HD74LS248 Datasheet (Renesas) - BCD-to-Seven-Segment Decoder / Driver

HD74LS248, BCD-to-Seven-Segment Decoder / Driver

HD74LS248 BCD-to-Seven-Segment Decoder / Driver (internal pull-up outputs) REJ03D0466 0300 Rev.3.00 Jul.15.2005 The HD74LS248 is electrically and functionally identical to the HD74LS48, respectively, and has the same pin assignments as its equivalents.

It can be used interchangeably in present or future designs to offer designers a choice between two indicator fonts.

The HD74LS48 composes the 6 and the 9 without tails and the HD74LS248 composes the 6 and the 9 with tails.

Composition

HD74LS248 Features

* active-low outputs designed for driving indicators directly. All of the circuits have full ripple-blanking input / output controls and a lamp test input. Segment identification and resultant displays are shown below. Display patterns for BCD input count above 9 are unique symbols to authenticate inp