 
                        
| Parameters | |
|---|---|
| Mfr | onsemi | 
| Series | - | 
| Product Status | Obsolete | 
| Display Type | - | 
| Configuration | - | 
| Interface | - | 
| Digits or Characters | - | 
| Voltage - Supply | - | 
| Operating Temperature | - | 
| Mounting Type | Through Hole | 
| Package / Case | 18-DIP | 
| Supplier Device Package | 18-DIP | 
| Base Product Number | MM74C91 | 
| RoHS Status | RoHS non-compliant | 
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 
| REACH Status | REACH Unaffected | 
| ECCN | EAR99 | 
| HTSUS | 8542.39.0001 | 
| Standard Package | 20 |