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SN74AC373DWG4 датащи(PDF) 1 Page - Texas Instruments |
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SN74AC373DWG4 датащи(HTML) 1 Page - Texas Instruments |
1 / 22 page SN54AC373, SN74AC373 OCTAL D-TYPE TRANSPARENT LATCHES WITH 3-STATE OUTPUTS SCAS540D − OCTOBER 1995 − REVISED OCTOBER 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 2-V to 6-V V CC Operation D Inputs Accept Voltages to 6 V D Max t pd of 9.5 ns at 5 V D 3-State Noninverting Outputs Drive Bus Lines Directly D Full Parallel Access for Loading description/ordering information These 8-bit latches feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. The devices are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. The eight latches are D-type transparent latches. When the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is taken low, the Q outputs are latched at the logic 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 in bus-organized systems 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. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP − N Tube SN74AC373N SN74AC373N SOIC DW Tube SN74AC373DW AC373 SOIC − DW Tape and reel SN74AC373DWR AC373 −40 °C to 85°C SOP − NS Tape and reel SN74AC373NSR AC373 40 C to 85 C SSOP − DB Tape and reel SN74AC373DBR AC373 TSSOP PW Tube SN74AC373PW AC373 TSSOP − PW Tape and reel SN74AC373PWR AC373 CDIP − J Tube SNJ54AC373J SNJ54AC373J −55 °C to 125°C CFP − W Tube SNJ54AC373W SNJ54AC373W 55 C to 125 C LCCC − FK Tube SNJ54AC373FK SNJ54AC373FK † 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. 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 SN54AC373 . . . FK PACKAGE (TOP VIEW) SN54AC373 ...J OR W PACKAGE SN74AC373 . . . DB, DW, N, NS, OR PW PACKAGE (TOP VIEW) 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. |
Аналогичный номер детали - SN74AC373DWG4 |
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Аналогичное описание - SN74AC373DWG4 |
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