SN54LVTH16244A
- Members of the Texas Instruments Widebus Family
- State-of-the-Art Advanced BiCMOS
Technology (ABT) Design for 3.3-V
Operation and Low Static-Power
Dissipation - Support Mixed-Mode Signal Operation
(5-V Input and Output Voltages With
3.3-V VCC) - Support Unregulated Battery Operation
Down to 2.7 V - Typical VOLP (Output Ground Bounce)
<0.8 V at VCC = 3.3 V, TA = 25°C - Ioff and Power-Up 3-State Support Hot
Insertion - Bus Hold on Data Inputs Eliminates the Need
for External Pullup/Pulldown Resistors - Latch-Up Performance Exceeds 500 mA
Per JESD 17 - ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
The 'LVTH16244A devices are 16-bit buffers and line drivers designed for low-voltage (3.3-V) VCC operation, but with the capability to provide a TTL interface to a 5-V system environment. These devices can be used as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer. These devices provide true outputs and symmetrical active-low output-enable (OE) inputs.
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.
When VCC is between 0 and 1.5 V, the devices are in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 1.5 V, OE 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.
These devices are fully specified for hot-insertion applications using Ioff and power-up 3-state. The Ioff circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down. The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down, which prevents driver conflict.
技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | 3.3-V ABT 16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS, SNx4LVTH16244A datasheet (Rev. U) | 2013/10/11 | |||
| * | SMD | SN54LVTH16244A SMD 5962-96685 | 2016/6/21 |
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