74HC280D

74HC4520N NXP Semiconductors Dual 4-bit synchronous binary counter December 1990 74HC4520 NXP Semiconductors Dual 4-bit synchronous binary counter December 1990 74HC4520 NXP Semiconductors Dual 4-bit synchronous binary counter December 1990 74HC4520PW NXP Semiconductors Dual 4-bit synchronous binary counter December 1990 74HC4520DB NXP Semiconductors Dual 4-bit synchronous binary counter December 1990 74HC4520D NXP Semiconductors Dual 4-bit synchronous binary counter December 1990 74HC4515PW NXP Semiconductors 4-to-16 line decoder/demultiplexer with input latches; inverting September 1993 74HC4515N NXP Semiconductors 4-to-16 line decoder/demultiplexer with input latches; inverting September 1993