My Inquiry
My Account
NXP Semiconductors NTB0102GD,125
- Part No.:
- NTB0102GD,125
- Manufacturer:
- NXP Semiconductors
- Category:
- Translators, Level Shifters
- Package:
- Datasheet:
-
NTB0102GD,125.pdf
- Description:
- IC TRANSLTR BIDIRECTIONAL 8XSON
- Quantity:
- Payment:
- Shipping:
Inventory:2,774
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
NTB0102GD,125 from NXP Semiconductors is a 2-bit dual-supply auto-direction-sensing voltage level translator IC enabling bidirectional translation between 1.2 V–3.6 V (VCC(A)) and 1.65 V–5.5 V (VCC(B)) domains. It features two 2-bit I/O ports (A1/A2, B1/B2), active-HIGH OE referenced to VCC(A), and IOFF circuitry for partial power-down protection. It supports real-time interface between mixed-voltage systems such as 1.8 V microcontrollers and 3.3 V peripherals.
For engineers reviewing the NTB0102GD,125 datasheet, NTB0102GD,125 pinout, NTB0102GD,125 application, or NTB0102GD,125 equivalent, key selection criteria include its auto-direction sensing capability, ±1 µA OFF-state leakage at −40 °C to +125 °C, 4.2 ns min propagation delay (A→B at VCC(B)=5.0 V), 7.5 pF B-port input/output capacitance, and XSON8 (SOT996-2) 3×2×0.5 mm package with 8 terminals.
Technical Context
The NTB0102GD,125 implements edge-triggered one-shot circuits on both A and B ports to detect signal transitions and dynamically enable PMOS/NMOS drive transistors-accelerating rising/falling edges without external direction control. Its output impedance varies with VCCO: ~70 Ω at 1.2–1.8 V, ~50 Ω at 1.8–3.3 V, and ~40 Ω at 3.3–5.0 V.
IOFF circuitry actively disables outputs when either VCC(A) or VCC(B) is at GND, preventing backflow current during partial power-down. Input clamping current is rated at ±50 mA, and latch-up performance exceeds 100 mA per JESD78B Class II.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC(A) Range | 1.2 V to 3.6 V - enables direct interface with 1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V logic domains |
| VCC(B) Range | 1.65 V to 5.5 V - supports translation to 1.8 V, 2.5 V, 3.3 V, and 5.0 V systems |
| Propagation Delay (A→B) | 4.2 ns min at VCC(B)=5.0 V - ensures sub-5 ns latency for high-speed bidirectional data paths |
| OFF-State Leakage (IOZ) | ±10 µA max at −40 °C to +125 °C - guarantees low standby current in powered-down subsystems |
| Data Rate | 100 Mbps max at VCC(A)=3.3 V / VCC(B)=5.0 V - suitable for USB 1.1, SDIO, and fast GPIO bridging |
| ESD Robustness (B port) | HBM >15 kV - protects against electrostatic discharge in industrial and automotive board-level handling |
| Operating Temperature | −40 °C to +125 °C - qualified for under-hood automotive and industrial control applications |
Pinout & Package
NTB0102GD,125 uses the XSON8 plastic extremely thin small outline package (SOT996-2), measuring 3.0 × 2.0 × 0.5 mm with 8 solderable terminals and no leads. Pin 1 indicator is located on the lower left corner below the marking code "t02".
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1, A2 | Data I/O (VCC(A)-referenced) | Bidirectional signals tied to low-voltage domain; tolerate up to 5.5 V inputs regardless of VCC(A) |
| B1, B2 | Data I/O (VCC(B)-referenced) | Bidirectional signals tied to higher-voltage domain; support full 5.5 V tolerance |
| OE | Output Enable (active HIGH) | Referenced to VCC(A); LOW forces all I/Os into high-impedance state; pull-down recommended for power-up safety |
| VCC(A) | Supply A | Power rail for A-side logic and OE input; must be ≤ VCC(B) during operation |
| VCC(B) | Supply B | Power rail for B-side logic; enables translation up to 5.5 V |
| GND | Ground | Common reference for both supply domains; required for IOFF and ESD clamp functionality |
Key Features
| Feature | Design Value |
|---|---|
| Auto-direction sensing | Eliminates need for external direction-control signals; detects edge transitions to enable appropriate drive path dynamically |
| IOFF partial power-down | Prevents damaging backflow current when either VCC(A) or VCC(B) is off - critical for hot-swap and modular system designs |
| Wide voltage compatibility | Supports 1.2 V ↔ 5.0 V translation across 12 combinations (e.g., 1.8 V ↔ 3.3 V, 2.5 V ↔ 5.0 V) without external components |
| High ESD immunity (B port) | HBM Class 3B >15 kV - reduces need for external TVS diodes in exposed I/O interfaces |
| Low dynamic power | CPD = 5 pF (A port, A→B) and 18 pF (B port, A→B) - minimizes switching power in battery-powered and thermally constrained designs |
Applications
| Industrial Sensor Interface | Automotive Body Control Module |
|---|---|
Use Scenario: Interfacing 1.8 V MEMS sensors with 3.3 V MCU-based sensor fusion units in factory automation PLCs. IC Role / Device Role / Timing Role: Bidirectional voltage translator enabling SPI or I²C-like synchronous data exchange between mismatched supply domains. Use Value: Eliminates level-shifting resistors and discrete MOSFETs, reducing BOM count by 6+ components while maintaining <5 ns timing margin. |
