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Texas Instruments SN74ABT541BIPWREP
- Part No.:
- SN74ABT541BIPWREP
- Manufacturer:
- Texas Instruments
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
SN74ABT541BIPWREP.pdf
- Description:
- IC BUFF NON-INVERT 5.5V 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,192
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Product details
Overview
SN74ABT541BIPWREP from Texas Instruments is an octal noninverting buffer/line driver with 3-state outputs, designed for bus interface and memory address buffering in industrial control and embedded systems. It features dual active-low output-enable inputs (OE1, OE2), high-drive capability (−32 mA IOH / 64 mA IOL), low output ground bounce (<1 V), and guaranteed high-impedance state during power-up/down (VCC = 0–2.1 V).
For engineers reviewing the SN74ABT541BIPWREP datasheet, SN74ABT541BIPWREP pinout, SN74ABT541BIPWREP application, or SN74ABT541BIPWREP equivalent, key selection criteria include 20-pin TSSOP packaging, ±100 µA off-state leakage, 1.5–3.9 ns propagation delay, latch-up immunity >500 mA, and compatibility with 5-V TTL/CMOS logic families.
Technical Context
This device implements EPIC-IIB BiCMOS architecture to reduce dynamic power while maintaining TTL-compatible input thresholds (VIH = 2 V min, VIL = 0.8 V max) and rail-to-rail output swing under load. Its dual AND-gated 3-state control enables independent channel enable/disable coordination across eight parallel data paths.
Input and output pins are placed on opposite sides of the 20-pin TSSOP package to simplify PCB routing for bidirectional bus applications. The device maintains high-impedance outputs when either OE1 or OE2 is high, and enters a guaranteed Hi-Z state during VCC ramp from 0 to 2.1 V-critical for hot-swap and power sequencing robustness.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 4.5 V to 5.5 V - Ensures stable operation across standard 5-V supply tolerances. |
| IOH / IOL | −32 mA / 64 mA - Drives heavy capacitive loads (e.g., long traces, multiple TTL inputs) without signal degradation. |
| tPLH / tPHL | 1 ns (min) to 3.9 ns (max) - Supports high-speed address/data buffering up to ~250 MHz system timing margins. |
| IOZPU / IOZPD | ±50 µA - Guarantees minimal leakage current during power transitions, preventing false logic states. |
| VIK | −1.2 V - Withstands negative input transients common in noisy industrial environments. |
| θJA | 128°C/W - Enables thermal management in compact industrial enclosures without forced airflow. |
| Operating Temp | −40°C to +85°C - Qualified for extended temperature operation per enhanced DMS pedigree and JEDEC JESD-17. |
Pinout & Package
TSSOP-20 (PW) package: 6.5 mm × 4.4 mm body, 0.65 mm pitch, 1.2 mm max height, RoHS-compliant NiPdAu finish, MSL Level-1 (260°C, unlimited reflow).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5, 6, 7, 8 | A1–A8 Inputs | Noninverting data inputs; TTL-compatible thresholds ensure reliable interfacing with legacy microcontrollers and FPGAs. |
| 11, 12, 13, 14, 15, 16, 17, 18 | Y1–Y8 Outputs | High-drive buffered outputs; support fan-out of ≥10 standard TTL loads with controlled edge rates. |
| 9 | GND | Ground reference for all I/O and internal logic; separate from power plane to minimize noise coupling. |
| 10 | VCC | 5-V supply input; decoupling capacitor placement near this pin is critical for suppressing VOLP <1 V. |
| 19 | OE1 | Active-low output-enable input; tied low with OE2 to activate all outputs; high disables entire bank. |
| 20 | OE2 | Second active-low output-enable input; forms 2-input AND gate with OE1 for flexible enable control. |
Key Features
| Feature | Design Value |
|---|---|
| EPIC-IIB BiCMOS Process | Reduces dynamic power consumption vs. standard bipolar TTL while retaining speed and drive strength. |
| Guaranteed Power-Up/Down Hi-Z | Outputs remain high-impedance from VCC = 0 V to 2.1 V-eliminates bus contention during supply ramping. |
