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74ALVCH162344VRG4 Fiches technique(PDF) 1 Page - Texas Instruments |
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74ALVCH162344VRG4 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 14 page www.ti.com FEATURES DESCRIPTION/ORDERING INFORMATION DGG, DGV, 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 OE1 1B1 1B2 GND 1B3 1B4 VCC 1A 2B1 2B2 GND 2B3 2B4 2A 3A 3B1 3B2 GND 3B3 3B4 4A VCC 4B1 4B2 GND 4B3 4B4 OE2 OE4 8B1 8B2 GND 8B3 8B4 VCC 8A 7B1 7B2 GND 7B3 7B4 7A 6A 6B1 6B2 GND 6B3 6B4 5A VCC 5B1 5B2 GND 5B3 5B4 OE3 SN74ALVCH162344 1-BIT TO 4-BIT ADDRESS DRIVER WITH 3-STATE OUTPUTS SCES085I – AUGUST 1996 – REVISED OCTOBER 2004 • Member of the Texas Instruments Widebus™ Family • Operates From 1.65 V to 3.6 V • Max tpd of 4.4 ns at 3.3 V • ±12-mA Output Drive at 3.3 V • Output Ports Have Equivalent 26- Ω Series Resistors, So No External Resistors Are Required • Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors • Latch-Up Performance Exceeds 250 mA Per JESD 17 This 1-bit to 4-bit address driver is designed for 1.65-V to 3.6-V VCC operation. The SN74ALVCH162344 is used in applications in which four separate memory locations must be addressed by a single address. The outputs, which are designed to sink up to 12 mA, include equivalent 26- Ω resistors to reduce overshoot and undershoot. To ensure the high-impedance state during power up or power down, the output-enable (OE) inputs 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. Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended. ORDERING INFORMATION TA PACKAGE(1) ORDERABLE PART NUMBER TOP-SIDE MARKING Tube SN74ALVCH162344DL SSOP - DL ALVCH162344 Tape and reel SN74ALVCH162344DLR -40 °C to 85°C TSSOP - DGG Tape and reel SN74ALVCH162344GR ALVCH162344 TVSOP - DGV Tape and reel SN74ALVCH162344VR VH2344 (1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. 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. PRODUCTION DATA information is current as of publication date. Copyright © 1996–2004, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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