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Texas Instruments SN74AHCT367DGVRE4
- Part No.:
- SN74AHCT367DGVRE4
- Manufacturer:
- Texas Instruments
- Package:
- 16-TFSOP (0.173", 4.40mm Width)
- Datasheet:
-
SN74AHCT367DGVRE4.pdf
- Description:
- IC BUFF/DVR TRI-ST HEX 16TVSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
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Product details
Overview
SN74AHCT367DGVRE4 from Texas Instruments is a hex buffer and line driver with 3-state outputs, designed for memory address, clock, and bus-oriented applications. It features TTL-voltage-compatible inputs (VIH = 2 V, VIL = 0.8 V), true (noninverting) outputs, ±8 mA output drive at 5 V, and operates across –40°C to 125°C. Used in telecom infrastructure and network switches where controlled bus driving and voltage translation from 3.3 V logic to 5 V systems are required.
For engineers reviewing the SN74AHCT367DGVRE4 datasheet, SN74AHCT367DGVRE4 pinout, SN74AHCT367DGVRE4 application, or SN74AHCT367DGVRE4 equivalent, this page delivers verified technical context, real-world timing behavior (tPLH/tPHL ≤ 8.5 ns @ 50 pF), thermal metrics (RθJA = 124.5°C/W), latch-up immunity (>100 mA), and ESD robustness (±2000 V HBM/CDM) - all specific to the TVSOP-16 (DGV) package variant.
Technical Context
The SN74AHCT367DGVRE4 implements dual independent 3-state buffer groups: one 4-channel (1A1–1A4 → 1Y1–1Y4, enabled by 1OE) and one 2-channel (2A1–2A2 → 2Y1–2Y2, enabled by 2OE). Each channel passes noninverted data when its OE is low; outputs enter high-impedance state when OE is high. Input thresholds are optimized for TTL compatibility while operating on a 4.5–5.5 V supply.
It uses advanced CMOS technology with slow edge-rate control to minimize output ringing and overshoot, especially critical in lightly loaded bus environments. The device supports voltage translation from 3.3 V logic domains to 5 V buses without level shifters, thanks to VIH = 2 V and overvoltage-tolerant inputs (up to 5.5 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 4.5 V to 5.5 V - ensures stable operation in standard 5 V digital systems with ±10% supply tolerance. |
| VOH / VOL | ≥3.8 V / ≤0.44 V @ IOL = 8 mA - guarantees clean logic-high and logic-low levels under full load. |
| tPLH / tPHL | ≤8.5 ns @ CL = 50 pF - enables reliable timing in high-speed address/data bus buffering up to ~100 MHz. |
| IOZ (Off-State Leakage) | ±2.5 µA @ VCC = 5.5 V - minimizes bus contention risk when outputs are disabled. |
| ESD Rating | ±2000 V HBM & CDM - meets industrial-grade ESD immunity requirements per JESD22. |
| Latch-Up Immunity | >100 mA per JESD78 Class II - prevents destructive latch-up during transient overvoltage events. |
| Operating Temperature | –40°C to +125°C - supports deployment in extended-temperature industrial and telecom equipment. |
Pinout & Package
SN74AHCT367DGVRE4 is packaged in a 16-pin TVSOP (Thin Very Small Outline Package) with 0.65 mm pitch, body size 3.6 mm × 4.4 mm, and overall footprint 3.6 mm × 6.4 mm. This compact, surface-mount package supports high-density PCB layouts and automated assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 15 | 1OE, 2OE | Active-low output enable controls for Group 1 (4 channels) and Group 2 (2 channels); tie high via pull-up for power-up high-Z safety. |
| 2, 4, 6, 10, 12, 14 | 1A1–1A4, 2A1–2A2 | TTL-compatible digital inputs accepting 0.8 V / 2 V thresholds; tolerant up to 5.5 V regardless of VCC. |
| 3, 5, 7, 9, 11, 13 | 1Y1–1Y4, 2Y1–2Y2 | True (noninverting), 3-state CMOS outputs capable of ±8 mA drive; high-impedance when corresponding OE is high. |
| 8 | GND | Ground reference for all internal circuitry and output current return path. |
| 16 | VCC | Primary 4.5–5.5 V power supply; requires local 0.1 µF bypass capacitor adjacent to pin. |
