STMicroelectronics · Other integrated circuits
M74HCT688B1R
IC COMPARATOR IDENTITY 8B 20DIP
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M74HCT688B1R specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | M74HCT688B1R |
| Family | Other integrated circuits |
| Package | 20-DIP (0.300", 7.62mm) |
| Product Status | Obsolete |
| Type | Identity Comparator |
| Number of Bits | 8 |
| Output | Active Low |
| Output Function | A=B |
| Voltage - Supply | 4.5V ~ 5.5V |
| Current - Output High, Low | 4mA, 4mA |
| Max Propagation Delay @ V, Max CL | 32ns @ 4.5V, 50pF |
| Current - Quiescent (Iq) | 4 µA |
| Operating Temperature | -55°C ~ 125°C |
| Package / Case | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-DIP |
| Mounting Type | Through Hole |
Documents and evidence
M74HCT688B1R ↗Before sourcing M74HCT688B1R
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
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