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| INTEGRATED CIRCUITS 74ALS38A Quad 2-Input NAND buffer (open collector) Product specification IC05 Data Handbook 1991 Feb 08 Philips Semiconductors Philips Semiconductors Product specification Quad 2-input NAND buffer (open collector) 74ALS38A TYPE 74ALS38A TYPICAL PROPAGATION DELAY 7.0ns TYPICAL SUPPLY CURRENT (TOTAL) 3.5mA PIN CONFIGURATION 1A 1B 1Y 1 2 3 4 5 6 7 14 VCC 13 4B 12 4A 11 4Y 10 3B 9 8 3A 3Y ORDERING INFORMATION ORDER CODE DESCRIPTION COMMERCIAL RANGE VCC = 5V 10%, Tamb = 0C to +70C 74ALS38AN 74ALS38AD DRAWING NUMBER 2A 2B 2Y GND 14-pin plastic DIP 14-pin plastic SO SOT27-1 SOT108-1 SC00001 INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS nA, nB nY Data inputs Data outputs DESCRIPTION 74ALS (U.L.) HIGH/LOW 1.0/1.0 20/80 LOAD VALUE HIGH/LOW 20A/0.1mA 0.4mA/8mA NOTE: One (1.0) ALS unit load is defined as: 20A in the High state and 0.1mA in the Low state. LOGIC SYMBOL IEC/IEEE SYMBOL 1 & 3 1 2 4 5 9 10 12 13 2 4 6 1A 1B 2A 2B 3A 3B 4A 4B 5 9 1Y 2Y 3Y 4Y 8 10 12 3 VCC = Pin 14 GND = Pin 7 6 8 11 11 13 SC00002 SC00034 LOGIC DIAGRAM 1A 1B 2A 2B 3A 3B 4A VCC = Pin 14 GND = Pin 7 4B 1 2 4 5 9 10 12 13 3 1Y FUNCTION TABLE INPUTS nA L L 8 3Y OUTPUT nB L H L H nY H H H L 6 2Y H H 11 4Y SC00035 H = High voltage level L = Low voltage level X = Don't care 1991 Feb 08 2 853-1305 01670 Philips Semiconductors Product specification Quad 2-input NAND buffer (open collector) 74ALS38A 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.) SYMBOL VCC VIN IIN VOUT IOUT Tamb Tstg Supply voltage Input voltage Input current Voltage applied to output in High output state Current applied to output in Low output state Operating free-air temperature range Storage temperature range PARAMETER RATING -0.5 to +7.0 -0.5 to +7.0 -30 to +5 -0.5 to VCC 48 0 to +70 -65 to +150 UNIT V V mA V mA C C RECOMMENDED OPERATING CONDITIONS LIMITS SYMBOL VCC VIH VIL IIk VOH IOL Tamb Supply voltage High-level input voltage Low-level input voltage Input clamp current High-level output voltage Low-level output current Operating free-air temperature range 0 PARAMETER MIN 4.5 2.0 0.8 -18 5.5 24 +70 NOM 5.0 MAX 5.5 V V V mA V mA C UNIT DC ELECTRICAL CHARACTERISTICS (Over recommended operating free-air temperature range unless otherwise noted.) SYMBOL IOH VO OL VIK II IIH IIL ICC PARAMETER High-level output current Low-level Low level output voltage Input clamp voltage Input current at maximum input voltage High-level input current Low-level input current Supply current (total) ICCH ICCL TEST CONDITIONS1 MIN VCC = MIN, VIL = MAX, VIH = MIN, VOH = MAX VCC = MIN, VIL = MAX, , , VIH = MIN VCC = MIN, II = IIK VCC = MAX, VI = 7.0V VCC = MAX, VI = 2.7V VCC = MAX, VI = 0.5V VCC = MAX VI = GND VI = 4.5V 0.65 6.5 IOL = 12mA IOL = 24mA 0.25 0.35 -0.73 LIMITS TYP2 UNIT MAX 100 0.40 0.50 -1.5 0.1 20 -0.1 1.6 9.0 A V V V mA A mA mA 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 = 25C. 1991 Feb 08 3 Philips Semiconductors Product specification Quad 2-input NAND buffer (open collector) 74ALS38A AC ELECTRICAL CHARACTERISTICS LIMITS SYMBOL PARAMETER TEST CONDITION Tamb = 0C to +70C VCC = +5.0V 10% CL = 50pF, RL = 500 MIN tPLH tPHL Propagation delay nA or nB to nY Waveform 1 3.0 3.0 MAX 11.0 11.0 ns UNIT AC WAVEFORMS For all waveforms, VM = 1.3V. nA, nB VM tPHL VM tPLH VM VM nY SC00004 Waveform 1. Propagation Delay for Data to Output TEST CIRCUIT AND WAVEFORMS VCC 7.0V 90% NEGATIVE PULSE VIN PULSE GENERATOR RT D.U.T. VOUT RL VM 10% tTHL (tff) CL RL tw VM 10% tTLH (tr ) 0.3V 90% AMP (V) tTLH (tr ) 90% POSITIVE PULSE VM 10% tw tTHL (tf ) AMP (V) 90% VM 10% 0.3V Test Circuit for Open Collector Outputs 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 Definition INPUT PULSE REQUIREMENTS Family Amplitude VM 74ALS 3.5V 1.3V Rep.Rate 1MHz tw 500ns tTLH 2.0ns tTHL 2.0ns SC00036 1991 Feb 08 4 Philips Semiconductors Product specification Quad 2-input NAND buffer (open collector) 74ALS38A DIP14: plastic dual in-line package; 14 leads (300 mil) SOT27-1 1991 Feb 08 5 Philips Semiconductors Product specification Quad 2-input NAND buffer (open collector) 74ALS38A SO14: plastic small outline package; 14 leads; body width 3.9 mm SOT108-1 1991 Feb 08 6 Philips Semiconductors Product specification Quad 2-input NAND buffer (open collector) 74ALS38A DEFINITIONS Data Sheet Identification Objective Specification Product Status Formative or in Design Definition This data sheet contains the design target or goal specifications for product development. Specifications may change in any manner without notice. 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. 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. Preliminary Specification Preproduction Product Product Specification Full Production 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. Philips Semiconductors 811 East Arques Avenue P.O. Box 3409 Sunnyvale, California 94088-3409 Telephone 800-234-7381 (c) Copyright Philips Electronics North America Corporation 1997 All rights reserved. Printed in U.S.A. Philips Semiconductors 1991 Feb 08 7 |
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