| Part Number | LTC1555CGN#TRPBF | LTC1556CGN#TRPBF | 
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | 
| Category | Logic - Translators, Level Shifters | Logic - Translators, Level Shifters | 
|   |   | |
| Product Status | Active | Active | 
| Translator Type | Voltage Level | Voltage Level | 
| Channel Type | Bidirectional | Bidirectional | 
| Number of Circuits | 1 | 1 | 
| Channels per Circuit | 1 | 1 | 
| Voltage - VCCA | 1.8 V ~ 5.5 V | 1.8 V ~ 5.5 V | 
| Voltage - VCCB | 2.7 V ~ 10 V | 2.7 V ~ 10 V | 
| Input Signal | - | - | 
| Output Signal | - | - | 
| Output Type | Open Drain | Open Drain | 
| Data Rate | - | - | 
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 
| Features | SIM Card Interface, Thermal-Shutdown Protection | SIM Card Interface, Thermal-Shutdown Protection | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 16-SSOP (0.154", 3.90mm Width) | 20-SSOP (0.154", 3.90mm Width) | 
| Supplier Device Package | 16-SSOP | 20-SSOP |