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The device can be used as two 4-bit buffers or one 8-bit buffer. The device features two output enables 1OE and 2OE , each controlling four of the 3-state outputs. Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC. Features and benefits? Input levels:? Octal bus interface? Non-inverting 3-state outputs?
ESD protection:? Multiple package options? Specified from? C and? Ordering information Table 1. C SO20 plastic small outline package; 20 leads; body width 7.
C SSOP20 plastic shrink small outline package; 20 leads; body width 5. Nexperia B. Pinning information 5. The substrate is attached to this pad using conductive die attach material.
There is no electrical or mechanical requirement to solder this pad. However, if it is soldered, the solder land should remain floating or be connected to GND. Fig 5. Functional description Table 3. Limiting values Table 4. C, Ptot derates linearly with 4. Recommended operating conditions Table 5. Static characteristics Min Typ Max Unit 4. C Table 6. Symbol Parameter Conditions 25?
A CI input capacitance - 3. ICC additional per input pin; - 70 - - ? Dynamic characteristics Table 7. C Unit Max Max 85? C ? C Unit Max Max Max 85? Measurement points are given in Table 8. VCC 1. VCC 0. VCC VY 0. Test data is given in Table 9. Test circuit for measuring switching times Table 9. Abbreviations Table Revision history Table The format of this data sheet has been redesigned to comply with the new identity guidelines of NXP Semiconductors.
Legal texts have been adapted to the new company name where appropriate. Legal information This document contains data from the preliminary specification. This document contains the product specification. The content is still under internal review and subject to formal approval, which may result in modifications or additions. Nexperia does not give any representations or warranties as to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information.
Short data sheet — A short data sheet is an extract from a full data sheet with the same product type number s and title. A short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. For detailed and full information see the relevant full data sheet, which is available on request via the local Nexperia sales office. In case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail.
Product specification — The information and data provided in a Product data sheet shall define the specification of the product as agreed between Nexperia and its customer, unless Nexperia and customer have explicitly agreed otherwise in writing.
In no event however, shall an agreement be valid in which the Nexperia product is deemed to offer functions and qualities beyond those described in the Product data sheet. However, Nexperia does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information.
Nexperia takes no responsibility for the content in this document if provided by an information source outside of Nexperia. In no event shall Nexperia be liable for any indirect, incidental, punitive, special or consequential damages including - without limitation - lost profits, lost savings, business interruption, costs related to the removal or replacement of any products or rework charges whether or not such damages are based on tort including negligence , warranty, breach of contract or any other legal theory.
Right to make changes — Nexperia 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. This document supersedes and replaces all information supplied prior to the publication hereof. Suitability for use — Nexperia products are not designed, authorized or warranted to be suitable for use in life support, life-critical or safety-critical systems or equipment, nor in applications where failure or malfunction of a Nexperia product can reasonably be expected to result in personal injury, death or severe property or environmental damage.
Applications — Applications that are described herein for any of these products are for illustrative purposes only. Nexperia makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. Customers are responsible for the design and operation of their applications and products using Nexperia products, and Nexperia accepts no liability for any assistance with applications or customer product design.
Customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products. Nexperia does not accept any liability in this respect. 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. Limiting values are stress ratings only and proper operation of the device at these or any other conditions above those given in the Recommended operating conditions section if present or the Characteristics sections of this document is not warranted.
Constant or repeated exposure to limiting values will permanently and irreversibly affect the quality and reliability of the device.
In case an individual agreement is concluded only the terms and conditions of the respective agreement shall apply. No offer to sell or license — Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights.
Export might require a prior authorization from competent authorities. Non-automotive qualified products — Unless this data sheet expressly states that this specific Nexperia product is automotive qualified, the product is not suitable for automotive use. It is neither qualified nor tested in accordance with automotive testing or application requirements.
Translations — A non-English translated version of a document is for reference only. The English version shall prevail in case of any discrepancy between the translated and English versions. Contents 1 General description.
74HC244N DATASHEET PDF
74HC244; 74HCT244 Octal Buffer, Line Driver; 3-state
74HC244N PDF Datasheet浏览和下载