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SN74AS240A

現行

具有 3 態輸出的 8 通道、4.5-V 至 5.5-V 雙極逆變器

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產品規格表

SN74AS240A

現行
產品規格表 立即訂購

產品詳細資料

Technology family AS Number of channels 8 IOL (max) (mA) 64 IOH (max) (mA) -15 Supply current (max) (µA) 75000 Input type Bipolar Output type 3-State Features Ultra high speed (tpd <5ns) Rating Catalog Operating temperature range (°C) 0 to 70
Technology family AS Number of channels 8 IOL (max) (mA) 64 IOH (max) (mA) -15 Supply current (max) (µA) 75000 Input type Bipolar Output type 3-State Features Ultra high speed (tpd <5ns) Rating Catalog Operating temperature range (°C) 0 to 70
SOP (NS) 20 98.28 mm² (12.6 mm × 7.8 mm) PDIP (N) 20 228.702 mm² (24.33 mm × 9.4 mm) SOIC (DW) 20 131.84 mm² (12.8 mm × 10.3 mm)
  • 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
  • pnp Inputs Reduce dc Loading
  • 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
  • pnp Inputs Reduce dc Loading

These octal buffers/drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. When these devices are used with the ’ALS241, ’AS241A, ’ALS244, and ’AS244A devices, the circuit designer has a choice of selected combinations of inverting and noninverting outputs, symmetrical active-low output-enable (OE)\ inputs, and complementary OE and OE\ inputs. These devices feature high fan-out and improved fan-in.

The -1 version of SN74ALS240A is identical to the standard version, except that the recommended maximum IOL for the -1 version is 48 mA. There is no -1 version of the SN54ALS240A.

These octal buffers/drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. When these devices are used with the ’ALS241, ’AS241A, ’ALS244, and ’AS244A devices, the circuit designer has a choice of selected combinations of inverting and noninverting outputs, symmetrical active-low output-enable (OE)\ inputs, and complementary OE and OE\ inputs. These devices feature high fan-out and improved fan-in.

The -1 version of SN74ALS240A is identical to the standard version, except that the recommended maximum IOL for the -1 version is 48 mA. There is no -1 version of the SN54ALS240A.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 Octal Buffers/Drivers With 3-State Outputs datasheet (Rev. E) 2002/8/2

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