74LVTH162244: Low Voltage 16-Bit Buffer/Line Driver with 3-STATE Outputs and 25 Ohm Series Resistors in the Outputs

The LVT162244 and LVTH162244 contain sixteen non-inverting buffers with 3-STATE outputs designed to be employed as a memory and address driver, clock driver, or bus oriented transmitter/receiver. The device is nibble controlled. Individual 3-STATE control inputs can be shorted together for 8-bit or 16-bit operation.     The LVT162244 and LVTH162244 are designed with equivalent 25ohm series resistance in both the HIGH and LOW states of the output. This design reduces line noise in applications such as memory address drivers, clock drivers, and bus transceivers/transmitters.     The LVTH162244 data inputs include bushold, eliminating the need for external pull-up resistors to hold unused inputs.     These buffers and line drivers are designed for low-voltage (3.3V) VCC applications, but with the capability to provide a TTL interface to a 5V environment. The LVT162244 and LVTH162244 are fabricated with an advanced BiCMOS technology to achieve high speed operation similar to 5V ABT while maintaining a low power dissipation.

Features

• Input and output interface capability to systems at 5V V_CC
• Bushold data inputs eliminate the need for external pull-up resistors to hold unused inputs (74LVTH162244), also available without bushold feature (74LVT162244).
• Live insertion/extraction permitted
• Power Up/Power Down high impedance provides glitch-free bus loading
• Outputs include equivalent series resistance of 25ohm to make external termination resistors unnecessary and reduce overshoot and undershoot
• Functionally compatible with the 74 series 162244
• Latch-up performance exceeds 500 mA
• ESD performance:Human-body model > 2000VMachine model > 200VCharged-device > 1000V
• Also packaged in plastic Fine-Pitch Ball Grid Array (FBGA)

Application Notes