Key Features
| Feature | Design Value |
|---|---|
| TTL-Voltage Compatibility | Accepts 0.8 V low / 2 V high input thresholds - eliminates need for external level shifters when interfacing with legacy 3.3 V or 5 V TTL logic. |
| Controlled Edge Rates | Slow rise/fall times (Δt/Δv ≤ 20 ns/V) suppress output ringing and EMI in unterminated or lightly loaded buses. |
| High-Noise Immunity | Dynamic noise margins: VOL(P) ≤ 0.4 V, VOH(V) ≥ 4.7 V - ensures robust signal integrity in electrically noisy telecom and industrial environments. |
| Low Power Consumption | ICC ≤ 40 µA (max) at 5.5 V - reduces static power draw in always-on system management and control logic. |
| Thermal Robustness | RθJA = 124.5°C/W (TVSOP) - enables operation at full rating in compact enclosures without forced airflow. |
Applications
| Telecom Infrastructure | Network Switches |
|---|---|
|
Use Scenario: Buffering address and control signals between FPGA-based packet processors and DDR memory or PHY interfaces in base station line cards. IC Role / Device Role / Timing Role: 3-state address driver enabling bidirectional bus sharing and isolation during memory refresh cycles. Use Value: Prevents bus contention during hot-swap events and ensures clean signal edges despite long trace lengths and variable capacitive loads. |
Use Scenario: Driving parallel control buses (e.g., MDIO, reset, LED status) across multiple ASICs in enterprise Ethernet switches. IC Role / Device Role / Timing Role: Hex noninverting buffer providing fan-out and noise margin enhancement for synchronous control distribution. Use Value: Delivers consistent 8.5 ns max propagation delay across temperature, ensuring deterministic timing alignment across 16+ switch ports. |
| Set Top Boxes | Electronic Points of Sale |
|
Use Scenario: Translating GPIO signals from 3.3 V SoC to 5 V peripheral interfaces (e.g., IR blaster, tuner control, HDMI CEC logic). IC Role / Device Role / Timing Role: Voltage-level translator and signal conditioner for mixed-voltage subsystem interconnect. Use Value: Eliminates discrete resistor-divider networks while maintaining TTL-compatible thresholds and low standby current (<40 µA). |
Use Scenario: Isolating and buffering keypad scan lines, display enable signals, and printer interface handshaking in retail POS terminals. IC Role / Device Role / Timing Role: 3-state line driver enabling shared bus arbitration between microcontroller and peripheral modules. Use Value: Supports hot-plug capability and fault containment via independent OE control per group, reducing system-level failure propagation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar hex buffer and 3-state line driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74AHCT244DBR | Octal (8-channel), same VCC range, identical VIH/VIL, but higher drive (±8 mA) and slightly slower tPLH/tPHL (≤9.5 ns @ 50 pF). | Better suited for wider data buses; requires more PCB area due to SSOP-20 package vs. TVSOP-16. | Select SN74AHCT244DBR only if octal buffering is needed; SN74AHCT367DGVRE4 remains optimal for space-constrained 6-signal routing. |
| 74LVC244APW,118 | Lower VCC range (1.65–3.6 V), 3.3 V native logic, ±24 mA drive, faster switching (≤5.5 ns), but no TTL input compatibility. | Designed for modern low-voltage systems; incompatible with 5 V buses or legacy TTL sources without level shifting. | Choose 74LVC244APW,118 for 3.3 V-only designs requiring higher drive; SN74AHCT367DGVRE4 is mandatory for 5 V bus interfacing with TTL inputs. |
Compared with SN74AHCT244DBR and 74LVC244APW,118, the SN74AHCT367DGVRE4 uniquely balances 5 V bus compatibility, TTL input acceptance, compact TVSOP packaging, and controlled edge rates - making it the preferred choice for legacy-aware, space-limited industrial and telecom signal routing.
