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D 型锁存器

SN74ALS992

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具有三态输出的 9 位 D 类透明读回锁存器

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SN74ALS992

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米6体育平台手机版_好二三四详情

Number of channels 9 Technology family ALS Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 5.5 Input type Bipolar Output type 3-State Clock frequency (max) (MHz) 75 IOL (max) (mA) 24 IOH (max) (mA) -2.6 Supply current (max) (µA) 80000 Features Flow-through pinout, High speed (tpd 10-50ns) Operating temperature range (°C) 0 to 70 Rating Catalog
Number of channels 9 Technology family ALS Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 5.5 Input type Bipolar Output type 3-State Clock frequency (max) (MHz) 75 IOL (max) (mA) 24 IOH (max) (mA) -2.6 Supply current (max) (µA) 80000 Features Flow-through pinout, High speed (tpd 10-50ns) Operating temperature range (°C) 0 to 70 Rating Catalog
SOIC (DW) 24 159.65 mm² 15.5 x 10.3
  • 3-State I/O-Type Read-Back Inputs
  • Bus-Structured Pinout
  • True Logic Outputs
  • Designed With Nine Bits for Parity Applications
  • Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic (NT) 300-mil DIPs

 
  • 3-State I/O-Type Read-Back Inputs
  • Bus-Structured Pinout
  • True Logic Outputs
  • Designed With Nine Bits for Parity Applications
  • Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic (NT) 300-mil DIPs

 

This 9-bit latch is designed specifically for storing the contents of the input data bus and providing the capability of reading back the stored data onto the input data bus. In addition, this device provides a 3-state buffer-type output and is easily implemented in parity applications.

The nine latches are transparent D-type latches. While the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. The Q outputs are in the 3-state condition when the output-enable () input is high.

Read back is provided through the output-enable () input. When is taken low, the data present at the output of the data latches is allowed to pass back onto the input data bus. When is taken high, the output of the data latches is isolated from the D inputs. does not affect the internal operation of the latches; however, precautions should be taken not to create a bus conflict.

The SN74ALS992 is characterized for operation from 0°C to 70°C.

This 9-bit latch is designed specifically for storing the contents of the input data bus and providing the capability of reading back the stored data onto the input data bus. In addition, this device provides a 3-state buffer-type output and is easily implemented in parity applications.

The nine latches are transparent D-type latches. While the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. The Q outputs are in the 3-state condition when the output-enable () input is high.

Read back is provided through the output-enable () input. When is taken low, the data present at the output of the data latches is allowed to pass back onto the input data bus. When is taken high, the output of the data latches is isolated from the D inputs. does not affect the internal operation of the latches; however, precautions should be taken not to create a bus conflict.

The SN74ALS992 is characterized for operation from 0°C to 70°C.
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类型 标题 下载最新的英语版本 日期
* 数据表 9-Bit D-Type Trans Read-Back Latch With 3-State Outputs 数据表 (Rev. B) 1995年 1月 1日

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

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