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SN74BCT244

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具有三态输出的 8 通道、4.5V 至 5.5V 缓冲器

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SN74BCT244

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产品详情

Technology family BCT Number of channels 8 IOL (max) (mA) 64 Supply current (max) (µA) 80000 IOH (max) (mA) -15 Input type Bipolar Output type 3-State Features Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) Rating Catalog Operating temperature range (°C) 0 to 70
Technology family BCT Number of channels 8 IOL (max) (mA) 64 Supply current (max) (µA) 80000 IOH (max) (mA) -15 Input type Bipolar Output type 3-State Features Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) Rating Catalog Operating temperature range (°C) 0 to 70
SOIC (DW) 20 131.84 mm² (12.8 mm × 10.3 mm) PDIP (N) 20 228.702 mm² (24.33 mm × 9.4 mm) SOP (NS) 20 98.28 mm² (12.6 mm × 7.8 mm)
  • State-of-the-Art BiCMOS Design Significantly Reduces ICCZ
  • P-N-P Inputs Reduce DC Loading
  • ESD Protection Exceeds 2000 V
    Per MIL-STD-883C, Method 3015
  • 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
  • Package Options Include Plastic Small-Outline (DW) and Shrink Small-Outline (DB) Packages, Ceramic Chip Carriers (FK) and Flatpacks (W), and Standard Plastic and Ceramic 300-mil DIPs (J, N)
  • State-of-the-Art BiCMOS Design Significantly Reduces ICCZ
  • P-N-P Inputs Reduce DC Loading
  • ESD Protection Exceeds 2000 V
    Per MIL-STD-883C, Method 3015
  • 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
  • Package Options Include Plastic Small-Outline (DW) and Shrink Small-Outline (DB) Packages, Ceramic Chip Carriers (FK) and Flatpacks (W), and Standard Plastic and Ceramic 300-mil DIPs (J, N)

These octal buffers and line 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. Taken together with the ´BCT240 and ´BCT241, these devices provide the choice of selected combinations of inverting and noninverting outputs, symmetrical (active-low output-enable) inputs, and complementary OE and inputs.

The ´BCT244 is organized as two 4-bit buffers/line drivers with separate output-enable () inputs. When is low, the device passes data from the A inputs to the Y outputs. When is high, the outputs are in the high-impedance state.

The SN54BCT244 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74BCT244 is characterized for operation from 0°C to 70°C.

These octal buffers and line 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. Taken together with the ´BCT240 and ´BCT241, these devices provide the choice of selected combinations of inverting and noninverting outputs, symmetrical (active-low output-enable) inputs, and complementary OE and inputs.

The ´BCT244 is organized as two 4-bit buffers/line drivers with separate output-enable () inputs. When is low, the device passes data from the A inputs to the Y outputs. When is high, the outputs are in the high-impedance state.

The SN54BCT244 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74BCT244 is characterized for operation from 0°C to 70°C.

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SN74HCT244 正在供货 具有 TTL 兼容型 CMOS 输入和三态输出的 8 通道、4.5V 至 5.5V 缓冲器 Voltage range 4.5V to 5.5V, average propagation delay 22ns, average drive strength 4mA

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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 Octal Buffers/Drivers With 3-State Outputs 数据表 (Rev. E) 1994-4-1

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