STMicroelectronics M74HC688B1R Comparators Logic
IC COMPARATOR EQUALITY 8B 20DIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
M74HC688B1R
Detailed Description
IC COMPARATOR EQUALITY 8B 20DIP
Package
20-DIP (0.300", 7.62mm)
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
M74HC688B1R Datasheet
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Technical Specifications
STMicroelectronics M74HC688B1R Comparators Logic technical specifications.
General
Package / Case
20-DIP
Mounting Type
Through Hole
Operating Temperature
-55°C ~ 125°C
Supply Voltage
2V ~ 6V
Type
Identity Comparator
Output
Active Low
Number of Bits
8
Current Output High Low
5.2mA, 5.2mA
Output Function
A=B
Max Propagation Delay V Max Cl
29ns @ 6V, 50pF
Alternate Parts Comparison (M74HC688B1R vs SN74ALS518N vs CD4585BE vs MM74HC688WMX)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-DIP | 20-DIP | 16-DIP | 20-SOIC |
| Mounting Type | Through Hole | Through Hole | Through Hole | Surface Mount |
| Operating Temperature | -55°C ~ 125°C | 0°C ~ 70°C | -55°C ~ 125°C | -40°C ~ 85°C |
| Supply Voltage | 2V ~ 6V | 4.5V ~ 5.5V | 3V ~ 18V | 2V ~ 6V |
| Current Output High Low | 5.2mA, 5.2mA | 100µA, 24mA | 4.2mA, 4.2mA | 5.2mA, 5.2mA |
| Max Propagation Delay V Max Cl | 29ns @ 6V, 50pF | 33ns @ 5V, 50pF | 160ns @ 15V, 50pF | 30ns @ 6V, 50pF |
| Number of Bits | 8 | 8 | 4 | 8 |
| Output | Active Low | Active High | Active High | Active Low |
| Output Function | A=B | A=B | A<B, A=B, A>B | A=B |
| Type | Identity Comparator | Identity Comparator | Magnitude Comparator | Identity Comparator |
| Quiescent Current | 4 µA | -- | 100 µA | 8 µA |
| Lifecycle Status | -- | Active | Active | Obsolete |
| Action |
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