74LS48N

Official

Digital

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Generic — 74LS48N

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Curated by CircuitSim

74LS48N schematic symbol
Details

Manufacturer

Generic


Part number

74LS48N


Pins

14


Used in

No circuits


Added

Jul 2026

About this component

A 14-pin BCD-to-seven-segment decoder/driver with four data inputs, seven segment outputs, and lamp-test, blanking, and ripple-blanking controls.

Parameters

Basic settings
2 parameters
ParameterNameDescriptionDefault

RISEDELAY

Rise delay

Time to wait before returning an output after the output goes from low to high.

1e-7 s

FALLDELAY

Fall delay

Time to wait before returning an output after the output goes from high to low.

1e-7 s

Pins

Pins
14 pins
NumberNameDescription

1

A

BCD input A (least-significant bit).

2

B

BCD input B.

3

C

BCD input C.

4

D

BCD input D (most-significant bit).

5

OA

Active-high segment A output.

6

OB

Active-high segment B output.

7

OC

Active-high segment C output.

8

OD

Active-high segment D output.

9

OE

Active-high segment E output.

10

OF

Active-high segment F output.

11

OG

Active-high segment G output.

12

~BI/RBO

Active-low blanking input and ripple-blanking output.

13

~LT

Active-low lamp-test input.

14

~RBI

Active-low ripple-blanking input.

Public circuits using this component

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