Please send RFQ , we will respond immediately.
| Part Number | SN74LS644DW | SN74LS645DW | SN74LS646DW | SN74LS648DW | SN74LS640DW | SN74LS641DW | SN74LS642DW |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Obsolete | Active | Active | Active |
| Logic Type | - | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Inverting | Transceiver, Inverting | Transceiver, Non-Inverting | Transceiver, Inverting |
| Number of Elements | - | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of Bits per Element | - | 8 | 8 | 8 | 8 | 8 | 8 |
| Input Type | - | - | - | - | - | - | - |
| Output Type | - | 3-State | 3-State | 3-State | 3-State | Open Collector | Open Collector |
| Current - Output High, Low | - | 15mA, 24mA | 15mA, 24mA | 15mA, 24mA | 15mA, 24mA | -, 24mA | -, 24mA |
| Voltage - Supply | - | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Operating Temperature | - | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | - | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | - | 20-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | - | 20-SOIC | 24-SOIC | 24-SOIC | 20-SOIC | 20-SOIC | 20-SOIC |
