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4049 Datasheet

The HEF4049B provides six inverting buffers with high current output capability suitable for driving TTL or high capacitive loads. Since input voltages in excess of the buffers’ supply voltage are permitted, the buffers may also be used to convert logic levels of up to 15 V to standard TTL levels.

4049 features and benefits

  • Accepts input voltages in excess of the supply voltage
  • Fully static operation
  • 5 V, 10 V, and 15 V parametric ratings
  • Standardized symmetrical output characteristics
  • Specified from -40°C to +85°C
  • Complies with JEDEC standard JESD 13-B

4049 applications

  • LOCMOS (Local Oxidation CMOS) to DTL/TTL converter
  • HIGH sink current for driving two TTL loads
  • HIGH-to-LOW level logic conversion

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