My Inquiry
My Account
Texas Instruments SN74ABT541BIPWRQ1
- Part No.:
- SN74ABT541BIPWRQ1
- Manufacturer:
- Texas Instruments
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
SN74ABT541BIPWRQ1.pdf
- Description:
- IC BUFF NON-INVERT 5.5V 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,520
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SN74ABT541BIPWRQ1 from Texas Instruments is an automotive-qualified octal buffer/driver with 3-state outputs, designed for bus line driving and memory address register buffering. It features dual active-low output-enable inputs (OE1/OE2), high-drive capability (−32 mA IOH / 64 mA IOL), and operates across −40°C to 85°C at 4.5–5.5 V supply. Used in automotive infotainment backplanes and body control module data buses.
For engineers reviewing the SN74ABT541BIPWRQ1 datasheet, SN74ABT541BIPWRQ1 pinout, SN74ABT541BIPWRQ1 application, or SN74ABT541BIPWRQ1 equivalent, key selection criteria include its AEC-Q100 qualification, EPIC-IIIB™ BiCMOS process enabling low power dissipation, high-impedance state during power-up/down, and TSSOP-20 package compatibility with space-constrained automotive PCB layouts.
Technical Context
This device implements a dual-gated 3-state control architecture using two-input AND logic with active-low OE1 and OE2 inputs - either high forces all eight Y outputs into high-impedance. Its EPIC-IIIB™ BiCMOS design integrates bipolar and CMOS elements to achieve both high-speed switching (tPLH/tPHL ≤ 3.6 ns at 5 V) and reduced ICC under load.
The input and output structures support hot-insertion robustness: inputs tolerate −0.5 V to 7 V, outputs withstand −0.5 V to 5.5 V in high-Z or powered-off states, and latch-up immunity exceeds 500 mA per JEDEC JESD-17. Ground bounce (VOLP) remains below 1 V at 5 V/25°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5 V to 5.5 V - ensures stable operation across automotive battery variations including cold-crank transients. |
| Output Drive | −32 mA IOH / +64 mA IOL - enables direct interface with TTL and CMOS loads without external buffers on data/address buses. |
| Propagation Delay | tPLH/tPHL ≤ 3.6 ns at 5 V - supports high-speed bus timing in 25+ MHz memory or peripheral interfaces. |
| Power-Up/Down State | High-impedance when VCC ∈ [0, 2.1 V] - prevents bus contention during system power sequencing. |
| ESD Protection | >2000 V HBM / >150 V MM - meets automotive ESD robustness requirements per ISO 10605. |
| Operating Temperature | −40°C to +85°C - qualified per AEC-Q100 Grade 2 for under-hood and cabin electronics. |
| Input Capacitance | Ci = 3 pF - minimizes loading on upstream drivers and preserves signal integrity in fan-out configurations. |
Pinout & Package
TSSOP-20 (PW) package: 6.5 mm × 4.4 mm × 1.2 mm max height, 0.65 mm pitch, lead-free NiPdAu finish, MSL Level-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 19 | OE1, OE2 | Active-low 3-state enable inputs - dual AND-gated control allows flexible bus arbitration or channel grouping. |
| 2–9 | A1–A8 | Noninverting data inputs - placed on left side to simplify routing from microcontroller or ASIC address/data lines. |
| 11–18 | Y1–Y8 | Noninverting buffered outputs - positioned opposite inputs to minimize crosstalk and enable straight-through PCB trace layout. |
| 10 | GND | Ground reference - dedicated pin adjacent to VCC for low-inductance decoupling near power entry point. |
| 20 | VCC | Positive supply - accepts 4.5–5.5 V; internal circuitry holds outputs in high-Z until VCC ≥ 2.1 V. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive Qualification | AEC-Q100 Grade 2 qualified - validated for reliability in automotive environments including temperature cycling, humidity, and vibration stress. |
| EPIC-IIIB™ BiCMOS Process | Reduces dynamic power vs. standard bipolar while retaining drive strength - critical for thermally constrained ECUs. |
| Output Ground Bounce Control | VOLP < 1 V at 5 V/25°C - limits noise coupling into sensitive analog sections during simultaneous output switching. |
