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SN74ACT533PW Scheda tecnica(PDF) 1 Page - Texas Instruments |
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SN74ACT533PW Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 6 page SN54ACT533, SN74ACT533 OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS SCAS553B – NOVEMBER 1995 – REVISED JANUARY 2000 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Inputs Are TTL-Voltage Compatible D 3-State Inverting Outputs Drive Bus Lines Directly D EPIC™ (Enhanced-Performance Implanted CMOS) 1- µm Process D Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages, Ceramic Chip Carriers (FK) and Flatpacks (W), and Standard Plastic (N) and Ceramic (J) DIPs description The ’ACT533 devices are octal transparent D-type latches with 3-state outputs. When the latch-enable (LE) input is high, the Q outputs follow the complements of the data (D) inputs. When LE is taken low, the Q outputs are latched at the inverted levels set up at 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 logic levels) 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 need for 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. The SN54ACT533 is characterized for operation over the full military temperature range of –55 °C to 125°C. The SN74ACT533 is characterized for operation from –40 °C to 85°C. FUNCTION TABLE (each latch) INPUTS OUTPUT OE LE D Q L H H L L HL H L LX Q0 H X X Z Copyright © 2000, Texas Instruments Incorporated UNLESS OTHERWISE NOTED this document contains PRODUCTION DATA information 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. EPIC is a trademark of Texas Instruments Incorporated. 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. 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 SN54ACT533 ...J OR W PACKAGE SN74ACT533 . . . DB, DW, N, OR PW PACKAGE (TOP VIEW) 32 1 20 19 9 10 11 12 13 4 5 6 7 8 18 17 16 15 14 8D 7D 7Q 6Q 6D 2D 2Q 3Q 3D 4D SN54ACT533 . . . FK PACKAGE (TOP VIEW) |
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