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SN74HCT645

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具有三态输出的八通道总线收发器

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数据表

SN74HCT645

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数据表 立即订购

产品详情

Number of channels 8 IOL (max) (mA) 6 IOH (max) (mA) -6 Input type TTL Output type CMOS Features Balanced outputs, High speed (tpd 10-50ns), Positive input clamp diode Technology family HCT Rating Catalog Operating temperature range (°C) -40 to 85
Number of channels 8 IOL (max) (mA) 6 IOH (max) (mA) -6 Input type TTL Output type CMOS Features Balanced outputs, High speed (tpd 10-50ns), Positive input clamp diode Technology family HCT Rating Catalog Operating temperature range (°C) -40 to 85
SOIC (DW) 20 131.84 mm² (12.8 mm × 10.3 mm) PDIP (N) 20 228.702 mm² (24.33 mm × 9.4 mm) TSSOP (PW) 20 41.6 mm² (6.5 mm × 6.4 mm)
  • 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
  • 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

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.

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.
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* 数据表 SN54HCT645, SN74HCT645 数据表 (Rev. D) 2003-8-19

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