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| Part Number | TC74LCX540FK(EL,K) | TC74LCX540FT(EL,M) | TC74LCX540FT(EL) | TC74LCX540F(EL,K,F | TC74LCX540FT(ELK,M |
| Manufacturer | Toshiba Semiconductor and Storage | Toshiba Semiconductor and Storage | Toshiba Semiconductor and Storage | Toshiba Semiconductor and Storage | Toshiba Semiconductor and Storage |
| Series | 74LCX | 74LCX | 74LCX | 74LCX | 74LCX |
| Package/Case | 20-VFSOP (0.118", 3.00mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 20-SOIC (0.209", 5.30mm Width) | 20-TSSOP (0.173", 4.40mm Width) |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Digi-Reel® | Tape & Reel (TR) | Tape & Reel (TR) |
| Product Status | Not For New Designs | Obsolete | Obsolete | Active | Obsolete |
| Logic Type | Buffer, Inverting | Buffer, Inverting | Buffer, Inverting | Buffer, Inverting | Buffer, Inverting |
| Number of Elements | 1 | 1 | 1 | 1 | 1 |
| Number of Bits per Element | 8 | 8 | 8 | 8 | 8 |
| Input Type | - | - | - | - | - |
| Output Type | 3-State | 3-State | 3-State | 3-State | 3-State |
| Current - Output High, Low | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA |
| Voltage - Supply | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Grade | - | - | - | - | - |
| Qualification | - | - | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | 20-VSSOP | 20-TSSOP | 20-TSSOP | 20-SOP | 20-TSSOP |
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