74HCT688DB,118
IC COMPARATOR IDENTITY 8B 20SSOPManufacturer: NXP USA Inc.
Categories: Comparators
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NXP USA Inc. 74HCT series 74HCT688DB-118 is an 8-bit identity comparator. This high-speed CMOS device features active-low outputs indicating when all corresponding input bits are equal (A=B). Designed for operation from 4.5V to 5.5V, it exhibits a maximum propagation delay of 34ns at 4.5V with a 50pF load. The device supports 4mA output current for both high and low states and has a quiescent current of 8 µA. Packaged in a 20-SSOP (0.209", 5.30mm Width) surface-mount configuration, it is supplied on tape and reel. The operating temperature range is -40°C to 125°C. This comparator finds application in digital systems requiring precise bit-wise comparison, including data routing, error detection, and system control within industrial automation and telecommunications.
Additional Information
Series: 74HCTRoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 20-SSOP (0.209"", 5.30mm Width) |
| Mounting Type | Surface Mount |
| Output | Active Low |
| Type | Identity Comparator |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Supply | 4.5V ~ 5.5V |
| Current - Quiescent (Iq) | 8 µA |
| Current - Output High, Low | 4mA, 4mA |
| Supplier Device Package | 20-SSOP |
| Max Propagation Delay @ V, Max CL | 34ns @ 4.5V, 50pF |
| Output Function | A=B |
| Number of Bits | 8 |
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