| Hot-Insertion Tolerance | Inputs/outputs rated to ±7 V - supports live insertion into powered-backplane systems without damage. |
| Latch-Up Immunity | >500 mA per JEDEC JESD-17 - prevents destructive parasitic SCR activation during voltage transients. |
Applications
| Instrument Cluster Display Interface | Body Control Module Bus Driver |
|---|---|
Use Scenario: Driving parallel LCD segment or LED driver address lines from a microcontroller in a vehicle instrument cluster. IC Role / Device Role / Timing Role: Noninverting octal buffer isolating MCU GPIOs from capacitive display bus loads while maintaining timing integrity. Use Value: High-drive outputs (64 mA sink) ensure fast edge rates on long traces; 3-state control enables shared bus access with other peripherals. | Use Scenario: Buffering door lock, window lift, or lighting control signals between MCU and power driver ICs in a BCM. IC Role / Device Role / Timing Role: Level-shifting and current-boosting interface between low-power MCU outputs and higher-current actuator drivers. Use Value: AEC-Q100 qualification guarantees operation across full automotive temperature range; high-impedance state prevents backfeeding during MCU reset. |
| Infotainment System Memory Address Latch | Rear Camera Video Data Multiplexer |
Use Scenario: Latching and driving memory-mapped peripheral addresses in head unit SoC subsystems with multiple flash or EEPROM devices. IC Role / Device Role / Timing Role: Address register buffer with controlled enable timing to synchronize with memory read/write strobes. Use Value: Propagation delay ≤3.6 ns ensures setup/hold compliance with 25+ MHz memory clocks; dual OE inputs allow interleaved bank selection. | Use Scenario: Selectively routing parallel video data lanes (e.g., BT.656) from multiple rear cameras to a single video processor input. IC Role / Device Role / Timing Role: 3-state multiplexing element enabling time-shared use of common video data bus lines. Use Value: Low ground bounce (<1 V) prevents corruption of adjacent analog video signals; TSSOP-20 footprint fits tight camera module PCBs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal buffer/driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC541AQPWRQ1 | Lower drive (−24 mA / +24 mA), 1.65–3.6 V supply - not pin-compatible due to different OE logic (single active-high OE). | Suitable for 3.3 V-only domains like ADAS sensor hubs; lacks 5 V tolerance and high-current drive for legacy automotive buses. | Select when interfacing with 3.3 V FPGAs or low-power MCUs where 5 V compatibility and high drive are unnecessary. |
| SN74ABT244BQPWRQ1 | Octal buffer with separate direction control (non-inverting), same 5 V supply and drive specs - pinout differs (OE on pins 1/19 vs. 1/2), not drop-in. | Better suited for bidirectional data paths (e.g., CAN transceiver interface), but requires PCB redesign due to reversed input/output pin placement. | Choose only if bidirectional flow or independent channel enables are required; not a replacement for SN74ABT541BIPWRQ1's dual-OE 3-state architecture. |
Compared with SN74LVC541AQPWRQ1 and SN74ABT244BQPWRQ1, the SN74ABT541BIPWRQ1 uniquely combines AEC-Q100 qualification, 5 V operation, high-current drive, and dual active-low OE control in a fixed-function unidirectional buffer - making it irreplaceable in legacy 5 V automotive bus architectures requiring strict timing and robustness.
Availability
SN74ABT541BIPWRQ1 is available at Aetrix Electronics and suitable for automotive infotainment backplanes, body control modules, and instrument cluster display interfaces requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for SN74ABT541BIPWRQ1 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 company headquartered in Dallas, Texas, delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and consumer markets.
The SN74ABT541BIPWRQ1 belongs to TI's ABT logic family - engineered for high-speed, high-drive 5 V bus interfacing in automotive and industrial control systems where reliability under electrical stress and thermal variation is critical.
FAQ
What is the operating voltage range for SN74ABT541BIPWRQ1?
