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邏輯和電壓轉換
正反器、鎖存器和暫存器
移位暫存器

SN74F299

現行

通用移位/儲存暫存器

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產品規格表

SN74F299

現行
產品規格表 立即訂購

產品詳細資料

Configuration Universal Bits (#) 8 Technology family F Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 5.5 Input type Bipolar Output type 3-State Clock frequency (MHz) 70 IOL (max) (mA) 24 IOH (max) (mA) -3 Supply current (max) (µA) 95000 Features High speed (tpd 10-50ns) Operating temperature range (°C) 0 to 70 Rating Catalog
Configuration Universal Bits (#) 8 Technology family F Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 5.5 Input type Bipolar Output type 3-State Clock frequency (MHz) 70 IOL (max) (mA) 24 IOH (max) (mA) -3 Supply current (max) (µA) 95000 Features High speed (tpd 10-50ns) Operating temperature range (°C) 0 to 70 Rating Catalog
PDIP (N) 20 228.702 mm² 24.33 x 9.4 SOIC (DW) 20 131.84 mm² 12.8 x 10.3
  • Four Modes of Operation:
    • Hold (Store)
    • Shift Right
    • Shift Left
    • Load Data
  • Operates With Outputs Enabled or at High Impedance
  • 3-State Outputs Drive Bus Lines Directly
  • Can Be Cascaded for N-Bit Word Lengths
  • Direct Overriding Clear
  • Applications:
    • Stacked or Push-Down Registers
    • Buffer Storage
    • Accumulator Registers
  • Four Modes of Operation:
    • Hold (Store)
    • Shift Right
    • Shift Left
    • Load Data
  • Operates With Outputs Enabled or at High Impedance
  • 3-State Outputs Drive Bus Lines Directly
  • Can Be Cascaded for N-Bit Word Lengths
  • Direct Overriding Clear
  • Applications:
    • Stacked or Push-Down Registers
    • Buffer Storage
    • Accumulator Registers

These 8-bit universal shift/storage registers feature multiplexed I/O ports to achieve full 8-bit data handling in a single 20-pin package. Two function-select (S0, S1) inputs and two output-enable (OE1\, OE2\) inputs can be used to choose the modes of operation listed in the function table.

Synchronous parallel loading is accomplished by taking both S0 and S1 high. This places the 3-state outputs in a high-impedance state and permits data that is applied on the I/O ports to be clocked into the register. Reading out of the register can be accomplished while the outputs are enabled in any mode. Clearing occurs when the clear (CLR\) input is low. Taking either OE1\ or OE2\ high disables the outputs but has no effect on clearing, shifting, or storage of data.

These 8-bit universal shift/storage registers feature multiplexed I/O ports to achieve full 8-bit data handling in a single 20-pin package. Two function-select (S0, S1) inputs and two output-enable (OE1\, OE2\) inputs can be used to choose the modes of operation listed in the function table.

Synchronous parallel loading is accomplished by taking both S0 and S1 high. This places the 3-state outputs in a high-impedance state and permits data that is applied on the I/O ports to be clocked into the register. Reading out of the register can be accomplished while the outputs are enabled in any mode. Clearing occurs when the clear (CLR\) input is low. Taking either OE1\ or OE2\ high disables the outputs but has no effect on clearing, shifting, or storage of data.
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類型 標題 日期
* Data sheet SN54F299, SN74F299 datasheet (Rev. B) 2004年 4月 16日
Application note Power-Up Behavior of Clocked Devices (Rev. B) PDF | HTML 2022年 12月 15日
Selection guide Logic Guide (Rev. AB) 2017年 6月 12日
Application note Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) 2015年 12月 2日
User guide LOGIC Pocket Data Book (Rev. B) 2007年 1月 16日
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 2004年 7月 8日
Application note TI IBIS File Creation, Validation, and Distribution Processes 2002年 8月 29日
Application note Bus-Interface Devices With Output-Damping Resistors Or Reduced-Drive Outputs (Rev. A) 1997年 8月 1日
Application note Designing With Logic (Rev. C) 1997年 6月 1日
Application note Input and Output Characteristics of Digital Integrated Circuits 1996年 10月 1日

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