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CD74HCT574 数据表(PDF) 1 Page - Texas Instruments |
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CD74HCT574 数据表(HTML) 1 Page - Texas Instruments |
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1 / 9 page  1 Data sheet acquired from Harris Semiconductor SCHS183 Features • Buffered Inputs • Common Three-State Output Enable Control • Three-State Outputs • Bus Line Driving Capability • Typical Propagation Delay (Clock to Q) = 15ns 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 CD74HC374, CD74HCT374, CD74HC574 and CD74HCT574 are Octal D-Type Flip-Flops with Three-State Outputs and the capability to drive 15 LSTTL loads. The eight edge-triggered flip-flops enter data into their registers on the LOW to HIGH transition of clock (CP). The Output Enable (OE) controls the three-state outputs and is independent of the register operation. When Output Enable (OE) is HIGH the outputs will be in the high impedance state. The 374 and 574 are identical in function and differ only in their pinout arrangements. Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. NO. CD74HC374E -55 to 125 20 Ld PDIP E20.3 CD74HCT374E -55 to 125 20 Ld PDIP E20.3 CD74HCT574E -55 to 125 20 Ld PDIP E20.3 CD74HC574E -55 to 125 20 Ld PDIP E20.3 CD74HC574M -55 to 125 20 Ld SOIC M20.3 CD74HC374M -55 to 125 20 Ld SOIC M20.3 CD74HCT374M -55 to 125 20 Ld SOIC M20.3 CD74HCT574M -55 to 125 20 Ld SOIC M20.3 NOTES: 1. When ordering, use the entire part number. Add the suffix 96 to obtain the variant in the tape and reel. 2. Wafer and 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. Pinouts CD74HC374, CD74HCT374 (PDIP, SOIC) TOP VIEW CD74HCT574 (PDIP, SOIC) TOP VIEW 11 12 13 14 15 16 17 18 20 19 10 9 8 7 6 5 4 3 2 1 OE Q0 D0 D1 Q1 Q2 D3 D2 Q3 GND VCC D7 D6 Q6 Q7 Q5 D5 D4 Q4 CP 11 12 13 14 15 16 17 18 20 19 10 9 8 7 6 5 4 3 2 1 OE D0 D1 D2 D3 D4 D6 D5 D7 GND VCC Q1 Q2 Q3 Q0 Q4 Q5 Q6 Q7 CP February 1998 CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. Copyright © Harris Corporation 1998 File Number 1663.1 CD74HC374, CD74HCT374, CD74HC574, CD74HCT574 High Speed CMOS Logic Octal D-Type Flip-Flop, Three-State Positive-Edge Triggered [ /Title (CD74 HC374 , CD74 HCT37 4, CD74 HC574 , CD74 HCT57 |
类似零件编号 - CD74HCT574 |
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类似说明 - CD74HCT574 |
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