| Latch-Up Immunity | Exceeds 500 mA per JEDEC JESD-17-ensures survivability in harsh ESD and surge environments. |
| Low Output Ground Bounce | VOLP <1 V at VCC = 5 V, TA = 25°C-preserves signal integrity on shared ground planes. |
| Input Clamp Diodes | VIK = −1.2 V supports transient suppression without external protection components. |
Applications
| Industrial PLC Backplane Interface | Memory Address Buffering |
|---|---|
|
Use Scenario: Isolating CPU address bus from distributed I/O modules in modular programmable logic controllers. IC Role / Device Role / Timing Role: Octal noninverting buffer with 3-state control enables time-multiplexed access to shared memory-mapped peripherals. Use Value: High-drive outputs (64 mA IOL) drive long backplane traces; dual OE inputs allow synchronized enable/disable across multiple SN74ABT541BIPWREP devices. |
Use Scenario: Buffering 8-bit address lines between microcontroller and external SRAM or EPROM in embedded instrumentation. IC Role / Device Role / Timing Role: Low-propagation-delay (≤3.9 ns) noninverting driver ensures setup/hold timing margin for asynchronous memory read cycles. Use Value: Guaranteed Hi-Z during power-up prevents address bus contention before CPU initialization completes. |
| Test Equipment Signal Conditioning | Legacy Bus Extender Module |
|
Use Scenario: Level-shifting and driving 5-V TTL signals from FPGA I/O banks in automated test equipment. IC Role / Device Role / Timing Role: Input-compatible with 3.3-V LVTTL logic (VIH = 2 V min); outputs meet full 5-V TTL VOH/VOL specs. Use Value: Eliminates need for discrete level translators; ±50 µA off-state leakage minimizes standby current in multi-channel systems. |
Use Scenario: Extending ISA or similar 8-bit parallel buses across daughterboards in ruggedized computing platforms. IC Role / Device Role / Timing Role: Bidirectional bus driver with side-separated I/O layout simplifies trace routing and reduces crosstalk. Use Value: Robust latch-up immunity (>500 mA) withstands field-induced transients; TSSOP-20 footprint supports high-density board layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal buffer/line driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74ABT541BPWRE | Commercial-grade version (0°C to 70°C); identical pinout, electrical specs, and TSSOP-20 package. | Not qualified for extended temperature or enhanced reliability testing (no DMS pedigree or HAST qualification). | Select SN74ABT541BPWRE only for non-critical commercial applications where cost sensitivity outweighs environmental robustness. |
| SN74ABT541BQ1 | Automotive Q100-qualified variant; same functionality and pinout, but with AEC-Q100 Grade 2 (−40°C to +105°C) validation. | Includes additional automotive-specific stress tests (e.g., bias HAST, temperature cycling) beyond industrial requirements. | Choose SN74ABT541BQ1 for automotive ECUs or safety-related subsystems requiring zero-defect reliability certification. |
Compared with SN74ABT541BPWRE and SN74ABT541BQ1, the SN74ABT541BIPWREP delivers verified industrial temperature range (−40°C to +85°C), enhanced DMS support, and JEDEC JESD-17 latch-up compliance-making it optimal for long-lifecycle industrial automation and defense programs where supply continuity and reliability are mandatory.
Availability
SN74ABT541BIPWREP is available at Aetrix Electronics and suitable for industrial PLC backplanes, memory address buffering, test equipment signal conditioning, and legacy bus extender modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for SN74ABT541BIPWREP 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 logic solutions, with over 90 years of innovation in industrial, automotive, and communications markets.
The SN74ABT541BIPWREP belongs to TI's ABT logic family-designed specifically for high-speed, high-drive 5-V bus interface applications demanding robustness, low ground bounce, and guaranteed power-sequence-safe operation.