Availability
SN74AHCT367DGVRE4 is available at Aetrix Electronics and suitable for telecom infrastructure, network switches, and electronic points of sale requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for SN74AHCT367DGVRE4 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies, with decades of experience in high-reliability logic and interface solutions.
The SN74AHCT367DGVRE4 belongs to TI's AHCT logic family, engineered for seamless 3.3 V-to-5 V voltage translation and robust 3-state bus driving in industrial and communications equipment.
FAQ
What is the maximum operating temperature for SN74AHCT367DGVRE4?
The SN74AHCT367DGVRE4 is rated for continuous operation from –40°C to +125°C ambient temperature. This extended range is validated per JEDEC JESD78 latch-up testing and thermal characterization (RθJA = 124.5°C/W), making it suitable for enclosed telecom chassis and industrial control cabinets without active cooling.
Does SN74AHCT367DGVRE4 support 3.3 V input logic levels?
Yes, SN74AHCT367DGVRE4 accepts 3.3 V logic inputs reliably: its VIH threshold is specified at 2 V min, and inputs tolerate up to 5.5 V regardless of VCC. This allows direct connection to 3.3 V microcontrollers or FPGAs driving 5 V buses without external level shifters.
What is the recommended bypass capacitor for SN74AHCT367DGVRE4?
A 0.1 µF ceramic capacitor placed as close as possible to the VCC (pin 16) and GND (pin 8) pins is required for stable operation. This mitigates high-frequency supply noise induced by simultaneous output switching, especially critical given the device's 8.5 ns max propagation delay and 50 pF load capability.
How does the output-enable logic work on SN74AHCT367DGVRE4?
SN74AHCT367DGVRE4 has two active-low output enables: 1OE (pin 1) controls Y1–Y4, and 2OE (pin 15) controls Y1–Y2. When either OE is low, its associated outputs pass noninverted inputs; when high, those outputs go high-impedance. For safe power-up, OEs should be pulled high via resistors to VCC.
Is SN74AHCT367DGVRE4 pin-compatible with other AHCT-series buffers?
No - SN74AHCT367DGVRE4 has a unique 16-pin functional allocation (dual 4+2 buffer groups with separate OEs). It is not pin-compatible with SN74AHCT244 (octal, 20-pin) or SN74AHCT125 (quad, 14-pin). Pin mapping must be verified against Figure 4-1 and Table 4-1 in the official datasheet SCLS418I.
SN74AHCT367DGVRE4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74AHCT
- Package/Case:
- 16-TFSOP (0.173", 4.40mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 2
- Number of Bits per Element:
- 2, 4 (Hex)
- Input Type:
- -
- Output Type:
- -
- Current - Output High, Low:
- 8mA, 8mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TVSOP
SN74AHCT367DGVRE4 FAQ
1.How can I place an order for SN74AHCT367DGVRE4 through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74AHCT367DGVRE4 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SN74AHCT367DGVRE4 reliable?
The price and inventory of SN74AHCT367DGVRE4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74AHCT367DGVRE4 is usually 5 days.
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Once your SN74AHCT367DGVRE4 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SN74AHCT367DGVRE4?
For technical support, including SN74AHCT367DGVRE4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74AHCT367DGVRE4 requirements.
6.How does Aetrix verify that SN74AHCT367DGVRE4 is sourced from the original manufacturer or authorized distributors?
All SN74AHCT367DGVRE4 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SN74AHCT367DGVRE4 meets industry standards.
7.What is the process for return or replacement of SN74AHCT367DGVRE4?
All SN74AHCT367DGVRE4 units undergo pre-shipment inspection (PSI). If there is an issue with SN74AHCT367DGVRE4, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SN74AHCT367DGVRE4 part is unused and in its original packaging.
Return procedure for SN74AHCT367DGVRE4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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