EM74HC240D

EnergyMath

SOP-20L Inverters ROHS

Extended

energymath/EM74HC240D

Category: Inverters
Package: SOP-20L
Pins: 20

Overview

The EM74HC240D is an inverter made by EnergyMath in a SOP-20L package with 20 pins. SOP-20L Inverters ROHS.

PCBKit's library has its KiCad symbol (74xx:74HC240, from KiCad's library) and its footprint (Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, from KiCad's library), ready for a KiCad board. 9,295 are in stock at JLCPCB (part C54929593).

Symbol

74xx:74HC240From KiCad's library

Footprint

Package_SO:SOIC-20W_7.5x12.8mm_P1.27mmFrom KiCad's library

Parameters

Current - Output High(IOH): 7.8mA
Current - Output Low(IOL): 7.8mA
Input Logic Level - High: 1.5V~4.2V
Input Logic Level -Low: 500mV~1.8V
Input Type: StandardCMOS
Number of Circuits: 8
Operating Temperature: -40℃~+125℃
Output Logic Level - High: 1.9V~5.9V
Output Logic Level - Low: 100mV~330mV
Propagation Delay: 15ns@6V,50pF
Quiescent Current(Iq): 40uA
Series: 74HC
Voltage - Supply: 2V~6V
output type: Tri-State

Order codes

EM74HC240DLCSC C54929593

Pinout

The pins of the EM74HC240D
Pin	Name	Type
1	1OE	Input
2	1A0	Input
3	2Y0	Tri-state
4	1A1	Input
5	2Y1	Tri-state
6	1A2	Input
7	2Y2	Tri-state
8	1A3	Input
9	2Y3	Tri-state
10	GND	Power in
11	2A3	Input
12	1Y3	Tri-state
13	2A2	Input
14	1Y2	Tri-state
15	2A1	Input
16	1Y1	Tri-state
17	2A0	Input
18	1Y0	Tri-state
19	2OE	Input
20	VCC	Power in

Show this part on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/parts/energymath/EM74HC240D" title="EM74HC240D in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/parts/energymath/EM74HC240D.jpg" alt="EM74HC240D" width="1200" height="900">

A picture that opens the part, for a README

[![EM74HC240D](https://pcbkit.io/embed/parts/energymath/EM74HC240D.jpg?size=s)](https://pcbkit.io/parts/energymath/EM74HC240D)

Questions

Is there a KiCad symbol and footprint for the EM74HC240D?

Yes. The symbol is 74xx:74HC240 and the footprint Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the EM74HC240D?

SOP-20L, with 20 pins. Its footprint is drawn on this page.

Where can I order the EM74HC240D?

JLCPCB lists it as part C54929593, with 9,295 in stock; the sellers' links on this page open their listings.

What can replace the EM74HC240D?

Parts like it in the library: the 74AC11004DW by Texas Instruments, the SN74AHCT240DW by Texas Instruments, the 74HCT9114D by Nexperia and the 74ACT11004DW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.