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HEF40373B - Octal transparent latch

Description

The HEF40373B is an 8-bit transparent latch with 3-state buffered outputs.

The output stages have high current output capability suitable for driving highly capacitive loads.

The latch outputs follow the data inputs when the latch enable (E) is HIGH.

Features

  • Octal bus interface.
  • 3-state buffers.
  • Fully static operation.
  • 5 V, 10 V, and 15 V parametric ratings.
  • Standardized symmetrical output characteristics.
  • Specified from.
  • 40 °C to +85 °C 3 Ordering information Table 1. Ordering information Type number Package Temperature range HEF40373BT -40 °C to +85 °C Name SO20.

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Full PDF Text Transcription

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HEF40373B Octal transparent latch with 3-state outputs Rev. 4 — 29 June 2018 Product data sheet 1 General description The HEF40373B is an 8-bit transparent latch with 3-state buffered outputs. The output stages have high current output capability suitable for driving highly capacitive loads. The latch outputs follow the data inputs when the latch enable (E) is HIGH. When E is LOW, the data that meets the set-up times is latched. The 3-state outputs are controlled by the output enable input EO. A HIGH on EO causes the outputs to assume a high impedance OFF-state. The device features hysteresis on the E input to improve noise rejection. Schmitt-trigger action in the E input makes the circuit highly tolerant to slower input rise and fall times.
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