Community. An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications. 74HCTD, Nexperia Buffers & Line Drivers OCTAL BUFFER 3-STATE datasheet, inventory, & pricing. 74HC; 74HCT Octal buffer/line driver; 3-state. Rev. 03 — 22 December Product data sheet. Table 1: Quick reference data. GND = 0 V; Tamb =

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Actually, it’s just the opposite. Test circuit for measuring switching times Table 9.

It is neither qualified nor tested in accordance with automotive testing or application requirements. So a 74 HCT is indeed the proper choice.

Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of V CC. The substrate is attached to this pad using conductive die attach material. Limiting values — Stress above one or more limiting values as defined in the Absolute Maximum Ratings System of IEC will cause permanent damage to the device.

74HCTD Datasheet pdf – Octal buffer, line driver; 3-state – NXP Semiconductors

Non-automotive qualified products — Unless this data sheet expressly states that 74hct244v specific NXP Semiconductors product is automotive qualified, the product is not suitable for automotive use. You might choose the 74HCT — that would give you 8 lines in a single package.


All referenced brands, product names, service names and trademarks are the property of their respective owners. So far I have just ignored this, and most of the time it works, but I would like to avoid the ‘unsafe’ feeling it gives me.

Search Search Cross reference Parametric search. Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC. I tried several HCT buffer type parts and all of 74hc244d worked! Right to make changes — NXP Semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice.

Sample orders normally take days for delivery.

74HC244; 74HCT244 Octal Buffer, Line Driver; 3-state

I’d prefer a chip with lines, not necessarily bidirectional. Translations — A non-English translated version of a document is for reference only.

Export might require a prior authorization from competent authorities. Sorry for the confusion. In my opinion the 74HCT “trick” isn’t really a trick, the voltage levels are right because the parts are designed that way.

However the mopst popular device in my arsenal, which will translate both ways, from a variety of voltages to a variety of voltages is the 74LVC8T Product specification — The information and data provided in a Product data sheet shall define the specification of the product as agreed between NXP Semiconductors and its customer, unless NXP Semiconductors and customer datsheet explicitly agreed otherwise in writing. Applications — Applications that are described herein for any of these products are for illustrative purposes only.


You can look at the data sheets how the logic high voltage is defined should be either 2 volts, 0. Recommended operating conditions Table 5.

74HCT244 Datasheet PDF

Normal logic-level output current is lower. Contents 1 2 3 4 5 5. Ordering information Table 1. This site uses cookies to store information on your computer. I haven’t seen any logic level converter in DIP packages. See Table 7 on page 6 of this data sheetunder “V IH “. If your external 74hxt244d are of 74HC or 74LS series, you can connect them safely and they will work reliably.

Ptot derates linearly with 5. Most 74HCT parts when run on 5V require 3. These are also nice level converters and in DIP package available too: There is no electrical or mechanical requirement to solder this pad.

The English version shall prevail in case of any discrepancy between the translated and English versions.