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TI(德州仪器) SN74HCT645
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  • TI(德州仪器) SN74HCT645
  • TI(德州仪器) SN74HCT645
  • TI(德州仪器) SN74HCT645
  • TI(德州仪器) SN74HCT645
  • TI(德州仪器) SN74HCT645
  • TI(德州仪器) SN74HCT645
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SN74HCT645

SN74HCT645

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具有三态输出的八通道总线收发器

产品详情
  • 说明
  • 特性
  • 参数
  • 封装 | 引脚 | 尺寸

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

  • Operating Voltage Range of 4.5 V to 5.5 V
  • High-Current 3-State Outputs Can Drive Up To 15 LSTTL Loads
  • Low Power Consumption, 80-µA Max ICC
  • Typical tpd = 14 ns
  • ±6-mA Output Drive at 5 V
  • Low Input Current of 1 µA Max
  • Inputs Are TTL-Voltage Compatible
  • True Logic

Supply voltage (min) (V)4.5
Supply voltage (max) (V)5.5
Number of channels8
IOL (max) (mA)6
IOH (max) (mA)-6
Input typeTTL
Output typeCMOS
FeaturesBalanced outputs, High speed (tpd 10-50ns), Positive input clamp diode
Technology familyHCT
RatingCatalog
Operating temperature range (°C)-40 to 85
PDIP (N)20228.702 mm² 24.33 x 9.4
SOIC (DW)20131.84 mm² 12.8 x 10.3
TSSOP (PW)2041.6 mm² 6.5 x 6.4
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