SN54AS374_TI 具有三态输出的八路边沿触发式 D 型触发器

SN54AS374的基本参数

制造厂商：TI（德州仪器，Texas Instruments）
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：具有三态输出的八路边沿触发式 D 型触发器
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SN54AS374的产品详情：

These octal D-type edge-triggered flip-flops feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.

On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels set up at the data (D) inputs.

A buffered output-enable (OE\) input places the eight outputs in either a normal logic state (high or low logic levels) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and the increased drive provide the capability to drive bus lines without interface or pullup components.

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

The SN54ALS374A and SN54AS374 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS374A and SN74AS374 are characterized for operation from 0°C to 70°C.

SN54AS374的优势和特性：

D-Type Flip-Flops in a Single Package With 3-State Bus Driving True Outputs
Full Parallel Access for Loading
Buffered Control Inputs
Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) DIPs

SN54AS374的参数（英文）：

Number of channels (#)
8
Technology Family
AS
Supply voltage (Min) (V)
4.5
Supply voltage (Max) (V)
5.5
Input type
Bipolar
Output type
3-State
Clock Frequency (Max) (MHz)
100
IOL (Max) (mA)
48
IOH (Max) (mA)
-15
ICC (Max) (uA)
128000
Features
Very high speed (tpd 5-10ns)

SN54AS374具体的完整产品型号参数及价格（美元）：

SN54AS374的完整型号有：5962-9756201QRA、SN54AS374J、SNJ54AS374J，以下是这些产品的关键参数及官网采购报价：

5962-9756201QRA，工作温度：-55 to 125，封装：CDIP (J)-20，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网5962-9756201QRA的批量USD价格：22.788（1000+）

SN54AS374J，工作温度：-55 to 125，封装：CDIP (J)-20，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网SN54AS374J的批量USD价格：18.739（1000+）

SNJ54AS374J，工作温度：-55 to 125，封装：CDIP (J)-20，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网SNJ54AS374J的批量USD价格：22.788（1000+）

SN54AS374的评估套件：

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