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74LVTH16244ADLRG4 数据表(PDF) 1 Page - Texas Instruments |
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74LVTH16244ADLRG4 数据表(HTML) 1 Page - Texas Instruments |
1 / 23 page SN54LVTH16244A, SN74LVTH16244A www.ti.com SCBS142U – MAY 1992 – REVISED OCTOBER 2013 3.3-V ABT 16-Bit Buffers/Drivers With 3-State Outputs Check for Samples: SN54LVTH16244A, SN74LVTH16244A 1 FEATURES DESCRIPTION The 'LVTH16244A devices are 16-bit buffers and line 2 • Members of the Texas Instruments Widebus™ drivers designed for low-voltage (3.3-V) VCC Family operation, but with the capability to provide a TTL • State-of-the-Art Advanced BiCMOS interface to a 5-V system environment. These devices Technology (ABT) Design for 3.3-V can be used as four 4-bit buffers, two 8-bit buffers, or Operation and Low Static-Power one 16-bit buffer. These devices provide true outputs Dissipation and symmetrical active-low output-enable (OE) inputs. • Support Mixed-Mode Signal Operation (5-V Input and Output Voltages With Active bus-hold circuitry holds unused or undriven 3.3-V VCC) inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not • Support Unregulated Battery Operation recommended. Down to 2.7 V When VCC is between 0 and 1.5 V, the devices are in • Typical VOLP (Output Ground Bounce) the high-impedance state during power up or power <0.8 V at VCC = 3.3 V, TA = 25°C down. However, to ensure the high-impedance state • Ioff and Power-Up 3-State Support Hot above 1.5 V, OE should be tied to VCC through a Insertion pullup resistor; the minimum value of the resistor is • Bus Hold on Data Inputs Eliminates the Need determined by the current-sinking capability of the for External Pullup/Pulldown Resistors driver. • Latch-Up Performance Exceeds 500 mA These devices are fully specified for hot-insertion Per JESD 17 applications using Ioff and power-up 3-state. The Ioff circuitry disables the outputs, preventing damaging • ESD Protection Exceeds JESD 22 current backflow through the devices when they are – 2000-V Human-Body Model (A114-A) powered down. The power-up 3-state circuitry places – 200-V Machine Model (A115-A) the outputs in the high-impedance state during power up and power down, which prevents driver conflict. 1 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. 2 Widebus is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 1992–2013, 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. |
类似零件编号 - 74LVTH16244ADLRG4 |
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类似说明 - 74LVTH16244ADLRG4 |
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