Catalog > Semiconductors > Integrated Circuits 74HCT688M1R IC Mag Counter 8-Bit SMD Part No: 74HCT688M1R 17.25 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Number of Bits: 8 bit Logic Function: A = B Output Type: Active Low Package/Case: PDIP-20 Propagation Delay Time: 32 ns Supply Voltage - Min: 4.5 V Supply Voltage - Max: 5.5 V Minimum Operating Temperature: - 55 C Maximum Operating Temperature: + 125 C Mounting Style: Through Hole Product: Digital Comparators Product Type: Logic Comparators