SN74HCT245DBRIn StockTexas Instruments
The SN74HCT245DBR is an 8-bit non-inverting bidirectional bus transceiver from Texas Instruments, featuring HCT CMOS logic with 5V supply, 150pF load capacitance, and 6mA output current. Ideal for bus buffering and level translation in microcontroller and digital logic systems. From $0.1166, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- SN74HCT245DBR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1166(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit non-inverting bidirectional bus transceiver with common direction control
- HCT CMOS technology: 5V supply voltage, TTL-compatible inputs for seamless logic interfacing
- Low output impedance supports 150pF load capacitance and 6mA sink/source current
- 20-pin SSOP package for compact PCB designs with RoHS-compliant (Pb-free) construction
- Wide operating temperature range suitable for industrial and consumer applications
Applications
The SN74HCT245DBR is widely used as a bus buffer and line driver in microprocessor and microcontroller systems, enabling bidirectional data transfer between data buses with different drive strengths. It is commonly deployed in memory interfaces, backplane bus buffering, and I/O expansion circuits where TTL-compatible logic translation is required. Its HCT CMOS family compatibility also makes it suitable for battery-powered portable devices and industrial control systems demanding low power and reliable signal integrity.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Control Type | COMMON CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | HCT |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 150pF |
| Logic IC Type | BUS TRANSCEIVER |
| Max I(ol) | 0.006A |
| Number of Bits | 8 |
| Number of Functions | 8 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Packing Method | TR, 13 INCH |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 28ns |
| Propagation Delay (tpd) | 38ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## SN74HCT245DBR Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74HCT245DBR:
suggested
suggested
Frequently Asked Questions
What is the supply voltage and logic family of the SN74HCT245DBR?
The SN74HCT245DBR operates on a 5V supply voltage and belongs to the HCT CMOS logic family, which provides TTL-compatible input thresholds. It can sink up to 6mA of output current and support a load capacitance of 150pF, making it reliable for standard digital bus interfaces.
What are typical applications for the SN74HCT245DBR bus transceiver?
This device is commonly used for bidirectional data bus buffering between microprocessors and peripheral devices, memory interface circuits, backplane data transfer, and I/O port expansion. Its 8-bit width and non-inverting operation make it suitable for address/data bus isolation in embedded systems and industrial controllers.
What package does the SN74HCT245DBR come in and are there alternative packages available?
The SN74HCT245DBR comes in a 20-pin SSOP (Small Shrink Outline Package), which is compact and suitable for surface-mount PCB designs. Texas Instruments also offers the SN74HCT245 in other packages such as SOIC (DW suffix) and TSSOP, depending on board space and thermal requirements.
Is the SN74HCT245DBR RoHS compliant and what is its JEDEC code?
Yes, the SN74HCT245DBR is RoHS compliant with a Pb-free code of 'Yes' and JESD-609 code e4. Its JEDEC package code is R-PDSO-G20, confirming it meets environmental standards for use in modern green electronics manufacturing.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.3690 | $0.37 |
| 25+ | $0.1765 | $4.41 |
| 100+ | $0.1530 | $15.30 |
| 250+ | $0.1166 | $29.15 |
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