SN74ABT16823_TI 具有三态输出的 18 位总线接口触发器

SN74ABT16823的基本参数

制造厂商：TI
产品类别：逻辑和电压转换
技术类目：触发器、锁存器和寄存器 - D 型触发器
功能描述：具有三态输出的 18 位总线接口触发器
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SN74ABT16823的产品详情：

These 18-bit flip-flops feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing wider buffer registers, I/O ports, bidirectional bus drivers with parity, and working registers.

The 'ABT16823 can be used as two 9-bit flip-flops or one 18-bit flip-flop. With the clock-enable () input low, the D-type flip-flops enter data on the low-to-high transitions of the clock. Taking high disables the clock buffer, latching the outputs. Taking the clear () input low causes the Q outputs to go low independently of the clock.

A buffered output-enable () input can be used to place the nine outputs in either a normal logic state (high or low logic level) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines without need for interface or pullup components.

does not affect the internal operation of the flip-flops. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.

When V_CC is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 2.1 V, should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking/current-sourcing capability of the driver.

The SN54ABT16823 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT16823 is characterized for operation from -40°C to 85°C.

SN74ABT16823的优势和特性：

Members of the Texas Instruments WidebusTM Family
State-of-the-Art EPIC-IIBTM BiCMOS Design Significantly Reduces Power Dissipation
High-Impedance State During Power Up and Power Down
ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
Typical VOLP (Output Ground Bounce) < 1 V at VCC = 5 V, TA = 25°C
Distributed VCC and GND Pin Configuration Minimizes High-Speed Switching Noise
Flow-Through Architecture Optimizes PCB Layout
High-Drive Outputs (-32-mA IOH, 64-mA IOL)
Package Options Include Plastic 300-mil Shrink Small-Outline (DL), Thin Shrink Small-Outline (DGG) Packages and 380-mil Fine-Pitch Ceramic Flat (WD) Package Using 25-mil Center-to-Center Spacings

Widebus and EPIC-IIB are trademarks of Texas Instruments Incorporated.

SN74ABT16823的参数（英文）：

Number of channels (#)
18
Technology Family
ABT
Supply voltage (Min) (V)
4.5
Supply voltage (Max) (V)
5.5
Input type
TTL-Compatible CMOS
Output type
3-State
Clock Frequency (Max) (MHz)
150
IOL (Max) (mA)
64
IOH (Max) (mA)
-32
ICC (Max) (uA)
80000
Features
Very high speed (tpd 5-10ns), Partial power down (Ioff)

SN74ABT16823具体的完整产品型号参数及价格（美元）：

SN74ABT16823的完整型号有：SN74ABT16823DGGR、SN74ABT16823DGVR、SN74ABT16823DL、SN74ABT16823DLR，以下是这些产品的关键参数及官网采购报价：

SN74ABT16823DGGR，工作温度：-40 to 85，封装：TSSOP (DGG)-56，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SN74ABT16823DGGR的批量USD价格：1.142（1000+）

SN74ABT16823DGVR，工作温度：-40 to 85，封装：TVSOP (DGV)-56，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SN74ABT16823DGVR的批量USD价格：1.142（1000+）

SN74ABT16823DL，工作温度：-40 to 85，封装：SSOP (DL)-56，包装数量MPQ：20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SN74ABT16823DL的批量USD价格：1.485（1000+）

SN74ABT16823DLR，工作温度：-40 to 85，封装：SSOP (DL)-56，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SN74ABT16823DLR的批量USD价格：1.256（1000+）

SN74ABT16823的评估套件：

SN74ABT16823的电路图解：

SN74ABT16823的评估套件：