SN74ALVTH16244_TI 具有总线保持、TTL 兼容型 CMOS 输入和三态输出的 16 通道、2.3V 至 3.6V 缓冲器

制造厂商：TI
产品类别：逻辑和电压转换
技术类目：缓冲器、驱动器和收发器 - 同相缓冲器和驱动器
功能描述：具有总线保持、TTL 兼容型 CMOS 输入和三态输出的 16 通道、2.3V 至 3.6V 缓冲器
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SN74ALVTH16244的产品详情：

The 'ALVTH16244 devices are 16-bit buffers/line drivers designed for 2.5-V or 3.3-V V_CC 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.

Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.

When V_CC is between 0 and 1.2 V, the device is in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 1.2 V, the output-enable (OE\) input should be tied to V_CC 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 I_off and power-up 3-state. The I_off 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.

The SN54ALVTH16244 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALVTH16244 is characterized for operation from -40°C to 85°C.

SN74ALVTH16244的优势和特性：

Members of the Texas Instruments WidebusTM Family
State-of-the-Art Advanced BiCMOS Technology (ABT) Design for 3.3-V Operation and Low Static-Power Dissipation
5-V I/O Compatible
High Drive Capability (-32 mA/64 mA)
Support Mixed-Mode Signal Operation (5-V Input and Output Voltages With 3.3-V VCC)
Support Unregulated Battery Operation Down to 2.3 V
Typical VOLP (Output Ground Bounce) < 0.8 V at VCC = 3.3 V, TA = 25°C
Auto3-State Eliminates Bus Current Loading When Voltage at the Output Exceeds VCC
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 250 mA Per JESD 17
ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
Package Options Include Plastic 300-mil Shrink Small-Outline (DL), Thin Shrink Small-Outline (DGG), Thin Very Small-Outline (DGV) Packages, and 380-mil Fine-Pitch Ceramic Flat (WD) Package

NOTE: For tape and reel order entry: The DGGR package is abbreviated to GR, and the DGVR package is abbreviated to VR. Widebus is a trademark of Texas Instruments Incorporated.

SN74ALVTH16244的参数（英文）：

Technology Family
ALVT
Supply voltage (Min) (V)
2.3
Supply voltage (Max) (V)
3.6
Number of channels (#)
16
IOL (Max) (mA)
24
ICC (Max) (uA)
5000
IOH (Max) (mA)
-24
Input type
TTL-Compatible CMOS
Output type
3-State
Features
Balanced outputs, Over-voltage tolerant inputs, Bus-hold
Rating
Catalog

SN74ALVTH16244具体的完整产品型号参数及价格（美元）：

SN74ALVTH16244的完整型号有：SN74ALVTH16244DL、SN74ALVTH16244DLR、SN74ALVTH16244GR、SN74ALVTH16244VR，以下是这些产品的关键参数及官网采购报价：

SN74ALVTH16244DL，工作温度：-40 to 85，封装：SSOP (DL)-48，包装数量MPQ：25个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74ALVTH16244DL的批量USD价格：.711（1000+）

SN74ALVTH16244DLR，工作温度：-40 to 85，封装：SSOP (DL)-48，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74ALVTH16244DLR的批量USD价格：.602（1000+）

SN74ALVTH16244GR，工作温度：-40 to 85，封装：TSSOP (DGG)-48，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74ALVTH16244GR的批量USD价格：.547（1000+）

SN74ALVTH16244VR，工作温度：-40 to 85，封装：TVSOP (DGV)-48，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74ALVTH16244VR的批量USD价格：.547（1000+）

SN74ALVTH16244的评估套件：

SN74ALVTH16244的电路图解：

SN74ALVTH16244的评估套件：