Texas Instruments CD54HCT688F3A Digital Comparators
8-Bit Identity/Magnitude Comparators (P=Q) with Enable

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
CD54HCT688F3A
Series
Detailed Description
8-Bit Identity/Magnitude Comparators (P=Q) with Enable
Package
20-CDIP (0.300", 7.62mm)
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
CD54HCT688F3A Datasheet
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Technical Specifications
Texas Instruments CD54HCT688F3A Digital Comparators technical specifications.
General
Series
54HCT
Package / Case
20-CDIP
Mounting Type
Through Hole
Operating Temperature
-55°C ~ 125°C
Supply Voltage
4.5V ~ 5.5V
Type
Identity Comparator
Output
Active Low
Number of Bits
8
Current Output High Low
4mA, 4mA
Output Function
A=B
Alternate Parts Comparison (CD54HCT688F3A vs CD54HCT245F vs CD54HCT08F3A vs CD54HCT04F)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Series | 54HCT | -- | -- | -- |
| Package / Case | 20-CDIP | -- | -- | -- |
| Mounting Type | Through Hole | -- | -- | -- |
| Operating Temperature | -55°C ~ 125°C | -- | -- | -- |
| Supply Voltage | 4.5V ~ 5.5V | -- | -- | -- |
| Current Output High Low | 4mA, 4mA | -- | -- | -- |
| Max Propagation Delay V Max Cl | 34ns @ 4.5V, 50pF | -- | -- | -- |
| Number of Bits | 8 | -- | -- | -- |
| Output | Active Low | -- | -- | -- |
| Output Function | A=B | -- | -- | -- |
| Quiescent Current | 8 µA | -- | -- | -- |
| Type | Identity Comparator | -- | -- | -- |
| Action |
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