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General-purpose transceivers

SN74HC640

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Octal Bus Transceivers With 3-State Outputs

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Data sheet

SN74HC640

ACTIVE
Data sheet Order now

Product details

Number of channels 8 IOL (max) (mA) 7.8 IOH (max) (mA) -7.8 Input type CMOS Output type CMOS Features Balanced outputs, High speed (tpd 10-50ns), Positive input clamp diode Technology family HC Rating Catalog Operating temperature range (°C) -40 to 85
Number of channels 8 IOL (max) (mA) 7.8 IOH (max) (mA) -7.8 Input type CMOS Output type CMOS Features Balanced outputs, High speed (tpd 10-50ns), Positive input clamp diode Technology family HC Rating Catalog Operating temperature range (°C) -40 to 85
SOIC (DW) 20 131.84 mm² (12.8 mm × 10.3 mm) TSSOP (PW) 20 41.6 mm² (6.5 mm × 6.4 mm) SOP (NS) 20 98.28 mm² (12.6 mm × 7.8 mm) PDIP (N) 20 228.702 mm² (24.33 mm × 9.4 mm)
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Technical documentation

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* Data sheet SNx4HC640 Octal Bus Transceivers With 3-State Outputs datasheet (Rev. E) PDF | HTML Sep 6, 2022

Design & development

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Evaluation board

14-24-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin D, DB, DGV, DW, DYY, NS and PW packages

The 14-24-LOGIC-EVM evaluation module (EVM) is designed to support any logic device that is in a 14-pin to 24-pin D, DW, DB, NS, PW, DYY or DGV package,

User guide: PDF | HTML
Supported products & hardware
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Package Pins CAD symbols, footprints & 3D models
SOIC (DW) 20 Ultra Librarian
TSSOP (PW) 20 Ultra Librarian
SOP (NS) 20 Ultra Librarian
PDIP (N) 20 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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