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SN74ABT162841DL Scheda tecnica(PDF) 1 Page - Texas Instruments |
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SN74ABT162841DL Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 12 page SN54ABT162841, SN74ABT162841 20BIT BUSINTERFACE DTYPE LATCHES WITH 3STATE OUTPUTS SCBS665C − JUNE 1996 − REVISED JUNE 2004 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Members of the Texas Instruments Widebus E Family D Output Ports Have Equivalent 25-Ω Series Resistors, So No External Resistors Are Required D Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 5 V, TA = 25°C D High-Impedance State During Power Up and Power Down D Ioff and Power-Up 3-State Support Hot Insertion D Distributed VCC and GND Pins Minimize High-Speed Switching Noise D Flow-Through Architecture Optimizes PCB Layout D Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17 description/ordering information These 20-bit transparent D-type latches feature noninverting 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 ’ABT162841 devices can be used as two 10-bit latches or one 20-bit latch. While the latch-enable (1LE or 2LE) input is high, the Q outputs of the corresponding 10-bit latch follow the data (D) inputs. When LE is taken low, the Q outputs are latched at the levels set up at the D inputs. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING SSOP − DL Tube SN74ABT162841DL ABT162841 −40 °C to 85°C SSOP − DL Tape and reel SN74ABT162841DLR ABT162841 −40 C to 85 C TSSOP − DGG Tape and reel SN74ABT162841DGGR ABT162841 −55 °C to 125°C CFP − WD Tube SNJ54ABT162841WD SNJ54ABT162841WD † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2004, 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. 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. Widebus is a trademark of Texas Instruments. SN54ABT162841 . . . WD PACKAGE SN74ABT162841 . . . DGG OR DL PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 1OE 1Q1 1Q2 GND 1Q3 1Q4 VCC 1Q5 1Q6 1Q7 GND 1Q8 1Q9 1Q10 2Q1 2Q2 2Q3 GND 2Q4 2Q5 2Q6 VCC 2Q7 2Q8 GND 2Q9 2Q10 2OE 1LE 1D1 1D2 GND 1D3 1D4 VCC 1D5 1D6 1D7 GND 1D8 1D9 1D10 2D1 2D2 2D3 GND 2D4 2D5 2D6 VCC 2D7 2D8 GND 2D9 2D10 2LE |
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