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CD74ACT139 датащи(PDF) 1 Page - Texas Instruments |
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CD74ACT139 датащи(HTML) 1 Page - Texas Instruments |
1 / 7 page 1 Data sheet acquired from Harris Semiconductor SCHS235 Features • Buffered Inputs • Typical Propagation Delay - 5.4ns at VCC = 5V, TA = 25 oC, C L = 50pF • Exceeds 2kV ESD Protection MIL-STD-883, Method 3015 • SCR-Latchup-Resistant CMOS Process and Circuit Design • Speed of Bipolar FAST™/AS/S with Significantly Reduced Power Consumption • Balanced Propagation Delays • AC Types Feature 1.5V to 5.5V Operation and Balanced Noise Immunity at 30% of the Supply • ±24mA Output Drive Current - Fanout to 15 FAST™ ICs - Drives 50 Ω Transmission Lines Description The CD74AC139 and CD74ACT139 are dual 2-to-4-line decoders/demultiplexers that utilize the Harris Advanced CMOS Logic technology. These devices contain two inde- pendent binary to one-of-four decoders, each with a single active LOW enable input (1E or 2E). Data on the select inputs (1A0 and 1A1 or 2A0 and 2A1) cause one of the four normally HIGH outputs to go LOW. If the enable input is HIGH, all four outputs remain HIGH. For demultiplexer operation, the enable input is the data input. The enable input also functions as a chip select when these devices are cascaded. Pinout CD74AC139, CD74ACT139 (PDIP, SOIC) TOP VIEW Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. NO. CD74AC139E 0 to 70oC, -40 to 85, -55 to 125 16 Ld PDIP E16.3 CD74ACT139E 0 to 70oC, -40 to 85, -55 to 125 16 Ld PDIP E16.3 CD74AC139M96 0 to 70oC, -40 to 85, -55 to 125 16 Ld SOIC M16.15 CD74ACT139M 0 to 70oC, -40 to 85, -55 to 125 16 Ld SOIC M16.15 NOTES: 1. When ordering, use the entire part number. Add the suffix 96 to obtain the variant in the tape and reel. 2. Wafer and die for this part number is available which meets all elec- trical specifications. Please contact your local sales office or Harris customer service for ordering information. 14 15 16 9 13 12 11 10 1 2 3 4 5 7 6 8 1E 1A0 1A1 1Y0 1Y1 1Y2 GND 1Y3 VCC 2A0 2A1 2Y0 2Y1 2Y2 2Y3 2E September 1998 CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. FAST™ is a Trademark of Fairchild Semiconductor. Copyright © Harris Corporation 1998 CD74AC139, CD74ACT139 Dual 2-to-4-Line Decoder/Demultiplexer File Number 1953.1 [ /Title (CD74 AC139 , CD74 ACT13 9) /Sub- ject (Dual 2-to-4- Line Decod er/Dem ulti- plexer) /Autho r () /Key- words (Har- ris Semi- con- ductor, Advan ced CMOS ) /Cre- ator () /DOCI NFO |
Аналогичный номер детали - CD74ACT139 |
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Аналогичное описание - CD74ACT139 |
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