 1Y3 2A3 2OE 17 15 13 11 3 5 7 9 2Y0 2Y1 2 18 4 16 6 14 8 12 19 2Y2 2Y3 19 EN EN 11 9 13 7 15 5 17 3 mna874 Fig. 2. Logic symbol 74LV244 Product data sheet mna873 Fig. 3. IEC logic symbol All information provided in this document is subject to legal disclaimers. Rev. 5 — 24 September 2021 © Nexperia B.V. 2021. All rights reserved 2 / 13 74LV244 Nexperia Octal buffer/line driver; 3-state 5. Pinning information 5.1. Pinning 74LV244 1OE 1 1A0 2 20 VCC 19 2OE 2Y0 3 18 1Y0 1A1 4 17 2A0 2Y1 5 16 1Y1 1A2 6 15 2A1 2Y2 7 14 1Y2 1A3 8 13 2A2 2Y3 9 12 1Y3 GND 10 11 2A3 aaa-011660 Fig. 4. Pin configuration SOT163-1 (SO20) and SOT360-1 (TSSOP20) 5.2. Pin description Table 2. Pin description Symbol Pin Description 1OE, 2OE 1, 19 output enable input (active LOW) 1A0, 1A1, 1A2, 1A3 2, 4, 6, 8 data input 2Y0, 2Y1, 2Y2, 2Y3 3, 5, 7, 9 bus output GND 10 ground (0 V) 2A0, 2A1, 2A2, 2A3 17, 15, 13, 11 data input 1Y0, 1Y1, 1Y2, 1Y3 18, 16, 14, 12 bus output VCC 20 supply voltage 6. Functional description Table 3. Function table H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state. Output Input nOE nAn nYn L L L L H H H X Z 74LV244 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 5 — 24 September 2021 © Nexperia B.V. 2021. All rights reserved 3 / 13 74LV244 Nexperia Octal buffer/line driver; 3-state 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 supply voltage IIK input clamping current IOK IO ICC Min Max Unit -0.5 +7.0 V VI < -0.5 V or VI > VCC + 0.5 V - ±20 mA output clamping current VO < -0.5 V or VO > VCC + 0.5 V - ±50 mA output current -0.5 V < VO < VCC + 0.5 V - ±35 mA supply current - 70 mA IGND ground current -70 - mA Tstg storage temperature -65 +150 °C Ptot total power dissipation - 500 mW [1] Conditions Tamb = -40 °C to +125 °C [1] For SOT163-1 (SO20) package: Ptot derates linearly with 12.3 mW/K above 109 °C. For SOT360-1 (TSSOP20) package: Ptot derates linearly with 10.0 mW/K above 100 °C. 8. Recommended operating conditions Table 5. Recommended operating conditions Symbol Parameter Conditions Typ Max Unit 1.0 3.3 5.5 V VCC supply voltage VI input voltage 0 - VCC V VO output voltage 0 - VCC V Tamb ambient temperature -40 - +125 °C Δt/ΔV input transition rise and fall VCC = 1.0 V to 2.0 V rate VCC = 2.0 V to 2.7 V 0 - 500 ns/V 0 - 200 ns/V VCC = 2.7 V to 3.6 V 0 - 100 ns/V VCC = 3.6 V to 5.5 V 0 - 50 ns/V [1] [1] Min The LV is guaranteed to function down to VCC = 1.0 V (input levels GND or VCC). DC characteristics are guaranteed from VCC = 1.2 V to VCC = 5.5 V. 74LV244 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 5 — 24 September 2021 © Nexperia B.V. 2021. All rights reserved 4 / 13 74LV244 Nexperia Octal buffer/line driver; 3-state 9. Static characteristics Table 6. Static characteristics Over recommended operating conditions. Voltages are referenced to GND (ground = 0 V). Symbol Parameter VIH HIGH level input voltage VIL LOW level input voltage VOH HIGH level output voltage Conditions -40 °C to +85 °C -40 °C to +125 °C Unit Min Typ[1] Max Min Max VCC = 1.2 V 0.9 - - 0.9 V VCC = 2.0 V 1.4 - - 1.4 V VCC = 2.7 V to 3.6 V 2.0 - - 2.0 V VCC = 4.5 V to 5.5 V 0.7VCC - - 0.7VCC V VCC = 1.2 V - - 0.3 0.3 V VCC = 2.0 V - - 0.6 0.6 V VCC = 2.7 V to 3.6 V - - 0.8 0.8 V VCC = 4.5 V to 5.5 V - - 0.3VCC VCC = 1.2 V - 1.2 - - - V VCC = 2.0 V 1.8 2.0 - 1.8 - V VCC = 2.7 V 2.5 2.7 - 2.5 - V VCC = 3.0 V 2.8 3.0 - 2.8 - V VCC = 4.5 V 4.3 4.5 - 4.3 - V VCC = 3.0 V; IO = -8 mA 2.40 2.82 - 2.20 - V VCC = 4.5 V; IO = -16 mA 3.60 4.20 - 3.50 - V VCC = 1.2 V - 0 - - - V VCC = 2.0 V - 0 0.2 - 0.2 V VCC = 2.7 V - 0 0.2 - 0.2 V VCC = 3.0 V - 0 0.2 - 0.2 V VCC = 4.5 V - 0 0.2 - 0.2 V VCC = 3.0 V; IO = 8 mA - 0.25 0.40 - 0.50 V VCC = 4.5 V; IO = 16 mA - 0.35 0.55 - 0.65 V 0.3VCC V VI = VIH or VIL; IO = -100 μA VI = VIH or VIL VOL LOW level output voltage VI = VIH or VIL; IO = 100 μA II input leakage current VCC = 5.5 V; VI = VCC or GND - - 1.0 - 1.0 μA IOZ 3-State output OFF-state current VCC = 3.6 V; VI = VIH or VIL; VO = VCC or GND - - 5 - 10 μA ICC supply current VCC = 5.5 V; VI = VCC or GND; IO = 0 A - - 20 - 160 μA ΔICC additional supply current per input; VCC = 2.7 