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CD74HC688E датащи(PDF) 1 Page - Texas Instruments |
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CD74HC688E датащи(HTML) 1 Page - Texas Instruments |
1 / 7 page 1 Data sheet acquired from Harris Semiconductor SCHS196 Features • Cascadable • 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 CD74HC688 and CD74HCT688 are 8-bit magnitude comparators designed for use in computer and logic applications that require the comparison of two 8-bit binary words. When the compared words are equal the output (Y) is low and can be used as the enabling input for the next device in a cascaded application. Pinout CD74HC688, CD74HCT688 (PDIP, SOIC) TOP VIEW Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. NO. CD74HC688E -55 to 125 20 Ld PDIP E20.3 CD74HCT688E -55 to 125 20 Ld PDIP E20.3 CD74HC688M -55 to 125 20 Ld SOIC M20.3 CD74HCT688M -55 to 125 20 Ld SOIC M20.3 CD54HC688 -55 to 125 Wafer 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. 11 12 13 14 15 16 17 18 20 19 10 9 8 7 6 5 4 3 2 1 E A0 B0 A1 B1 A2 A3 B2 B3 GND VCC B7 A7 B6 Y A6 B5 A5 B4 A4 September 1997 CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. Copyright © Harris Corporation 1997 File Number 1646.1 CD74HC688, CD74HCT688 High Speed CMOS Logic 8-Bit Magnitude Comparator [ /Title (CD74 HC688 , CD74 HCT68 8) /Sub- ject (High Speed CMOS |
Аналогичный номер детали - CD74HC688E |
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Аналогичное описание - CD74HC688E |
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