SN54ABT162825, SN74ABT162825 18-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

SCBS474C - JUNE 1994 - REVISED MAY 1997

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features

Members of the Texas Instruments Widebus^TM Family
Output Ports Have Equivalent 25- Series Resistors, So No External Resistors Are Required
State-of-the-Art EPIC-IIB^TM BiCMOS Design Significantly Reduces Power Dissipation
Typical V_OLP (Output Ground Bounce) < 1 V at V_CC = 5 V, T_A = 25°C
High-Impedance State During Power Up and Power Down
Distributed V_CC and GND Pin Configuration Minimizes High-Speed Switching Noise
Flow-Through Architecture Optimizes PCB Layout
Package Options Include Plastic 300-mil Shrink Small-Outline (DL) Package and 380-mil Fine-Pitch Ceramic Flat (WD) Package Using 25-mil Center-to-Center Spacings
Widebus and EPIC-IIB are trademarks of Texas Instruments Incorporated.

description

The 'ABT162825 are 18-bit buffers and line drivers designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. These devices provide true data, and can be used as two 9-bit buffers or one 18-bit buffer.

The 3-state control gate is a 2-input AND gate with active-low inputs so that if either output-enable (OE1\ or OE2\) input is high, all nine affected outputs are in the high-impedance state.

The 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 SN54ABT162825 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT162825 is characterized for operation from -40°C to 85°C.

Title: 18-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
Product Family: NON INVERTERS
Device Functionality: 18-BIT BUFFER/DRIVER
Orderable Devices: SN74ABT162825DL, SN74ABT162825DLR

View the complete PDF datasheet: scbs474c.pdf (111 K Bytes) (Requires Acrobat Reader 3.x)

View more information about generic part numbers:SN74ABT162825

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