SN74HC245DWR Texas Instruments In Stock
SN74HC245DWR is a high-speed 8-bit bidirectional bus transceiver by Texas Instruments, featuring tri-state outputs and a direction control pin. Key specs: 3V–5.5V supply voltage, 35mA output current, SOIC-20 wide body package. From $0.1285, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $0.1285(MOQ 250)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74HC245DWR?
- 8-bit bidirectional data bus transceiver with tri-state outputs for easy bus sharing
- Wide supply voltage range of 2V to 6V ensures compatibility with various logic families
- High-speed operation with typical propagation delay of 7ns at 5V
- Direction (DIR) and Output Enable (OE) control pins for flexible bus management
- Low power CMOS technology with TTL-compatible inputs
What is SN74HC245DWR used for?
The SN74HC245DWR is widely used in microprocessor and microcontroller systems for bidirectional data bus buffering and level shifting between logic families. It is ideal for memory interfaces, I/O port expansion, and communication between different bus segments in industrial control systems and embedded designs. Its tri-state capability makes it suitable for shared bus architectures in computing and telecommunications equipment.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for SN74HC245DWR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the supply voltage range for the SN74HC245DWR?
The SN74HC245DWR operates over a supply voltage range of 2V to 6V, making it compatible with both 3.3V and 5V logic systems. This wide range allows flexible integration into a variety of digital circuit designs without additional level shifting.
How does the direction control work on the SN74HC245DWR?
The SN74HC245DWR uses a DIR pin to control the direction of data flow between its two 8-bit ports (A and B). When DIR is high, data flows from A to B; when DIR is low, data flows from B to A. The OE pin (active low) enables or disables all outputs, putting them into a high-impedance tri-state for bus sharing.
What package does the SN74HC245DWR use and what are its dimensions?
The SN74HC245DWR comes in a 20-pin SOIC wide body (DWR) surface-mount package. This package offers a good balance between board space efficiency and solderability, suitable for automated PCB assembly in high-volume production.
What are common applications for the SN74HC245DWR?
Common applications include bidirectional data bus buffering in microprocessor systems, memory interface expansion, I/O port multiplexing, and logic-level translation between different voltage domains. It is widely used in industrial controllers, embedded systems, and communication equipment.
Where can I buy the SN74HC245DWR and what is the price?
The SN74HC245DWR is available from authorized distributors starting at approximately $0.1285 per unit. FindMyChip offers in-stock inventory with worldwide shipping and competitive pricing for both small and large volume orders.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”