SN74ABT162601

활성

3상 출력을 지원하는 18비트 범용 버스 트랜시버

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document-pdfAcrobat 18-Bit Universal Bus Transceivers With 3-State Outputs datasheet (Rev. G) (영어)

SN74ABT162601

활성

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제품 상세 정보

Number of channels

18

IOL (max) (mA)

64

IOH (max) (mA)

-32

Input type

TTL-Compatible CMOS

Output type

Push-Pull

Features

Damping resistors, Over-voltage tolerant inputs, Partial power down (Ioff), Ultra high speed (tpd <5ns)

Technology family

ABT

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Number of channels

18

IOL (max) (mA)

64

IOH (max) (mA)

-32

Input type

TTL-Compatible CMOS

Output type

Push-Pull

Features

Damping resistors, Over-voltage tolerant inputs, Partial power down (Ioff), Ultra high speed (tpd <5ns)

Technology family

ABT

Rating

Catalog

Operating temperature range (°C)

-40 to 85

SSOP (DL)

56

190.647 mm² (18.42 mm × 10.35 mm)

TSSOP (DGG)

56

113.4 mm² (14 mm × 8.1 mm)

Members of the Texas Instruments Widebus^TM Family
B-Port Outputs Have Equivalent 25- Series Resistors, So No External Resistors Are Required
State-of-the-Art EPIC-II B^TM BiCMOS Design Significantly Reduces Power Dissipation
UBT^TM (Universal Bus Transceiver) Combines D-Type Latches and D-Type Flip-Flops for Operation in Transparent, Latched, Clocked, or Clock-Enabled Mode
Latch-Up Performance Exceeds 500 mA Per JESD 17
Typical V_OLP (Output Ground Bounce) < 0.8 V at V_CC = 5 V, T_A = 25°C
High-Impedance State During Power Up and Power Down
Flow-Through Architecture Optimizes PCB Layout
Package Options Include Plastic 300-mil Shrink Small-Outline (DL) and Thin Shrink Small-Outline (DGG) Packages and 380-mil Fine-Pitch Ceramic Flat (WD) Package Using 25-mil Center-to-Center Spacings
Widebus, EPIC-IIB, and UBT are trademarks of Texas Instruments Incorporated.

Members of the Texas Instruments Widebus^TM Family
B-Port Outputs Have Equivalent 25- Series Resistors, So No External Resistors Are Required
State-of-the-Art EPIC-II B^TM BiCMOS Design Significantly Reduces Power Dissipation
UBT^TM (Universal Bus Transceiver) Combines D-Type Latches and D-Type Flip-Flops for Operation in Transparent, Latched, Clocked, or Clock-Enabled Mode
Latch-Up Performance Exceeds 500 mA Per JESD 17
Typical V_OLP (Output Ground Bounce) < 0.8 V at V_CC = 5 V, T_A = 25°C
High-Impedance State During Power Up and Power Down
Flow-Through Architecture Optimizes PCB Layout
Package Options Include Plastic 300-mil Shrink Small-Outline (DL) and Thin Shrink Small-Outline (DGG) Packages and 380-mil Fine-Pitch Ceramic Flat (WD) Package Using 25-mil Center-to-Center Spacings
Widebus, EPIC-IIB, and UBT are trademarks of Texas Instruments Incorporated.

These 18-bit universal bus transceivers combine D-type latches and D-type flip-flops to allow data flow in transparent, latched, and clocked modes.

Data flow in each direction is controlled by output-enable (OEAB\ and OEBA\), latch-enable (LEAB and LEBA), and clock (CLKAB and CLKBA) inputs. The clock can be controlled by the clock-enable (CLKENAB\ and CLKENBA\) inputs.

For A-to-B data flow, the device operates in the transparent mode when LEAB is high. When LEAB is low, the A data is latched if CLKAB is held at a high or low logic level. If LEAB is low, the A data is stored in the latch/flip-flop on the low-to-high transition of CLKAB. Output-enable OEAB\ is active-low. When OEAB\ is low, the outputs are active. When OEAB\ is high, the outputs are in the high-impedance state. Data flow for B to A is similar to that of A to B but uses OEBA\, LEBA, CLKBA, and CLKENBA\.

The B-port outputs, which are designed to source or sink up to 12 mA, include equivalent 25- series resistors to reduce overshoot and undershoot.

When V_CC is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 2.1 V, OE\ should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

The SN54ABT162601 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT162601 is characterized for operation from -40°C to 85°C.

These 18-bit universal bus transceivers combine D-type latches and D-type flip-flops to allow data flow in transparent, latched, and clocked modes.

Data flow in each direction is controlled by output-enable (OEAB\ and OEBA\), latch-enable (LEAB and LEBA), and clock (CLKAB and CLKBA) inputs. The clock can be controlled by the clock-enable (CLKENAB\ and CLKENBA\) inputs.

For A-to-B data flow, the device operates in the transparent mode when LEAB is high. When LEAB is low, the A data is latched if CLKAB is held at a high or low logic level. If LEAB is low, the A data is stored in the latch/flip-flop on the low-to-high transition of CLKAB. Output-enable OEAB\ is active-low. When OEAB\ is low, the outputs are active. When OEAB\ is high, the outputs are in the high-impedance state. Data flow for B to A is similar to that of A to B but uses OEBA\, LEBA, CLKBA, and CLKENBA\.

The B-port outputs, which are designed to source or sink up to 12 mA, include equivalent 25- series resistors to reduce overshoot and undershoot.

When V_CC is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 2.1 V, OE\ should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

The SN54ABT162601 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT162601 is characterized for operation from -40°C to 85°C.

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