Category: 74 series Digital Integrated Circuits
Description： 8-bit magnitude comparator
Price range ($)
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- 74HC688 8-bit magnitude comparator
74HC688 has several brands around the world that may have alternate names for 74HC688 due to regional differences or acquisition. 74HC688 may also be known as the following names:
8-bit magnitude comparator
≥1: US $1.74375 US $1.56938
≥5: US $1.55000 US $1.39500
≥10: US $0.96875 US $0.87187
≥20: US $0.81375 US $0.73238
≥50: US $0.77500 US $0.69750
≥100: US $0.73625 US $0.66262
≥200: US $0.69750 US $0.62775
≥500: US $0.65875 US $0.59287
≥1000: US $0.62000 US $0.55800
8-bit magnitude comparator
≥5: US $0.27972 US $0.25175
≥100: US $0.25641 US $0.23077
≥500: US $0.23310 US $0.20979
8-bit magnitude comparator
≥5: US $0.37296 US $0.33566
≥100: US $0.34188 US $0.30769
≥500: US $0.31080 US $0.27972
≥1: US $0.68376 US $0.61538
The MC54/74HC688 is identical in pinout to the LS688.The device inputs are compatible with standard CMOS outputs;
with pullup resistors, they are compatible with LSTTL outputs. The HC688 compares two 8–bit binary or BCD words and
indicates whether or not they are equal. By using the Cascade Input, two or more of the devices may be cascaded to
compare words of more than 8 bits.
> Output Drive Capability: 10 LSTTL Loads
> Outputs Directly Interface to CMOS, NMOS, and TTL
> Operating Voltage Range: 2 to 6 V
> High Noise Immunity Characteristic of CMOS Devices
> Chip Complexity: 116 FETs or 29 Equivalent Gates
Express:(FEDEX, UPS, DHL, TNT)Free shipping on first 0.5kg for orders over 150$,Overweight will be charged separately
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