V to 3.6 V; VI = VCC - 0.6 V - - 500 - 850 μA CI input capacitance - 3.5 - - - pF [1] All typical values are measured at Tamb = 25 °C. 74LV244 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 5 — 24 September 2021 © Nexperia B.V. 2021. All rights reserved 5 / 13 74LV244 Nexperia Octal buffer/line driver; 3-state 10. Dynamic characteristics Table 7. Dynamic characteristics GND (ground = 0 V); for test circuit, see Fig. 7 Symbol Parameter tpd propagation delay ten enable time tdis disable time CPD [1] [2] [3] power dissipation capacitance Conditions -40 °C to +85 °C -40 °C to +125 °C Max Min Unit Min Typ[1] Max VCC = 1.2 V - 50 - - ns VCC = 2.0 V - 17 24 - 31 ns VCC = 2.7 V - 13 17 - 23 ns VCC = 3.0 V to 3.6 V - 9 14 - 18 ns VCC = 3.3 V; CL = 15 pF - 8 - - - ns VCC = 4.5 V to 5.5 V - - 12 - 15 ns VCC = 1.2 V - 65 - - - ns VCC = 2.0 V - 22 39 - 49 ns VCC = 2.7 V - 16 29 - 36 ns VCC = 3.0 V to 3.6 V - 12 23 - 29 ns VCC = 4.5 V to 5.5 V - - 19 - 24 ns VCC = 1.2 V - 60 - - ns VCC = 2.0 V - 22 34 - 43 ns VCC = 2.7 V - 17 24 - 32 ns VCC = 3.0 V to 3.6 V - 13 21 - 26 ns VCC = 4.5 V to 5.5 V - - 16 - 19 ns - 35 - - - ns 1An to 1Yn; 2An to 2Yn; see Fig. 5 [2] 1OE to 1Yn; 2OE to 2Yn; see Fig. 6 [2] 1OE to 1Yn; 2OE to 2Yn; see Fig. 6 [2] VI = GND to VCC; VCC = 3.3 V [3] Unless otherwise stated, all typical values are measured at Tamb = 25 °C and nominal VCC. tpd is the same as tPLH and tPHL. ten is the same as tPZL and tPZH. tdis is the same as tPLZ and tPHZ. 2 2 CPD is used to determine the dynamic power dissipation PD = CPD x VCC x fi + Σ (CL x VCC x fo) (PD in μW), where: fi = input frequency in MHz; fo = output frequency in MHz; 2 Σ (CL x VCC x fo) = sum of outputs; CL = output load capacitance in pF; VCC = supply voltage in V. 74LV244 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 5 — 24 September 2021 © Nexperia B.V. 2021. All rights reserved 6 / 13 74LV244 Nexperia Octal buffer/line driver; 3-state 10.1. Waveforms and test circuit VI nAn input VM VM GND tPLH tPHL VOH VM nYn output VM VOL mna171 Measurement points are given in Table 8. VOL and VOH are typical voltage output levels that occur with the output load. Fig. 5. Input (nAn) to output (nYn) propagation delays VI nOE input VM GND t PLZ nYn output LOW-to-OFF OFF-to-LOW t PZL VCC VM VX VOL t PZH t PHZ nYn output HIGH-to-OFF OFF-to-HIGH VOH VY VM GND outputs enabled outputs disabled outputs enabled 001aae014 Measurement points are given in Table 8. VOL and VOH are typical voltage output levels that occur with the output load. Fig. 6. 3-state enable and disable times Table 8. Measurement points Supply voltage Input Output VCC VM VM VX VY < 2.7 V 0.5VCC 0.5VCC VOL + 0.1VCC VOH - 0.1VCC 2.7 V to 3.6 V 1.5 V 1.5 V VOL + 0.3 V VOH - 0.3 V ≥ 4.5 V 0.5VCC 0.5VCC VOL + 0.1VCC VOH - 0.1VCC 74LV244 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 5 — 24 September 2021 © Nexperia B.V. 2021. All rights reserved 7 / 13 74LV244 Nexperia Octal buffer/line driver; 3-state tW VI 90 % negative pulse VM VM 10 % 0V VI tf tr tr tf 90 % positive pulse VM VM 10 % 0V 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. S1 = Test selection switch. Fig. 7. Test circuit for measuring switching times Table 9. Test data Supply voltage Input Load VEXT VCC VI tr, tf CL RL tPHL, tPLH tPZH, tPHZ tPZL, tPLZ < 2.7 V VCC ≤ 2.5 ns 50 pF 1 kΩ open GND 2VCC 2.7 V to 3.6 V 2.7 V ≤ 2.5 ns 15 pF, 50 pF 1 kΩ open GND 2VCC ≥ 4.5 V VCC ≤ 2.5 ns 50 pF 1 kΩ open GND 2VCC 74LV244 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 5 — 24 September 2021 © Nexperia B.V. 2021. All rights reserved 8 / 13 74LV244 Nexperia Octal buffer/line driver; 3-state 11. Package outline SO20: plastic small outline package; 20 leads; body width 7.5 mm SOT163-1 D E A X c y HE v M A Z 20 11 Q A2 A (A 3 ) A1 pin 1 index θ Lp L 1 10 e bp detail X w M 0 5 10 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 mm 2.65 0.3 0.1 2.45 2.25 0.25 0.49 0.36 0.32 0.23 13.0 12.6 7.6 7.4 1.27 10.65 10.00 1.4 1.1 0.4 1.1 1.0 0.25 0.25 0.1 0.9 0.4 inches 0.1 0.012 0.096 0.004 0.089 0.01 0.019 0.013 0.014 0.009 0.51 0.49 0.30 0.29 0.05 0.419 0.043 0.055 0.394 0.016 0.043 