SN64BCT25244
25-OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS

SCBS477 - DECEMBER 1992 - REVISED JANUARY 1994

features

• State-of-the-Art BiCMOS Design Significantly Reduces I_CCZ
• High-Impedance State During Power Up and Power Down
• ESD Protection Exceeds 2000 V Per MIL-STD-883C, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
• Designed to Facilitate Incident-Wave Switching for Line Impedances of 25 or Greater
• Distributed V_CC and GND Pins Minimize Noise Generated by the Simultaneous Switching of Outputs
• Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic 300-mil DIPs (NT)

description

The SN64BCT25244 is a 25- octal buffer and line driver designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented transceivers.

When the output-enable (1 and 2) inputs are low, the device transmits data from the A inputs to the Y outputs. When 1 and 2 are high, the outputs are in the high-impedance state.

This buffer/driver is capable of sinking 188-mA I_OL, which facilitates switching 25- transmission lines on the incident wave. The distributed V_CC and GND pins minimize switching noise for more reliable system operation.

The outputs are in a high-impedance state during power up and power down while the supply voltage value is less than approximately 3 V.

The SN64BCT25244 is characterized for operation from -40°C to 85°C and 0°C to 70°C.