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CD74HC74 Folha de dados(PDF) 1 Page - Texas Instruments |
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CD74HC74 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 8 page 1 Data sheet acquired from Harris Semiconductor SCHS124 Features • Hysteresis on Clock Inputs for Improved Noise Immu- nity and Increased Input Rise and Fall Times • Asynchronous Set and Reset • Complementary Outputs • Buffered Inputs • Typical fMAX = 50MHz 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 CD54HC74, CD74HC74 and CD74HCT74 utilize silicon gate CMOS technology to achieve operating speeds equivalent to LSTTL parts. They exhibit the low power consumption of standard CMOS integrated circuits, together with the ability to drive 10 LSTTL loads. This flip-flop has independent DATA, SET, RESET and CLOCK inputs and Q and Q outputs. The logic level present at the data input is transferred to the output during the positive-going transition of the clock pulse. SET and RESET are independent of the clock and are accomplished by a low level at the appropriate input. The 74HCT logic family is functionally as well as pin compatible with the standard 74LS logic family. Pinout CD54HC74, CD74HC74, CD74HCT74 (PDIP, SOIC, CERDIP) TOP VIEW Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. NO. CD54HC74F -55 to 125 14 Ld CERDIP F14.3 CD74HC74E -55 to 125 14 Ld PDIP E14.3 CD74HCT74E -55 to 125 14 Ld PDIP E14.3 CD74HC74M -55 to 125 14 Ld SOIC M14.15 CD74HCT74M -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 is available which meets all electrical specifications. Please contact your local sales office or Harris customer service for ordering information. 1R 1D 1CP 1S 1Q 1Q GND VCC 2R 2D 2CP 2S 2Q 2Q 1 2 3 4 5 6 7 14 13 12 11 10 9 8 CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. Copyright © Harris Corporation 1998 File Number 1476.1 CD54HC74, CD74HC74, CD74HCT74 Dual D Flip-Flop with Set and Reset Positive-Edge Trigger [ /Title (CD54H C74, CD74H C74, CD74H CT74) /Subject (Dual D Flip- Flop with Set January 1998 |
Nº de peça semelhante - CD74HC74 |
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Descrição semelhante - CD74HC74 |
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