The SN74ABT541BIPWRQ1 operates over a supply voltage range of 4.5 V to 5.5 V. This range accommodates nominal 5 V automotive systems and tolerates battery voltage fluctuations such as cold-crank dips down to 4.5 V. Operation outside this range may cause functional failure or permanent damage, as specified in the absolute maximum ratings table.
How does the dual output-enable logic work on SN74ABT541BIPWRQ1?
The SN74ABT541BIPWRQ1 uses a two-input AND gate for 3-state control: both OE1 and OE2 must be low for outputs Y1–Y8 to drive their respective inputs A1–A8. If either OE1 or OE2 is high, all outputs enter high-impedance mode. This architecture enables flexible bus arbitration - for example, one OE can be tied to system reset while the other controls functional enable.
Is SN74ABT541BIPWRQ1 compatible with 3.3 V logic inputs?
Yes, SN74ABT541BIPWRQ1 accepts 3.3 V logic-level inputs reliably: its VIH threshold is 2.0 V minimum and VIL is 0.8 V maximum at 4.5–5.5 V supply. Inputs driven by 3.3 V CMOS or LVTTL sources meet these levels with margin, eliminating need for level shifters in mixed-voltage systems - a key advantage over pure 3.3 V buffers.
What is the thermal performance of SN74ABT541BIPWRQ1 in its TSSOP-20 package?
The SN74ABT541BIPWRQ1 in TSSOP-20 has a junction-to-ambient thermal resistance (θJA) of 128°C/W under standard JEDEC test conditions. At maximum rated 64 mA output sink per pin and full 8-channel operation, power dissipation remains within safe limits up to +85°C ambient - verified via TI's EPIC-IIIB™ BiCMOS process optimization for low static and dynamic power.
Does SN74ABT541BIPWRQ1 require external pull-up resistors on OE pins?
Yes - to guarantee high-impedance state above VCC = 2.1 V, OE1 and OE2 should be tied to VCC via pull-up resistors. The minimum resistor value depends on the current-sinking capability of the driving source; TI recommends values ≥10 kΩ for typical microcontroller GPIOs. Without pull-ups, outputs may briefly drive during power ramp-up, risking bus contention.
SN74ABT541BIPWRQ1 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:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-TSSOP
SN74ABT541BIPWRQ1 FAQ
1.How can I place an order for SN74ABT541BIPWRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74ABT541BIPWRQ1 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 SN74ABT541BIPWRQ1 reliable?
The price and inventory of SN74ABT541BIPWRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74ABT541BIPWRQ1 is usually 5 days.
3.What payment methods are accepted for SN74ABT541BIPWRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN74ABT541BIPWRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SN74ABT541BIPWRQ1?
SN74ABT541BIPWRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74ABT541BIPWRQ1 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 SN74ABT541BIPWRQ1?
For technical support, including SN74ABT541BIPWRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74ABT541BIPWRQ1 requirements.
6.How does Aetrix verify that SN74ABT541BIPWRQ1 is sourced from the original manufacturer or authorized distributors?
All SN74ABT541BIPWRQ1 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 SN74ABT541BIPWRQ1 meets industry standards.
7.What is the process for return or replacement of SN74ABT541BIPWRQ1?
All SN74ABT541BIPWRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with SN74ABT541BIPWRQ1, 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 SN74ABT541BIPWRQ1 part is unused and in its original packaging.
Return procedure for SN74ABT541BIPWRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SN74ABT541BIPWRQ1 Tags
-
SN74LVC1G17DBVR
Texas Instruments
-
SN74LVC1G07DCKR
Texas Instruments
-
SN74LVC1G17DCKR
Texas Instruments
-
SN74LVC1G07DBVR
Texas Instruments
-
SN74LVC1G125DCKR
Texas Instruments
-
SN74AHCT1G126DBVR
Texas Instruments
-
SN74LVC1G125DBVR
Texas Instruments
-
SN74AHCT1G125DBVR
Texas Instruments
-
SN74LVC2G17DBVR
Texas Instruments
-
SN74LVC2G07DCKR
Texas Instruments
-
SN74LVC1G34DCKR
Texas Instruments
-
SN74LVC2G17DCKR
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
