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IDT74FCT139P Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDT74FCT139P Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 6 page 7.4 1 IDT54/74FCT139/A/C FAST CMOS DUAL 1-0F-4 DECODER WITH ENABLE MILITARY AND COMMERCIAL TEMPERATURE RANGES Integrated Device Technology, Inc. ® FEATURES: • IDT54/74FCT139 equivalent to FAST ™ speed • IDT54/74FCT139A 35% faster than FAST • IDT54/74FCT139C 45% faster than FAST • Equivalent to FAST output drive over full temperature and voltage supply extremes •IOL = 48mA (commercial) and 32mA (military) • CMOS power levels (1mW typ. static) • TTL input and output level compatible • CMOS output level compatible • Substantially lower input current levels than FAST (5 µA max.) • JEDEC standard pinout for DIP and LCC • Product available in Radiation Tolerant and Radiation Enhanced versions • Military product compliant to MIL-STD-883, Class B DESCRIPTION: The IDT54/74FCT139/A/C are dual 1-of-4 decoders built using an advanced dual metal CMOS technology. These devices have two independent decoders, each of which accept two binary weighted inputs (A0-A1) and provide four mutually exclusive active LOW outputs ( O0-O3). Each de- coder has an active LOW enable ( E). When E is HIGH, all outputs are forced HIGH. IDT54/74FCT139 IDT54/74FCT139A IDT54/74FCT139C FAST CMOS DUAL 1-OF-4 DECODER WITH ENABLE FUNCTIONAL BLOCK DIAGRAM 2605 cnv* 01 2605 cnv* 02 Ea A0a A1a O0a O1a O2a O3a Eb A0b A1b O0b O1b O2b O3b 2605 cnv* 03 PIN CONFIGURATIONS GND Ea Eb O3b VCC 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 P16-1 D16-1 SO16-1 & E16-1 INDEX A1a A1b 3 2 20 19 1 4 5 6 7 8 18 17 16 15 14 9 1011 1213 L20-2 A0a A1a O0a O1a O2a O3a A0b A1b O0b O1b O2b O0a NC O1a O2a A0b NC O0b O1b DIP/SOIC/CERPACK TOP VIEW LCC TOP VIEW MILITARY AND COMMERCIAL TEMPERATURE RANGES MAY 1992 ©1992 Integrated Device Technology, Inc. 7.4 DSC 4613/3 1 The IDT logo is a registered trademark of Integrated Device Technology, Inc. FAST is a trademark of National Semiconductor Co. |
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