INTEGRATED CIRCUITS 74ALS151 8-input multiplexer Product specification IC05 Data Handbook 1991 Feb 08 Philips Semiconductors Product specification 8-input multiplexer 74ALS151 FEATURES PIN CONFIGURATION • 8-to-1 multiplexing • On chip decoding • Multi-function capability • Complementary outputs • See 74ALS251 for 3-State version I3 1 16 VCC I2 2 15 I4 I1 3 14 I5 I0 4 13 I6 Y 5 12 I7 Y 6 11 S0 E 7 10 S1 GND 8 9 S2 DESCRIPTION The 74ALS151 is a logic implementation of a single 8-position switch with the switch position controlled by the state of three select (S0, S1, S2) inputs. True (Y) and complementary (Y) outputs are both provided. SF00742 The enable (E) is active-Low. When E is High, Y output is Low and the Y output is High regardless of all other inputs. TYPE TYPICAL PROPAGATION DELAY TYPICAL SUPPLY CURRENT (TOTAL) 8.0ns 8.0mA 74ALS151 ORDERING INFORMATION ORDER CODE DESCRIPTION COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C DRAWING NUMBER 16-pin plastic DIP 74ALS151N SOT38-4 16-pin plastic SO 74ALS151D SOT109-1 INPUT AND OUTPUT LOADING AND FAN-OUT TABLE 74ALS (U.L.) HIGH/LOW LOAD VALUE HIGH/LOW Data inputs 1.0/1.0 20µA/0.1mA Select inputs 1.0/1.0 20µA/0.1mA Enable input (active-Low) 1.0/1.0 20µA/0.1mA Data outputs 130/240 2.6mA/24mA PINS DESCRIPTION I0 – I7 S0 – S2 E Y, Y NOTE: One (1.0) ALS unit load is defined as: 20µA in the High state and 0.1mA in the Low state. LOGIC SYMBOL IEC/IEEE SYMBOL 4 3 2 1 15 14 13 12 7 MUX EN 11 10 I0 11 S0 10 S1 9 S2 7 E I1 I2 I3 I4 I5 I6 I7 0 9 4 3 G 0 7 5 2 6 2 1 Y 15 Y 14 13 VCC = Pin 16 GND = Pin 8 1991 Feb 08 5 12 6 SF00743 SF00744 2 853–1022 01670 Philips Semiconductors Product specification 8-input multiplexer 74ALS151 LOGIC DIAGRAM I0 I1 4 S2 S1 S0 E I2 3 I3 2 I4 1 I5 15 I7 13 12 9 10 11 7 5 VCC = Pin 16 GND = Pin 8 Y 6 Y SF00741 FUNCTION TABLE INPUTS OUTPUTS S2 S1 S0 E X X X H L H L L L L I0 I0 L L H L I1 I1 L H L L I2 I2 L H H L I3 I3 H L L L I4 I4 H L H L I5 I5 H H L L I6 I6 Y Y H H H L I7 I7 H = High voltage level L = Low voltage level X = Don’t care 1991 Feb 08 I6 14 3 Philips Semiconductors Product specification 8-input multiplexer 74ALS151 ABSOLUTE MAXIMUM RATINGS (Operation beyond the limit set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the operating free-air temperature range.) PARAMETER SYMBOL RATING UNIT VCC Supply voltage –0.5 to +7.0 V VIN Input voltage –0.5 to +7.0 V IIN Input current –30 to +5 mA –0.5 to VCC V VOUT Voltage applied to output in High output state IOUT Current applied to output in Low output state Tamb Operating free-air temperature range Tstg Storage temperature range 48 mA 0 to +70 °C –65 to +150 °C RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER LIMITS UNIT MIN NOM MAX VCC Supply voltage 4.5 5.0 5.5 VIH High-level input voltage 2.0 VIL Low-level input voltage 0.8 V IIk Input clamp current –18 mA IOH High-level output current –2.6 mA IOL Low-level output current 24 mA +70 °C Tamb Operating free air temperature range V V 0 DC ELECTRICAL CHARACTERISTICS (Over recommended operating free-air temperature range unless otherwise noted.) SYMBOL LIMITS TEST CONDITIONS1 PARAMETER MIN VCC = ±10%,, VIL = MAX,, VIH = MIN VOH O High level output voltage High-level VOL O Low level output voltage Low-level VIK Input clamp voltage VCC = MIN, II = IIK II Input current at minimum input voltage IIH IOH = –0.4mA IOH = MAX TYP2 UNIT MAX VCC – 2 2.4 V 3.2 V IOL = 12mA 0.25 0.40 V IOL = 24mA 0.35 0.50 V –0.73 –1.5 V VCC = MAX, VI = 7.0V 0.1 mA High-level input current VCC = MAX, VI = 2.7V 20 µA IIL Low-level input current VCC = MAX, VI = 0.4V IO Output current3 VCC = MAX, VO = 2.25V ICC Supply current (total) VCC = MAX VCC = MIN,, VIL = MAX,, VIH = MIN –30 8.0 –0.1 mA –112 mA 12 mA NOTES: 1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type. 2. All typical values are at VCC = 5V, Tamb = 25°C. 3. The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS. 1991 Feb 08 4 Philips Semiconductors Product specification 8-input multiplexer 74ALS151 AC ELECTRICAL CHARACTERISTICS LIMITS SYMBOL PARAMETER Tamb = 0°C to +70°C VCC = +5.0V ± 10% CL = 50pF, RL = 500Ω TEST CONDITION MIN MAX UNIT tPLH tPHL Propagation delay In to Y Waveform 1 3.0 5.0 12.0 12.0 ns tPLH tPHL Propagation delay In to Y Waveform 2 3.0 5.0 15.0 15.0 ns tPLH tPHL Propagation delay Sn to Y Waveform 1, 2 5.0 7.0 15.0 16.0 ns tPLH tPHL Propagation delay Sn to Y Waveform 1, 2 5.0 5.0 15.0 16.0 ns tPLH tPHL Propagation delay E to Y Waveform 1 4.0 4.0 12.0 12.0 ns tPLH tPHL Propagation delay E to Y Waveform 1 4.0 5.0 12.0 14.0 ns AC WAVEFORMS For all waveforms, VM = 1.3V. VIN VIN VM tPHL VOUT VM VM tPLH tPLH VM VM VM tPHL VM VOUT VM SF00093 SF00092 Waveform 1. Propagation Delay for Inverting Output Waveform 2. Propagation Delay for Non-inverting Output TEST CIRCUIT AND WAVEFORMS VCC NEGATIVE PULSE VIN CL RL AMP (V) VM 10% D.U.T. RT 90% VM VOUT PULSE GENERATOR tw 90% 10% tTHL (tff) tTLH (tr ) tTLH (tr ) tTHL (tf ) 0.3V AMP (V) 90% Test Circuit for Totem-pole Outputs POSITIVE PULSE 90% VM VM 10% 10% tw 0.3V Input Pulse Definition DEFINITIONS: RL = Load resistor; see AC electrical characteristics for value. CL = Load capacitance includes jig and probe capacitance; see AC electrical characteristics for value. RT = Termination resistance should be equal to ZOUT of pulse generators. INPUT PULSE REQUIREMENTS Family Amplitude VM 74ALS 3.5V 1.3V Rep.Rate tw tTLH tTHL 1MHz 500ns 2.0ns 2.0ns SC00005 1991 Feb 08 5 Philips Semiconductors Product specification 8-input multiplexer 74ALS151 DIP16: plastic dual in-line package; 16 leads (300 mil) 1991 Feb 08 6 SOT38-4 Philips Semiconductors Product specification 8-input multiplexer 74ALS151 SO16: plastic small outline package; 16 leads; body width 3.9 mm 1991 Feb 08 7 SOT109-1 Philips Semiconductors Product specification 8-input multiplexer 74ALS151 DEFINITIONS Data Sheet Identification Product Status Definition Objective Specification Formative or in Design This data sheet contains the design target or goal specifications for product development. Specifications may change in any manner without notice. Preliminary Specification Preproduction Product This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips Semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. Product Specification Full Production This data sheet contains Final Specifications. Philips Semiconductors reserves the right to make changes at any time without notice, in order to improve design and supply the best possible product. Philips Semiconductors and Philips Electronics North America Corporation reserve the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless otherwise specified. Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. LIFE SUPPORT APPLICATIONS Philips Semiconductors and Philips Electronics North America Corporation Products are not designed for use in life support appliances, devices, or systems where malfunction of a Philips Semiconductors and Philips Electronics North America Corporation Product can reasonably be expected to result in a personal injury. Philips Semiconductors and Philips Electronics North America Corporation customers using or selling Philips Semiconductors and Philips Electronics North America Corporation Products for use in such applications do so at their own risk and agree to fully indemnify Philips Semiconductors and Philips Electronics North America Corporation for any damages resulting from such improper use or sale. Copyright Philips Electronics North America Corporation 1997 All rights reserved. Printed in U.S.A. Philips Semiconductors 811 East Arques Avenue P.O. Box 3409 Sunnyvale, California 94088–3409 Telephone 800-234-7381 1991 Feb 08 8