概要

The IDT74FCT521T is an 8-bit identity comparator that compares two words of up to eight bits each and provides a low output when the two words match bit for bit. The expansion input IA = B also serves as an active low enable input. The 74FCT521T operates at -40 °C to +85 °C.

74FCT521T - Block Diagram
74FCT521T - Block Diagram
  • A and C speeds
  • Low input and output leakage ≤1µA (max.)
  • CMOS power levels
  • True TTL input and output compatibility
  • VOH = 3.3V (typ.)
  • VOL = 0.3V (typ.)
  • High drive outputs (-15mA IOH, 48mA IOL)
  • Meets or exceeds JEDEC standard 18 specifications
  • Power off disable outputs permit "live insertion"
  • Available in 20-pin SOIC and QSOP packages

ドキュメント

設計・開発

ECADモデル

[製品選択]テーブル内の製品名をクリックするとSamacSysが提供する回路図シンボル、PCBフットプリント、3D CADモデルがご確認いただけます。 お探しのシンボルやモデルが見つからない場合、Webサイトから直接リクエストできます。

ECADモデルを調べる
Diagram of ECAD Models

製品選択

    Processing table
    Pkg. Type
    Lead Count (#)
    Temp. Grade
    Pb (Lead) Free
    Carrier Type
    Moisture Sensitivity Level (MSL)
    Price (USD) | 1ku
    ご購入 / サンプル
    型名
    74FCT521ATQG
    circleアクティブ
    memory
    view_in_ar
    サンプル入手可能
    		 QSOP 20 C Yes Tube 1 1.614 サンプルを入手,
    74FCT521ATQG8
    circleアクティブ
    memory
    view_in_ar
    		QSOP 20 C Yes Reel 1 1.547
    74FCT521ATSOG
    circleアクティブ
    memory
    view_in_ar
    サンプル入手可能
    今すぐ購入する
    		SOIC 20 C Yes Tube 1 1.591 サンプルを入手,
    74FCT521ATSOG8
    circleアクティブ
    memory
    view_in_ar
    		SOIC 20 C Yes Reel 1 1.547
    74FCT521CTQG
    circleアクティブ
    memory
    view_in_ar
    サンプル入手可能
    		 QSOP 20 C Yes Tube 1 1.614 サンプルを入手,
    74FCT521CTSOG8
    circleアクティブ
    memory
    view_in_ar
    		SOIC 20 C Yes Reel 1 1.547
    Parametric Table tips

    Tips for Using This Parametric Table:

    • Hide Filters button in header: Collapse or expands filters
    • Column sort buttons in header: Sort Column alphabetically / numerically descending or ascending
    • Reset button in header: Reset all filters to the page default
    • Full Screen button in header: Expand the table to full screen view (user must close out of full screen before they can interact with rest of page)
    • Export button in header: Export the filtered results of the table to an Excel document
    • Filter parts search bar in header: Type to filter table results by part number
    • Hide column button in column headers: Select to hide columns in table
    • AND / OR toggle switches in header: Toggles the logic of this particular filter to be “AND” or “OR” logic for filtering results
    • Multiselect checkboxes at beginning of each row in table: Select these checkboxes to compare products against each other
    • Document icon next to product name in row: View the featured document for this product
    • Chip icon next to the right of the document icon in row: View the block diagram for this product
    • Cart icon to the right of the chip icon: Indicates that samples are available for this product