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SN54BCT373FK Datasheet(PDF) 1 Page - Texas Instruments |
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SN54BCT373FK Datasheet(HTML) 1 Page - Texas Instruments |
1 / 16 page SN54BCT373, SN74BCT373 OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS SCBS016D – SEPTEMBER 1988 – REVISED MARCH 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Operating Voltage Range of 4.5 V to 5.5 V D State-of-the-Art BiCMOS Design Significantly Reduces ICCZ D Full Parallel Access for Loading D 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers D ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) SN54BCT373 ...FK PACKAGE (TOP VIEW) SN54BCT373 ...J OR W PACKAGE SN74BCT373 . . . DB, DW, N, OR NS 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 3 2 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 8D 7D 7Q 6Q 6D 2D 2Q 3Q 3D 4D description/ordering information These 8-bit latches feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. The eight latches of the ’BCT373 devices are transparent D-type latches. While the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When the latch enable is taken low, the Q outputs are latched at the logic levels that were 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 interface or pullup components. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP – N Tube SN74BCT373N SN74BCT373N SOIC DW Tube SN74BCT373DW BCT373 0 °C to 70°C SOIC – DW Tape and reel SN74BCT373DWR BCT373 SOP – NS Tape and reel SN74BCT373NSR BCT373 SSOP – DB Tape and reel SN74BCT373DBR BT373 CDIP – J Tube SNJ54BCT373J SNJ54BCT373J –55 °C to 125°C CFP – W Tube SNJ54BCT373W SNJ54BCT373W LCCC – FK Tube SNJ54BCT373FK SNJ54BCT373FK † 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 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. 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. 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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