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CD54ACT138F3A Datasheet(PDF) 1 Page - Texas Instruments |
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CD54ACT138F3A Datasheet(HTML) 1 Page - Texas Instruments |
1 / 7 page 1 Data sheet acquired from Harris Semiconductor SCHS234A Features • ’AC138, ’ACT138. . . . . . . . . . . . . . . . . . . . . . . . Inverting • CD74AC238, CD74ACT238 . . . . . . . . . . . Non-Inverting • Buffered Inputs • Typical Propagation Delay - 5ns 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 Pinout CD54AC138, CD54ACT138 (CERDIP) CD74AC138, CD74ACT138, CD74AC238, CD74ACT238 (PDIP, SOIC) TOP VIEW Description The ’AC138, ’ACT138, CD74AC238, and CD74ACT238 are 3-to-8-line decoders/demultiplexers that utilize Advanced CMOS Logic technology. Both circuits have three binary select inputs (A0, A1, and A2). If the device is enabled, these inputs determine which one of the eight normally HIGH out- puts of the AC/ACT138 will go LOW or which on of the nor- mally LOW outputs of the AC/ACT238 will go HIGH. Two active LOW and one active HIGH enables (E1, E2 and E3) are provided to simplify the cascading of these devices. 14 15 16 9 13 12 11 10 1 2 3 4 5 7 6 8 A0 A1 A2 E1 E2 E3 GND AC/ACT138 Y7 VCC Y1 AC/ACT138 Y2 AC/ACT138 Y3 AC/ACT138 Y4 AC/ACT138 Y5 AC/ACT138 Y6 AC/ACT138 Y0 AC/ACT138 AC/ACT238 Y7 Y0 AC/ACT238 Y1 AC/ACT238 Y2 AC/ACT238 Y3 AC/ACT238 Y4 AC/ACT238 Y5 AC/ACT238 Y6 AC/ACT238 Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE CD54AC138F3A -55 to 125 16 Ld CERDIP CD74AC138E 0 to 70oC, -40 to 85, -55 to 125 16 Ld PDIP CD74AC138M 0 to 70oC, -40 to 85, -55 to 125 16 Ld SOIC CD54ACT138F3A -55 to 125 16 Ld CERDIP CD74ACT138E 0 to 70oC, -40 to 85, -55 to 125 16 Ld PDIP CD74ACT138M 0 to 70oC, -40 to 85, -55 to 125 16 Ld SOIC CD74AC238E 0 to 70oC, -40 to 85, -55 to 125 16 Ld PDIP CD74AC238M 0 to 70oC, -40 to 85, -55 to 125 16 Ld SOIC CD74ACT238E 0 to 70oC, -40 to 85, -55 to 125 16 Ld PDIP CD74ACT238M 0 to 70oC, -40 to 85, -55 to 125 16 Ld SOIC 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 TI sales office or cus- tomer service for ordering information. September 1998 - Revised May 2000 CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. FAST™ is a Trademark of Fairchild Semiconductor. Copyright © 2000, Texas Instruments Incorporated. CD54/74AC138, CD54/74ACT138, CD74AC238, CD74ACT238 3-to-8-Line Decoders/Demultiplexers [ /Title (CD74 AC138 , CD74 ACT13 8, CD74 AC238 , CD74 ACT23 8) /Sub- ject (3- to-8- Line Decod- ers/De multi- plex- ers) /Autho r () /Key- words (Har- ris Semi- con- ductor, Advan ced |
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