SN74HC365DRE4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74HC365DRE4 is a hex buffer and line driver with 3-state outputs from Texas Instruments in the HC logic family, featuring dual active-low output enables, 2 V to 6 V supply range, 6 mA drive capability, and a 16-pin SOIC package for bus driving and data routing in digital systems.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- SN74HC365DRE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74HC365DRE4?
- 6-channel (hex) non-inverting buffer with 3-state tri-state outputs
- Dual independent active-low output enable pins for flexible bus control
- 2 V to 6 V supply voltage range covering both 3.3 V and 5 V logic systems
- 6 mA output current drive for 150 pF capacitive load driving
- HC CMOS family with fast propagation delay and low quiescent power
- 16-pin SOIC package with standard 1.27 mm pitch for easy PCB assembly
- Unidirectional data path for clean one-way bus buffering
- Compatible with LSTTL and CMOS logic level inputs
What is SN74HC365DRE4 used for?
The SN74HC365DRE4 is used in address bus buffering, data bus isolation, and output port expansion for 8-bit and 16-bit microcontroller systems where multiple devices share a common bus. Its dual output enable pins allow designers to connect two independent buses or create a 12-channel buffer from two cascaded devices, supporting applications in industrial PLCs, memory expansion boards, and FPGA I/O daughter cards. The 3-state output architecture prevents bus contention when the buffer is deselected, making it essential in multiplexed data acquisition and peripheral expansion circuits.
What are the specifications of SN74HC365DRE4?
| YTEOL | 0 |
| Additional Feature | WITH DUAL OUTPUT ENABLE |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | HC |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 150pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.006A |
| Number of Bits | 6 |
| Number of Functions | 1 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 24ns |
| Propagation Delay (tpd) | 150ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
Where can I find the SN74HC365DRE4 datasheet?
SN74HC365DRE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74HC365DRE4?
Compatible alternatives and drop-in replacements for SN74HC365DRE4:
Frequently Asked Questions
How do the dual output enable pins on SN74HC365DRE4 work, and how can they be used to control bus access?
The SN74HC365DRE4 has two active-low output enable inputs (OE1 and OE2). Both must be held low to activate the 6 outputs; pulling either high places all 6 channels in high-impedance 3-state mode. This allows two separate control signals — such as address decoder outputs — to jointly gate bus access, enabling address-mapped peripheral selection without external AND gates.
Can SN74HC365DRE4 drive a 150 pF bus capacitance, and what does this mean for typical PCB trace lengths?
Yes. The SN74HC365DRE4 is rated to drive 150 pF capacitive loads, which corresponds to typical PCB trace lengths of 10 cm to 15 cm on standard FR4 with 5 to 8 attached CMOS inputs. At 5 V with 6 mA output drive, the device can sustain full logic swing at typical bus switching frequencies up to several tens of megahertz.
Which supply voltage range does SN74HC365DRE4 support, and is it compatible with both 3.3 V and 5 V logic boards?
The SN74HC365DRE4 operates from 2 V to 6 V, making it directly compatible with 3.3 V and 5 V digital boards. Input thresholds scale with VCC, so 3.3 V CMOS signals are correctly recognized at a 5 V supply, and 5 V signals are valid when the part runs at 3.3 V — simplifying mixed-voltage bus buffering in legacy and modern system board combinations.
When replacing a 74LS365 in a legacy design, is SN74HC365DRE4 a pin-compatible drop-in, and are there timing differences to consider?
The SN74HC365DRE4 is pin-compatible with the 74LS365 in the 16-pin SOIC package and shares the same logic function and dual output enable pinout. The HC variant offers lower quiescent current (under 80 µA versus milliamps for LS), and typical propagation delay drops from 15 ns (LS at 5 V) to approximately 7 ns — a performance improvement requiring no PCB changes but may need hold-time review in tight timing margin designs.
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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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