Product details

Technology family HCT Bits (#) 8 Rating Catalog Operating temperature range (°C) -55 to 125
Technology family HCT Bits (#) 8 Rating Catalog Operating temperature range (°C) -55 to 125
PDIP (N) 20 228.702 mm² (24.33 mm × 9.4 mm) SOIC (DW) 20 131.84 mm² (12.8 mm × 10.3 mm)
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SN74HC688 ACTIVE 8-Bit Identity/Magnitude Comparators (P=Q) with Enable Voltage range 2V to 6V, average propagation delay 20ns, average drive strength 8mA

Technical documentation

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* Data sheet CDx4HC688, CDx4HCT688 High-Speed CMOS Logic 8-Bit Magnitude Comparator datasheet (Rev. E) PDF | HTML Oct 13, 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
PDIP (N) 20 Ultra Librarian
SOIC (DW) 20 Ultra Librarian

Ordering & quality

Support & training

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