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Address: Room 405, Building A2, Niushang Zhigu, United Industrial Park, Fengtang Avenue, Shenzhen，Guangdong, China. Post code: 518100
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SN74HC540DW Buffer, Inverting 1 Element 8 Bit per Element 3-State
Output 20-SOIC
Specifications of SN74HC540DW
| TYPE | DESCRIPTION |
| Category | Integrated Circuits (ICs) |
| Logic | |
| Buffers, Drivers, Receivers, Transceivers | |
| Mfr | Texas Instruments |
| Series | 74HC |
| Package | Tube |
| Logic Type | Buffer, Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC |
| Base Product Number | 74HC540 |
Features of SN74HC540DW
• Wide operating voltage range of 2 V to 6 V
• High-current 3-state outputs drive bus lines directly or up to 15
LSTTL loads
• Low power consumption, 80-μA max ICC
• Typical tpd = 8 ns
• ±6-mA output drive at 5 V
• Low input current of 1 μA max
• Data flow-through pinout (all inputs on opposite side from
outputs)
Applications of SN74HC540DW
These octal buffers and line drivers feature the performance of the
popular ’HC240 series and offer a pinout with inputs and outputs on
opposite sides of the package. This arrangement greatly facilitates
printed circuit board layout.
Environmental & Export Classifications of SN74HC540DW
| ATTRIBUTE | DESCRIPTION |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
