DM7880 decoder/driver equivalent, high voltage 7-segment decoder/driver.
desiring other fonts, or not using standard BCD coding, the ROM contents can be custom modified to produce any 16 output.
The DM7880/DM8880 is custom designed to decode four lines of BCD and drive a gas-filled seven-segment display tube.
The design employs a 112-bit read-only memory which provides BCD Input to full hexadecimal output decoding In the standard DM7880/DM8.
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