| Part Number | MT88L89AN1 | MT88L85AN1 | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Interface - Telecom | Interface - Telecom | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Function | DTMF Transceiver | DTMF Transceiver | 
| Interface | - | - | 
| Number of Circuits | 1 | 1 | 
| Voltage - Supply | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 
| Current - Supply | 3.1mA | 3.1mA | 
| Power (Watts) | - | - | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 24-SSOP (0.209", 5.30mm Width) | 24-SSOP (0.209", 5.30mm Width) | 
| Supplier Device Package | 24-SSOP | 24-SSOP |