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CD74HCT154E Datasheet(PDF) 1 Page - Texas Instruments |
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CD74HCT154E Datasheet(HTML) 1 Page - Texas Instruments |
1 / 6 page 1 Data sheet acquired from Harris Semiconductor SCHS152 Features • Two Enable Inputs to Facilitate Demultiplexing and Cascading Functions • Fanout (Over Temperature Range) - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads • Wide Operating Temperature Range . . . -55oC to 125oC • Balanced Propagation Delay and Transition Times • Significant Power Reduction Compared to LSTTL Logic ICs • HC Types - 2V to 6V Operation - High Noise Immunity: NIL = 30%, NIH = 30%of VCC at VCC = 5V • HCT Types - 4.5V to 5.5V Operation - Direct LSTTL Input Logic Compatibility, VIL= 0.8V (Max), VIH = 2V (Min) - CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH Description The Harris CD74HC154 and CD74HCT154 are 4-to-16 line decoders/demultiplexers with two enable inputs, E1 and E2. A High on either enable input forces the output into the High state. The demultiplexing function is performed by using the four input lines, A0 to A3, to select the output lines Y0 to Y15, and using one enable as the data input while holding the other enable low. Pinout CD74HC154, CD74HCT154 (PDIP, SOIC) TOP VIEW Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. NO. CD74HC154E -55 to 125 24 Ld PDIP E24.6 CD74HCT154E -55 to 125 24 Ld PDIP E24.6 CD74HC154EN -55 to 125 24 Ld PDIP E24.3 CD74HC154EN -55 to 125 24 Ld PDIP E24.3 CD74HC154M -55 to 125 24 Ld SOIC M24.3 CD74HCT154M -55 to 125 24 Ld SOIC M24.3 NOTES: 1. When ordering, use the entire part number. Add the suffix 96 to obtain the variant in the tape and reel. 2. Wafer or d ie for this part number is available which meets all electrical specifications. Please contact your local sales office or Harris customer service for ordering information. 1 2 3 4 5 6 7 8 9 10 11 12 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 Y10 GND 16 17 18 19 20 21 22 23 24 15 14 13 VCC A1 A2 A3 E2 Y15 Y13 Y12 Y11 A0 E1 Y14 September 1997 CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. Copyright © Harris Corporation 1997 CD74HC154, CD74HCT154 High Speed CMOS Logic 4-to-16 Line Decoder/Demultiplexer File Number 1657.1 [ /Title (CD74 HC154 , CD74 HCT15 4) /Sub- ject (High Speed CMOS Logic 4-to-16 Line Decod er/Dem |
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