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74ACT11874DW Folha de dados(PDF) 1 Page - Texas Instruments |
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74ACT11874DW Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 7 page 74ACT11874 DUAL 4BIT DTYPE EDGETRIGGERED FLIPFLOPS WITH 3STATE OUTPUTS SCAS212 − D3447, MARCH 1990 − REVISED APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 Copyright 1993, Texas Instruments Incorporated 2−1 • Inputs Are TTL-Voltage Compatible • 3-State Buffer-Type Outputs Drive Bus Lines Directly • Bus-Structured Pinout • Asynchronous Clear • Flow-Through Architecture Optimizes PCB Layout • Center-Pin V CC and GND Configurations Minimize High-Speed Switching Noise • EPICt (Enhanced-Performance Implanted CMOS) 1- mm Process • 500-mA Typical Latch-Up Immunity at 125 °C description The 74ACT11874 contains dual 4-bit registers featuring 3-state outputs designed specifically for bus driving. This makes this device particularly suitable for implementing buffer registers, I/O ports, and working registers. The D-type edge-triggered flip-flops enter data on the low-to-high transition of the clock. The 74ACT11874 has CLR inputs and noninverting outputs. Taking CLR low causes the four Q outputs to go low independently of the clock. The 74ACT11874 is characterized for operation from − 40 °C to 85°C. FUNCTION TABLE (each flip-flop) INPUTS OUTPUT OE CLR CLK D OUTPUT Q L L X X L L H ↑ HH L H ↑ LL L HL X Q0 H X X X Z DW PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1CLK 1Q1 1Q2 1Q3 1Q4 GND GND GND GND 2Q1 2Q2 2Q3 2Q4 2CLK 1OE 1CLR 1D1 1D2 1D3 1D4 VCC VCC 2D1 2D2 2D3 2D4 2CLR 2OE EPIC is a trademark of Texas Instruments Incorporated. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Nº de peça semelhante - 74ACT11874DW |
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Descrição semelhante - 74ACT11874DW |
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