0.039 0.01 0.01 0.004 0.035 0.016 Z (1) θ o 8 o 0 Note 1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included. Fig. 8. REFERENCES OUTLINE VERSION IEC JEDEC SOT163-1 075E04 MS-013 JEITA EUROPEAN PROJECTION ISSUE DATE 99-12-27 03-02-19 Package outline SOT163-1 (SO20) 74LV244 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 5 — 24 September 2021 © Nexperia B.V. 2021. All rights reserved 9 / 13 74LV244 Nexperia Octal buffer/line driver; 3-state TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm D SOT360-1 E A X c HE y v M A Z 11 20 Q A2 pin 1 index (A 3 ) A1 A θ Lp 1 L 10 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 6.6 6.4 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 0.5 0.2 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 SOT360-1 Fig. 9. REFERENCES IEC JEDEC JEITA EUROPEAN PROJECTION ISSUE DATE 99-12-27 03-02-19 MO-153 Package outline SOT360-1 (TSSOP20) 74LV244 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 5 — 24 September 2021 © Nexperia B.V. 2021. All rights reserved 10 / 13 74LV244 Nexperia Octal buffer/line driver; 3-state 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 74LV244 v.5 20210924 Product data sheet - 74LV244 v.4 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. Section 1 and Section 2 updated. Section 7: Derating values for Ptot total power dissipation updated. Type number 74LV244DB (SOT339-1/SSOP20) removed. 74LV244 v.4 20160301 Modifications: • 74LV244 v.3 20140311 Modifications: • • Product data sheet - 74LV244 v.3 Type number 74LV244N (SOT146-1) removed. Product data sheet - 74LV244 v.2 The format of this data sheet has been redesigned to comply with the new identity guidelines of NXP Semiconductors. Legal texts have been adapted to the new company name where appropriate. 74LV244 v.2 19980520 Product specification - 74LV244 v.1 74LV244 v.1 - - - - 74LV244 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 5 — 24 September 2021 © Nexperia B.V. 2021. All rights reserved 11 / 13 74LV244 Nexperia Octal buffer/line driver; 3-state 14. Legal information 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. 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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. 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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 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. 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. 5 — 24 September 2021 © Nexperia B.V. 2021. All rights reserved 12 / 13 74LV244 Nexperia Octal buffer/line driver; 3-state Contents 1. General description...................................................... 1 2. Features and benefits.................................................. 1 3. Ordering information....................................................1 4. Block diagram...............................................................2 5. Pinning information......................................................3 5.1. Pinning.........................................................................3 5.2. Pin description............................................................. 3 6. Functional description................................................. 3 7. Limiting values............................................................. 4 8. Recommended operating conditions..........................4 9. Static characteristics....................................................5 10. Dynamic characteristics............................................ 6 10.1. Waveforms and test circuit........................................ 7 11. Package outline.......................................................... 9 12. Abbreviations............................................................ 11 13. Revision history........................................................11 14. Legal information......................................................12 © Nexperia B.V. 2021. 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: 24 September 2021 74LV244 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 5 — 24 September 2021 © Nexperia B.V. 2021. All rights reserved 13 / 13