| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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38 pcs
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38 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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| Propagation Delay |
The HAR CD74HC245E is a high-speed octal three-state bidirectional transceiver designed for asynchronous communication between data buses. It provides high drive current outputs for fast operation with large bus capacitances, combining low power consumption with LSTTL-comparable speeds.
Key electrical specifications include a typical propagation delay of 9ns (A to B, B to A) at VCC = 5V, CL = 15pF, TA = 25°C. The device supports a wide operating temperature range from -55°C to 125°C. For HC types, the operating voltage is 2V to 6V, while HCT types operate from 4.5V to 5.5V and offer direct LSTTL input logic compatibility.
Fanout capabilities include 10 LSTTL loads for standard outputs and 15 LSTTL loads for bus driver outputs. The transceiver allows data transmission between the A and B buses, with direction controlled by the DIR input and outputs placed in a high-impedance state by the OE input when high.
Packaged in a 20-pin PDIP, the CD74HC245E is suitable for various bus interface applications where high-speed, low-power bidirectional data transfer is required.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.30 | $0.30 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The typical propagation delay from A to B or B to A is 9ns at VCC = 5V, CL = 15pF, and TA = 25°C.
The operating temperature range is -55°C to 125°C.
For HC types, the operating voltage is 2V to 6V. For HCT types, it is 4.5V to 5.5V.
Standard outputs have a fanout of 10 LSTTL loads, and bus driver outputs have a fanout of 15 LSTTL loads.
The CD74HC245E is available in a 20-pin PDIP package.