| Part Numbers | Manufacturer Name | Datasheet | Type | Input | Frequency - Max | Voltage - Supply | Operating Temperature | Mounting Type | Package / Case |
|---|---|---|---|---|---|---|---|---|---|
| KR3225Y32768EAW30TAA | AVX CORP | Clock/Calendar | - | - | 1.3 V ~ 5.5 V | -40°C ~ 85°C | Surface Mount | 8-SMD | |
| AB-RTCMK-32.768KHZ-T | ABRACON CORP | Clock/Calendar | - | - | 1.3 V ~ 5.5 V | -40°C ~ 85°C | Surface Mount | 8-VDFN Exposed Pad | |
| AB-RTCMK-32.768KHZ-T3 | ABRACON CORP | Clock/Calendar | - | - | 1.3 V ~ 5.5 V | -40°C ~ 85°C | Surface Mount | 8-VDFN Exposed Pad | |
| PT7C43390LEX | PERICOM SEMICONDUCTOR CORP | Clock/Calendar | - | - | 1.3 V ~ 5.5 V | -40°C ~ 85°C | - | - | |
| PT7C43390LE | PERICOM SEMICONDUCTOR CORP | Clock/Calendar | - | - | 1.3 V ~ 5.5 V | -40°C ~ 85°C | - | - | |
| PT7C43390WEX | PERICOM SEMICONDUCTOR CORP | Clock/Calendar | - | - | 1.3 V ~ 5.5 V | -40°C ~ 85°C | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | |
| S-35390A-I8T1G | SEIKO INSTRUMENTS USA INC | Clock/Calendar | - | - | 1.3 V ~ 5.5 V | -40°C ~ 85°C | Surface Mount | 8-SMD, Flat Lead | |
| S-35190A-J8T1G | SEIKO INSTRUMENTS USA INC | Clock/Calendar | - | - | 1.3 V ~ 5.5 V | -40°C ~ 85°C | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | |
| S-35190A-T8T1G | SEIKO INSTRUMENTS USA INC | Clock/Calendar | - | - | 1.3 V ~ 5.5 V | -40°C ~ 85°C | Surface Mount | 8-TSSOP (0.173", 4.40mm Width) | |
| S-35190A-I8T1G | SEIKO INSTRUMENTS USA INC | Clock/Calendar | - | - | 1.3 V ~ 5.5 V | -40°C ~ 85°C | Surface Mount | 8-SMD, Flat Lead |
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