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CD74HC373 Arkusz danych(PDF) 1 Page - Texas Instruments |
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CD74HC373 Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 5 page CD54HC373, CD74HC373 OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS SCLS452A – 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 Balanced Propagation Delays and Transition Times D Standard Outputs Drive up to 15 LS-TTL Loads D Significant Power Reduction Compared to LS-TTL Logic ICs description/ordering information The ’HC373 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 CD74HC373E CD74HC373E 55 °Cto125°C SOIC M Tube CD74HC373M HC373M –55 °C to 125°C SOIC – M Tape and reel CD74HC373M96 HC373M CDIP – F Tube CD54HC373F3A CD54HC373F3A † 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. CD54HC373 ...F PACKAGE CD74HC373 ...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 1Q 1D 2D 2Q 3Q 3D 4D 4Q GND VCC 8Q 8D 7D 7Q 6Q 6D 5D 5Q 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. |
Podobny numer części - CD74HC373 |
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Podobny opis - CD74HC373 |
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