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Number of channels 18 IOL (max) (mA) 24 IOH (max) (mA) -24 Input type LVTTL Output type LVTTL Features Balanced outputs, Bus-hold, Ultra high speed (tpd <5ns) Technology family ALVC Rating Catalog Operating temperature range (°C) -40 to 85
Number of channels 18 IOL (max) (mA) 24 IOH (max) (mA) -24 Input type LVTTL Output type LVTTL Features Balanced outputs, Bus-hold, Ultra high speed (tpd <5ns) Technology family ALVC Rating Catalog Operating temperature range (°C) -40 to 85
SSOP (DL) 56 190.647 mm² (18.42 mm × 10.35 mm)
  • Member of the Texas Instruments Widebus™ Family
  • UBT™ Transceiver Combines D-Type Latches and D-Type Flip-Flops for Operation in Transparent, Latched, Clocked, or Clock-Enable Mode
  • Operates From 1.65-V to 3.6-V
  • Max tpd of 3.2 ns at 3.3-V
  • ±24-mA Output Drive at 3.3-V
  • Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
  • Latch-Up Performance Exceeds 250 mA Per JESD 17
  • ESD Performance Tested Per JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)

Widebus, UBT are trademarks of Texas Instruments.

  • Member of the Texas Instruments Widebus™ Family
  • UBT™ Transceiver Combines D-Type Latches and D-Type Flip-Flops for Operation in Transparent, Latched, Clocked, or Clock-Enable Mode
  • Operates From 1.65-V to 3.6-V
  • Max tpd of 3.2 ns at 3.3-V
  • ±24-mA Output Drive at 3.3-V
  • Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
  • Latch-Up Performance Exceeds 250 mA Per JESD 17
  • ESD Performance Tested Per JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)

Widebus, UBT are trademarks of Texas Instruments.

This 18-bit universal bus transceiver is designed for 1.65-V to 3.6-V VCC operation.

Data flow in each direction is controlled by output-enable (OEAB\ and OEBA\) and clock-enable (CLKENBA\) inputs. For the A-to-B data flow, the data flows through a single buffer. The B-to-A data can flow through a four-stage pipeline register path, or through a single register path, depending on the state of the select (SEL\) input.

Data is stored in the internal registers on the low-to-high transition of the clock (CLK) input, provided that the appropriate CLKENBA\ input is low. The B-to-A data transfer is synchronized with CLK.

To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.

This 18-bit universal bus transceiver is designed for 1.65-V to 3.6-V VCC operation.

Data flow in each direction is controlled by output-enable (OEAB\ and OEBA\) and clock-enable (CLKENBA\) inputs. For the A-to-B data flow, the data flows through a single buffer. The B-to-A data can flow through a four-stage pipeline register path, or through a single register path, depending on the state of the select (SEL\) input.

Data is stored in the internal registers on the low-to-high transition of the clock (CLK) input, provided that the appropriate CLKENBA\ input is low. The B-to-A data transfer is synchronized with CLK.

To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.

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* 数据表 SN74ALVCH16524 数据表 (Rev. E) 2004-9-1

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SSOP (DL) 56 Ultra Librarian

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