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Technical Specifications
Parameters and characteristics for this part
| Specification | SN74F543NT |
|---|---|
| Current - Output High, Low | 24 mA, 64 mA, 3 mA, 15 mA |
| Mounting Type | Through Hole |
| Number of Bits per Element | 8 |
| Number of Elements | 1 |
| Operating Temperature [Max] | 70 °C |
| Operating Temperature [Min] | 0 °C |
| Output Type | 3-State |
| Package / Case | 0.3 in |
| Package / Case | 24-DIP |
| Package / Case | 7.62 mm |
| Supplier Device Package | 24-PDIP |
| Voltage - Supply [Max] | 5.5 V |
| Voltage - Supply [Min] | 4.5 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
Description
General part information
SN74F543 Series
The SN74F543 octal transceiver contains two sets of D-type latches for temporary storage of data flowing in either direction. Separate latch-enable (or) and output enable (or) inputs are provided for each register to permit independent control in either direction of data flow. The A outputs are characterized to sink 24 mA while the B outputs are characterized to sink 64 mA.
The A-to-B enable () input must be low in order to enter data from A or to output data from B. Havinglow andlow makes the A-to-B latches transparent; a subsequent low-to-high transition ofputs the A latches in the storage mode. Withandboth low, the 3-state B outputs are active and reflect the data present at the output of the A latches. Data flow from B to A is similar, but requires using the,, andinputs.
The SN74F543 is available in TI's shrink small-outline package (DB), which provides the same I/O pin count and functionality of standard small-outline packages in less than half the printed-circuit-board area.
Documents
Technical documentation and resources
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