MC74LCX139 ON Semiconductor, MC74LCX139 Datasheet
MC74LCX139
Available stocks
Related parts for MC74LCX139
MC74LCX139 Summary of contents
Page 1
... TTL compatible outputs offer improved switching noise performance specification of 5.5 V allows MC74LCX139 inputs safely driven from 5 V devices. The MC74LCX139 is suitable for memory address decoding and other TTL level bus oriented applications. The MC74LCX139 high−speed 2−to−4 decoder/demultiplexer accepts two binary weighted inputs (A0, A1) and, when enabled, provides four mutually exclusive active− ...
Page 2
... High Voltage Level Low Voltage Level High Impedance State MC74LCX139 X A1a Y0a A0a Y1a Y2a Y3a 3 12 Y0b 13 11 A1b Y1b A0b ...
Page 3
... Device MC74LCX138D MC74LCX138DR2 MC74LCX138DR2G MC74LCX138DT MC74LCX138DTR2 MC74LCX138M MC74LCX138MEL †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. *This package is inherently Pb−Free. MC74LCX139 Value −0.5 to +7.0 −0.5 V +7.0 I −0 0.5 Output in HIGH or LOW State ...
Page 4
... Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH−to−LOW (t guaranteed by design. CAPACITIVE CHARACTERISTICS Symbol Parameter C Input Capacitance IN C Output Capacitance OUT C Power Dissipation Capacitance PD MC74LCX139 Condition ) ...
Page 5
... CC Figure 5. Waveform 1 Prop Delays PULSE GENERATOR equivalent (Includes jig and probe capacitance 500 W or equivalent OUT MC74LCX139 50% GND Y Figure 6. Waveform 2 Output Enable V CC DUT pulse generator (typically 50 W) Figure 7. Test Circuit http://onsemi.com ...
Page 6
... REF 0.10 (0.004) 0.15 (0.006 L PIN 1 IDENT. 1 0.15 (0.006 −V− C 0.10 (0.004) SEATING −T− PLANE D MC74LCX139 PACKAGE DIMENSIONS SOIC−16 D SUFFIX CASE 751B−05 ISSUE J −B− 0.25 (0.010 TSSOP−16 DT SUFFIX CASE 948F− ...
Page 7
... VIEW 0.10 (0.004) 0.13 (0.005) M MC74LCX139 PACKAGE DIMENSIONS SOEIAJ−16 M SUFFIX CASE 966−01 ISSUE DETAIL P c http://onsemi.com 7 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS D AND E DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS AND ARE MEASURED AT THE PARTING LINE ...
Page 8
... USA/Canada Japan: ON Semiconductor, Japan Customer Focus Center 2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051 Phone: 81−3−5773−3850 http://onsemi.com 8 ON Semiconductor Website: http://onsemi.com Order Literature: http://www.onsemi.com/litorder For additional information, please contact your local Sales Representative. MC74LCX139/D ...