onsemi MM74HCT245MTC
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.52 | $1.52 |
| 15+ | $1.39 | $20.85 |
| 25+ | $1.36 | $34.00 |
| 50+ | $1.28 | $64.00 |
| 100+ | $1.13 | $113.00 |
| N+ | $0.23 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | 74HCT |
| Packaging | Tube | |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 7.2mA, 7.2mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP |
| ROHS |
The MM74HCT245MTC is a high-speed octal bus transceiver from Fairchild Semiconductor, designed for bidirectional data communication in 5V systems. Operating within the 74HCT logic family, it features non-inverting buffers with 3-state outputs, enabling efficient bus sharing. With a supply voltage range of 4.5V to 5.5V and a drive capability of 7.2mA, it ensures robust signal integrity. Housed in a compact 20-TSSOP package, this IC is ideal for memory interfacing, industrial controls, and general-purpose digital logic applications.
- TTL-Compatible Inputs: Directly interfaces with legacy TTL logic without extra components, simplifying design.
- 3-State Outputs: Allows multiple devices to share a bus safely, preventing data corruption.
- Wide Temperature Range (-40°C to 85°C): Suitable for industrial environments where temperature stability is critical.
- Compact TSSOP Package: Saves board space in dense designs while maintaining performance.
5V Bus Interfacing
Use the MM74HCT245MTC to interface between two 5V digital buses in microprocessor systems. Its 3-state outputs prevent bus contention when multiple devices share the same lines.
Memory Address/Data Buffering
Buffer address and data lines between a microcontroller and external memory. The 74HCT family ensures TTL-compatible levels, simplifying connection to legacy memory devices.
Peripheral Driver Isolation
Isolate a microcontroller from high-capacitance peripheral loads. The transceiver's high drive capability (7.2mA) maintains signal integrity over longer PCB traces.
Bidirectional Level Shifting (5V to 5V)
Connect two 5V logic systems with different drive strengths. The non-inverting transceiver allows data flow in both directions controlled by the direction pin.
Industrial Control Logic
In industrial controllers, buffer signals between logic controllers and power drivers. The -40°C to 85°C temperature range suits harsh environments.
Test Equipment Switching
Route test signals in automated test equipment. The 3-state outputs allow multiple sources to share a common measurement bus safely.
- Q: What is the logic family of the MM74HCT245MTC?
- A: It belongs to the 74HCT logic family, which is TTL-compatible and operates at 5V.
- Q: What is the function of this IC?
- A: It is a non-inverting octal bus transceiver with 3-state outputs, allowing bidirectional data flow.
- Q: How many channels does it have?
- A: It has 1 channel with 8 bits (octal), providing 8 bidirectional lines.
- Q: What is the output type?
- A: The outputs are 3-State, enabling connection to a shared bus without contention.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for 5V systems.
- Q: What package is available?
- A: It comes in a 20-TSSOP (Thin Shrink Small Outline Package) with a 4.40mm width.
- Q: What is the logic family of the MM74HCT245MTC?
- A: It belongs to the 74HCT logic family, which is TTL-compatible and operates at 5V.
- Q: What is the function of this IC?
- A: It is a non-inverting octal bus transceiver with 3-state outputs, allowing bidirectional data flow.
- Q: How many channels does it have?
- A: It has 1 channel with 8 bits (octal), providing 8 bidirectional lines.
- Q: What is the output type?
- A: The outputs are 3-State, enabling connection to a shared bus without contention.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for 5V systems.
- Q: What package is available?
- A: It comes in a 20-TSSOP (Thin Shrink Small Outline Package) with a 4.40mm width.

MM74HCT245MTC.pdf