STMicroelectronics M74HC688TTR Comparators Logic
IC COMPARATOR EQUALITY 20TSSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
M74HC688TTR
Detailed Description
IC COMPARATOR EQUALITY 20TSSOP
Package
20-TFSOP (0.173", 4.40mm Width)
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
M74HC688TTR Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics M74HC688TTR Comparators Logic technical specifications.
General
Package / Case
20-TFSOP
Mounting Type
Surface Mount
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 (M74HC688TTR 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-TFSOP | 20-DIP | 16-DIP | 20-SOIC |
| Mounting Type | Surface Mount | 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 |
More Parts in Logic Comparators
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.