FAQ
What is the operating temperature range for SN74ABT541BIPWREP?
The SN74ABT541BIPWREP is rated for −40°C to +85°C operation and qualified per enhanced product-change notification and JEDEC JESD-17 latch-up standards. This extended temperature range, combined with HAST and temperature-cycle testing, makes the SN74ABT541BIPWREP suitable for deployment in industrial control cabinets, outdoor instrumentation, and other thermally demanding environments where commercial-grade buffers would fail.
How does SN74ABT541BIPWREP ensure bus contention avoidance during power-up?
The SN74ABT541BIPWREP guarantees high-impedance outputs when VCC is between 0 V and 2.1 V-covering the entire power-ramp phase before logic stabilization. This behavior is inherent to its BiCMOS design and requires no external circuitry. As a result, the SN74ABT541BIPWREP prevents unintended drive onto shared buses during cold start or brownout recovery, a critical feature for fault-tolerant industrial systems.
Can SN74ABT541BIPWREP interface directly with 3.3-V logic inputs?
Yes-the SN74ABT541BIPWREP accepts VIH ≥ 2.0 V and VIL ≤ 0.8 V, making it compatible with 3.3-V LVTTL and LVCMOS outputs without level-shifting. Its inputs tolerate 5-V-tolerant logic levels, and its outputs swing rail-to-rail (VOH ≥ 2.5 V at −32 mA, VOL ≤ 0.55 V at 64 mA), ensuring clean signal transfer to downstream 5-V receivers. This dual-voltage interoperability is fully specified in the SN74ABT541BIPWREP datasheet.
What is the maximum capacitive load SN74ABT541BIPWREP can drive reliably?
The SN74ABT541BIPWREP is characterized with CL = 50 pF for switching specifications, but its 64-mA low-level output current supports heavier loads in practice. When driving PCB traces or multiple TTL inputs, total load capacitance up to 100 pF remains within timing margins (tPHL ≤ 3.9 ns). For loads exceeding 100 pF, series termination or reduced slew rate may be needed-verified via SN74ABT541BIPWREP IBIS model or application note SCBA004.
Is SN74ABT541BIPWREP pin-compatible with other octal buffers in TI's ABT family?
Yes-the SN74ABT541BIPWREP shares identical pinout, function table, and AC/DC specifications with SN74ABT541BPWRE and SN74ABT541BQ1. All three use the same TSSOP-20 (PW) package and dual active-low OE architecture. This allows drop-in substitution across commercial, industrial, and automotive variants-provided temperature, reliability, and qualification requirements align with the target application's operational profile.
SN74ABT541BIPWREP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74ABT
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 1
- Number of Bits per Element:
- 8
- Input Type:
- -
- Output Type:
- 3-State
- Current - Output High, Low:
- 32mA, 64mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-TSSOP
SN74ABT541BIPWREP FAQ
1.How can I place an order for SN74ABT541BIPWREP through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74ABT541BIPWREP 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 SN74ABT541BIPWREP reliable?
The price and inventory of SN74ABT541BIPWREP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74ABT541BIPWREP is usually 5 days.
3.What payment methods are accepted for SN74ABT541BIPWREP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN74ABT541BIPWREP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SN74ABT541BIPWREP?
SN74ABT541BIPWREP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74ABT541BIPWREP 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 SN74ABT541BIPWREP?
For technical support, including SN74ABT541BIPWREP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74ABT541BIPWREP requirements.
6.How does Aetrix verify that SN74ABT541BIPWREP is sourced from the original manufacturer or authorized distributors?
All SN74ABT541BIPWREP 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 SN74ABT541BIPWREP meets industry standards.
7.What is the process for return or replacement of SN74ABT541BIPWREP?
All SN74ABT541BIPWREP units undergo pre-shipment inspection (PSI). If there is an issue with SN74ABT541BIPWREP, 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 SN74ABT541BIPWREP part is unused and in its original packaging.
Return procedure for SN74ABT541BIPWREP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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