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CD74HC573M96 Datasheet(PDF) 1 Page - Texas Instruments |
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CD74HC573M96 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 15 page CD54HC573, CD74HC573 OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS SCLS454A – FEBRUARY 2001 – REVISED APRIL 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 2-V to 6-V VCC Operation D Wide Operating Temperature Range of –55 °C to 125°C D 3-State Outputs Directly Drive Bus Lines D Balanced Propagation Delays and Transition Times D Bus Driver Outputs Drive Up To 15 LS-TTL Loads D Significant Power Reduction Compared to LS-TTL Logic ICs description/ordering information The ’HC573 devices are octal transparent D-type latches designed for 2-V to 6-V VCC operation. When the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is low, the Q outputs are latched at the logic levels of the D inputs. A buffered output-enable (OE) input can be used to place the eight outputs in either a normal logic state (high or low) or the 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 interface or pullup components. OE does not affect the internal operations of the latches. Old data can be retained or new data can be entered while the outputs are in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP – E Tube CD74HC573E CD74HC573E 55 °Cto125°C SOIC M Tube CD74HC573M HC573M –55 °C to 125°C SOIC – M Tape and reel CD74HC573M96 HC573M CDIP – F Tube CD54HC573F3A CD54HC573F3A † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2003, 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. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. CD54HC573 ...F PACKAGE CD74HC573 ...E OR M PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 OE 1D 2D 3D 4D 5D 6D 7D 8D GND VCC 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q LE On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters. |
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