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SN74ALS639A

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八通道总线收发器

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数据表

SN74ALS639A

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数据表 立即订购

米6体育平台手机版_好二三四详情

Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 5.5 Number of channels 8 IOL (max) (mA) 24 IOH (max) (mA) -15 Input type TTL Output type TTL Features High speed (tpd 10-50ns), Over-voltage tolerant inputs Technology family ALS Rating Catalog Operating temperature range (°C) 0 to 70
Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 5.5 Number of channels 8 IOL (max) (mA) 24 IOH (max) (mA) -15 Input type TTL Output type TTL Features High speed (tpd 10-50ns), Over-voltage tolerant inputs Technology family ALS 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
  • Bidirectional Bus Transceivers in High-Density 20-Pin Packages
  • Choice of True or Inverting Logic
  • A-Bus Outputs Are Open Collector; B-Bus Outputs Are 3 State
  • Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic (N) 300-mil DIPs

 
  • Bidirectional Bus Transceivers in High-Density 20-Pin Packages
  • Choice of True or Inverting Logic
  • A-Bus Outputs Are Open Collector; B-Bus Outputs Are 3 State
  • Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic (N) 300-mil DIPs

 

These octal bus transceivers are designed for asynchronous two-way communication between open-collector and 3-state buses. The devices transmit data from the A bus (open-collector) to the B bus (3 state) or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable () input can be used to disable the device so the buses are isolated.

The -1 version of SN74ALS638A is identical to the standard version, except that the recommended maximum IOL is increased to 48 mA.

The SN74ALS638A, SN74ALS639A, SN74AS638A, and SN74AS639 are characterized for operation from 0°C to 70°C.

 

 

These octal bus transceivers are designed for asynchronous two-way communication between open-collector and 3-state buses. The devices transmit data from the A bus (open-collector) to the B bus (3 state) or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable () input can be used to disable the device so the buses are isolated.

The -1 version of SN74ALS638A is identical to the standard version, except that the recommended maximum IOL is increased to 48 mA.

The SN74ALS638A, SN74ALS639A, SN74AS638A, and SN74AS639 are characterized for operation from 0°C to 70°C.

 

 
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SN74AHCT245 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 drive strength (8mA), average propagation delay (9ns)

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类型 标题 下载最新的英语版本 日期
* 数据表 Octal Bus Transceivers 数据表 (Rev. A) 1995年 1月 1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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