Philips Semiconductors Linear Products Product specification LED decoder/driver NE587 DESCRIPTION The NE587 is a latch/decoder/driver for 7-segment common anode LED displays.
The NE587 has a programmable current output up to 50mA which is essentially independent of output voltage, power supply voltage, and temperature.
The data (BCD) inputs and LE (latch enable) input are low-loading so that they are compatible with any data bus system.
The 7-segment decoding is implemented with a ROM so that alternative fonts can be made available.
PIN CONFIGURATIONS N Package D1 D2 LE BI/RBO RBI 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 VCC f g a b c d e POWER GND FEATURES • Latched BCD inputs • ...

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