HD74LVC139 Dual 2-to-4-line Decoders / Demultiplexers ADE-205-069B(Z) Rev.2 September 1995 Description The HD74LVC139 has two independent two-to-four-line decoders each with a single active low enable input in a 16 pin package. Data on the select inputs cause one of the four normally high outputs to go low. Low voltage and high speed operation is suitable at the battery drive product (note type personal computer) and low power consumption extends the life of a battery for long time operation. Features • • • • • VCC = 2.0 V to 5.5 V All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V) Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C) Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C) High output current ±24 mA (@VCC = 3.0 V to 5.5 V) Function Table Input Enable Select G B A Y0 Y1 Y2 Y3 H X X H H H H L L L L H H H L L H H L H H L H L H H L H L H H H H H L H: L: X: High level Low level Immaterial Outputs HD74LVC139 Pin Arrangement 16 VCC 1G 1 1A 2 A 1B 3 G G 15 2G B A 14 2A 1Y0 4 Y0 B 13 2B 1Y1 5 Y1 Y0 12 2Y0 1Y2 6 Y2 Y1 11 2Y1 1Y3 7 Y3 Y2 Y3 10 2Y2 9 2Y3 GND 8 (Top view) Absolute Maximum Ratings Item Symbol Ratings Unit Supply voltage VCC –0.5 to 6.0 V Input diode current I IK –50 mA Input voltage VI –0.5 to 6.0 V Output diode current I OK –50 mA VO = –0.5 V 50 mA VO = VCC +0.5 V Output voltage VO –0.5 to VCC +0.5 V Output current IO ±50 mA VCC, GND current / pin I CC or IGND 100 mA Storage temperature Tstg –65 to 150 °C Conditions VI = –0.5 V Note: The absolute maximum ratings are values which must not individually be exceeded, and furthermore, no two of which may be realized at the same time. 2 HD74LVC139 Recommended Operating Conditions Item Symbol Ratings Unit Conditions Supply voltage VCC 1.5 to 5.5 V Data retention 2.0 to 5.5 V At operation VI 0 to 5.5 V G, A, B VO 0 to V CC V Y0 to Y 3 Operating temperature Ta –40 to 85 °C Output current I OH –12 mA VCC = 2.7 V mA VCC = 3.0 V to 5.5 V mA VCC = 2.7 V mA VCC = 3.0 V to 5.5 V Input / output voltage –24 I OL 12 24 Input rise / fall time *1 t r , tf *2 *2 10 ns/V Notes: 1. This item guarantees maximum limit when one input switches. Waveform : Refer to test circuit of switching characteristics. 2. duty cycle ≤ 50% Electrical Characteristics Ta = –40 to 85°C Item Symbol VCC (V) Min Max Unit Test Conditions Input voltage VIH 2.7 to 3.6 2.0 — V 4.5 to 5.5 VCC×0.7 — V 2.7 to 3.6 — 0.8 V 4.5 to 5.5 — VCC×0.3 V 2.7 to 5.5 VCC –0.2 — V I OH = –100 µA 2.7 2.2 — V I OH = –12 mA 3.0 2.4 — V 3.0 2.0 — V 4.5 3.8 — V 2.7 to 5.5 — 0.2 V I OL = 100 µA 2.7 — 0.4 V I OL = 12 mA 3.0 — 0.55 V I OL = 24 mA 4.5 — 0.55 V 0 to 5.5 — ±5.0 µA VIN = 5.5 V or GND 5.5 — 20 µA VIN = VCC or GND 3.0 to 3.6 — 500 µA VIN = one input at (VCC –0.6)V, other inputs at V CC or GND VIL Output voltage VOH VOL Input current I IN Quiescent supply current I CC ∆I CC I OH = –24 mA 3 HD74LVC139 Switching Characteristics Ta = –40 to 85°C Item Symbol VCC (V) Min Typ Max Unit From (Input) To (Output) Propagation delay time t PLH 2.7 — 7.0 10.0 ns G, A, B t PHL 3.3±0.3 1.5 5.0 9.0 ns 5.0±0.5 — 3.5 7.5 ns Input capacitance CIN 2.7 — 3.0 — pF Output capacitance CO 2.7 — 15.0 — pF Y0 to Y 3 Test Circuit VCC VCC Input Pulse Generator Zout = 50 Ω See Function Table A CL = 50 pF B G Note: 4 1. Output Y 0 to Y 3 CL includes probe and jig capacitance. 450 Ω 50 Ω Scope HD74LVC139 Waveforms tr tf 90 % Input VIH 90 % Vref Vref 10 % 10 % t PLH GND t PHL VOH In phase output Vref Vref VOL t PHL t PLH VOH Out of phase output Vref Vref VOL Symbol VIH Vref Notes: 1. 2. VCC = 2.7 V, 3.3±0.3 V VCC = 5.0±0.5 V 2.7 V VCC 1.5 V 50%VCC t r = 2.5 ns, tf = 2.5 ns Input waveform : PRR = 10 MHz, duty cycle 50% 5 Unit: mm 4.40 5.00 5.30 Max 16 9 1 8 0.65 0.13 M 1.10 Max 0.65 Max 0.10 *Dimension including the plating thickness Base material dimension 6.40 ± 0.20 0.07 +0.03 –0.04 0.20 ± 0.06 1.0 *0.17 ± 0.05 0.15 ± 0.04 0.08 *0.22 +– 0.07 0° – 8° 0.50 ± 0.10 Hitachi Code JEDEC EIAJ Weight (reference value) TTP-16DA — — 0.05 g Cautions 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual property rights, in connection with use of the information contained in this document. 2. Products and product specifications may be subject to change without notice. Confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However, contact Hitachi’s sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. 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