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SN74BCT29822DW 데이터시트(PDF) 1 Page - Texas Instruments |
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SN74BCT29822DW 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 4 page DW OR NT PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 OE 1D 2D 3D 4D 5D 6D 7D 8D 9D 10D GND VCC 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 9Q 10Q CLK SN74BCT29822 10BIT BUSINTERFACE FLIPFLOP WITH 3STATE OUTPUTS SCBS089B − FEBRUARY 1989 − REVISED NOVEMBER 1993 Copyright 1993, Texas Instruments Incorporated 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 • State-of-the-Art BiCMOS Design Significantly Reduces ICCZ • ESD Protection Exceeds 2000 V Per MIL-STD-883C, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) • 3-State Buffer-Type Outputs Drive Bus Lines Directly • Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic 300-mil DIPs (NT) description This 10-bit bus-interface flip-flop features 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. It is particularly suitable for implementing wider buffer registers, I/O ports, bidirectional bus drivers with parity, and working registers. The ten flip-flops are edge-triggered D-type flip-flops. On the positive transition of the clock, the Q outputs will be complementary to the data (D) inputs. A buffered output-enable (OE) input can be used to place the ten outputs in either a normal logic state (high or low) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines without need for interface or pullup components. The output enable (OE) does not affect the internal operation of the flip-flops. Old data can be retained or new data can be entered while the outputs are in the high-impedance state. The SN74BCT29822 is characterized for operation from 0 °C to 70°C. FUNCTION TABLE (each flip-flop) INPUTS OUTPUT OE CLK D OUTPUT Q L ↑ H L L ↑ LH L LX Q0 H X X Z 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. |
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