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SN74LS245

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八通道总线收发器

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CD74ACT245 正在供货 具有三态输出的八路同向总线收发器 Voltage range 4.5V to 5.5V, average propagation delay 8ns, average drive strength 24mA
SN74ACT245 正在供货 具有 TTL 兼容型 CMOS 输入和三态输出的八路总线收发器 Voltage range 4.5V to 5.5V, average propagation delay 8ns, average drive strength 24mA
SN74HCT245 正在供货 具有三态输出的八通道总线收发器 Voltage range 4.5V to 5.5V, average propagation delay 22ns, average drive strength 4mA

SN74LS245

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产品详情

Supply voltage (min) (V) 4.75 Supply voltage (max) (V) 5.25 Number of channels 8 IOL (max) (mA) 24 IOH (max) (mA) -15 Input type TTL Output type TTL Features High speed (tpd 10-50ns) Technology family LS Rating Catalog Operating temperature range (°C) 0 to 70
Supply voltage (min) (V) 4.75 Supply voltage (max) (V) 5.25 Number of channels 8 IOL (max) (mA) 24 IOH (max) (mA) -15 Input type TTL Output type TTL Features High speed (tpd 10-50ns) Technology family LS Rating Catalog Operating temperature range (°C) 0 to 70
PDIP (N) 20 228.702 mm² 24.33 x 9.4 SOIC (DW) 20 131.84 mm² 12.8 x 10.3 SOP (NS) 20 98.28 mm² 12.6 x 7.8 SSOP (DB) 20 56.16 mm² 7.2 x 7.8
  • 3-State Outputs Drive Bus Lines Directly
  • PNP Inputs Reduce DC Loading on Bus Lines
  • Hysteresis at Bus Inputs Improves Noise Margins
  • Typical Propagation Delay Times Port to Port, 8 ns
  • 3-State Outputs Drive Bus Lines Directly
  • PNP Inputs Reduce DC Loading on Bus Lines
  • Hysteresis at Bus Inputs Improves Noise Margins
  • Typical Propagation Delay Times Port to Port, 8 ns

These octal bus transceivers are designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements.

The SNx4LS245 devices allow data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can disable the device so that the buses are effectively isolated.

These octal bus transceivers are designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements.

The SNx4LS245 devices allow data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can disable the device so that the buses are effectively isolated.
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open-in-new 比较替代产品
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CD74ACT245 正在供货 具有三态输出的八路同向总线收发器 Shorter average propagation delay (8ns), higher average drive strength (24mA)

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类型 标题 下载最新的英语版本 日期
* 数据表 SNx4LS245 Octal Bus Transceivers With 3-State Outputs 数据表 (Rev. B) PDF | HTML 2016年 9月 28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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