HEF40240B - NXP

HEF40240B Octal inverting buffers with 3-state outputs

The HEF40240B is an octal inverting buffer with 3-state outputs. It features output stages with high current output capability suitable for driving highly capacitive loads. The 3-state outputs are controlled by the output enable inputs EOA and EOB. A HIGH on EO causes the outputs to assume a high impedance OFF-state. The device also features hysteresis on al.

Features

output stages with high current output capability suitable for driving highly capacitive loads. The 3-state outputs are controlled by the output enable inputs EOA and EOB. A HIGH on EO causes the outputs to assume a high impedance OFF-state. The device also features hysteresis on all inputs to improve noise immunity. Schmitt-trigger action in the inputs makes the circuit highly tolerant to slower input rise and fall times. The HEF40240B is pin and functionally compatible with the TTL ‘240’ device. HEF40240B buffers Fig.2 Pinning diagram. HEF40240BP(N): 20-lead DIL; plastic (SOT146-1) HEF402.