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CD74HC27 Scheda tecnica(PDF) 1 Page - Texas Instruments |
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CD74HC27 Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 7 page 1 Data sheet acquired from Harris Semiconductor SCHS132 Features • Buffered Inputs • Typical Propagation Delay: 7ns at VCC = 5V, CL = 15pF, TA = 25 oC • 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 CD74HC27, CD74HCT27, logic gates utilize silicon gate CMOS technology to achieve operating speeds similar to LSTTL gates with the low power consumption of standard CMOS integrated circuits. All devices have the ability to drive 10 LSTTL loads. The 74HCT logic family is functionally pin compatible with the standard 74LS logic family. Pinout CD74HC27, CD74HCT27 (PDIP, SOIC) TOP VIEW Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. NO. CD74HC27E -55 to 125 14 Ld PDIP E14.3 CD74HCT27E -55 to 125 14 Ld PDIP E14.3 CD74HC27M -55 to 125 14 Ld SOIC M14.15 CD74HCT27M -55 to 125 14 Ld SOIC M14.15 NOTES: 1. When ordering, use the entire part number. Add the suffix 96 to obtain the variant in the tape and reel. 2. Die for this part number is available which meets all electrical specifications. Please contact your local sales office or Harris customer service for ordering information. 1A 1B 2A 2B 2C 2Y GND VCC 1C 1Y 3C 3B 3A 3Y 1 2 3 4 5 6 7 14 13 12 11 10 9 8 August 1997 CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. Copyright © Harris Corporation 1997 CD74HC27, CD74HCT27 High Speed CMOS Logic Triple 3-Input NOR Gate File Number 1648.1 [ /Title (CD74 HC27, CD74 HCT27 ) /Sub- ject (High Speed CMOS Logic |
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