Use Scenario: Connecting 5.0 V LIN transceivers to 3.3 V microcontroller GPIOs in door module ECUs. IC Role / Device Role / Timing Role: Auto-directional translator for wake-up signaling and diagnostic data transfer over shared bidirectional lines. Use Value: Supports 100 Mbps burst data rates and withstands automotive load-dump transients via integrated 15 kV HBM protection on B-side pins. |
| Consumer Portable Device | Medical Diagnostic Equipment |
Use Scenario: Bridging 1.2 V application processor GPIOs to 2.5 V camera sensor control lines in handheld ultrasound devices. IC Role / Device Role / Timing Role: Low-leakage (±1 µA) translator ensuring minimal standby current in battery-operated mode. Use Value: Enables 125 °C-rated operation for compact thermal envelopes and meets IEC 60601 creepage requirements via 3 mm × 2 mm XSON8 footprint. |
Use Scenario: Isolating 3.3 V FPGA configuration I/O from 5.0 V analog front-end ADC/DAC control buses in portable ECG monitors. IC Role / Device Role / Timing Role: Fail-safe translator with IOFF shutdown during power sequencing mismatches. Use Value: Prevents cross-conduction faults during brown-out conditions - validated to JESD78B Class II latch-up immunity (>100 mA). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-supply translating transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TXS0102DCUR | Lower max VCC(B) = 5.5 V same; but only rated to +85 °C; lacks 15 kV HBM on B port | Suitable for commercial-grade consumer products; not qualified for automotive or extended-temp industrial use | Select TXS0102DCUR only if ambient temperature stays ≤85 °C and ESD exposure is controlled. |
| SN74AVC2T245RSWR | Requires external direction control (DIR pin); no auto-sensing; higher ICC(A)+ICC(B) = 40 µA max vs. 8 µA typical for NTB0102GD,125 | Better for deterministic unidirectional flows (e.g., UART TX/RX separation); adds PCB routing complexity | Choose SN74AVC2T245RSWR when precise direction timing control is needed and space allows DIR trace routing. |
Compared with TXS0102DCUR and SN74AVC2T245RSWR, NTB0102GD,125 uniquely combines auto-direction sensing, −40 °C to +125 °C operation, and 15 kV HBM robustness in a 3×2 mm XSON8 package - making it optimal for space-constrained, thermally demanding, and ESD-prone embedded systems where direction control signals are unavailable or undesirable.
Availability
NTB0102GD,125 is available at Aetrix Electronics and suitable for industrial sensor interface, automotive body control modules, consumer portable devices, and medical diagnostic equipment requiring stable component supply across extended temperature ranges and high-reliability voltage translation.
Supply support for NTB0102GD,125 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
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with core expertise in mixed-signal IC design and automotive qualification standards.
The NTB0102GD,125 belongs to NXP's dual-supply auto-direction translator product line, engineered specifically for seamless interoperability between heterogeneous voltage domains in thermally aggressive and ESD-exposed embedded systems.
FAQ
What is the maximum allowable voltage difference between VCC(A) and VCC(B) for reliable operation of NTB0102GD,125?
VCC(A) must never exceed VCC(B) during normal operation per datasheet Section 9 - this is a hard functional constraint, not a recommendation. The device is designed for VCC(A) ≤ VCC(B), with valid operating pairs including 1.8 V/3.3 V, 2.5 V/5.0 V, and 1.2 V/1.8 V. Violating this condition risks undefined behavior or damage. NTB0102GD,125 tolerates VCC(A) ≥ VCC(B) only during power-up ramping, with no sequencing required.
Does NTB0102GD,125 support true bidirectional communication on the same pin pair without external direction control?
Yes. NTB0102GD,125 implements internal edge-detection one-shot circuits that automatically enable the correct drive path (A→B or B→A) based on signal transitions - eliminating the need for an external DIR pin. This is confirmed in Section 13.2 Architecture and Figure 10, where T1–T4 MOSFETs are gated by rising/falling edge detectors. NTB0102GD,125 maintains defined output levels in static states while allowing external drivers to override them during bus contention.
What is the guaranteed minimum data rate supported by NTB0102GD,125 across its full temperature range?
NTB0102GD,125 guarantees 40 Mbps minimum data rate over −40 °C to +125 °C (Table 12), verified at worst-case VCC(A)=1.5 V and VCC(B)=1.8 V. At 25 °C, it achieves up to 100 Mbps (Table 10). The 40 Mbps floor ensures reliable operation in automotive under-hood environments and industrial enclosures where junction temperatures reach 125 °C - critical for CAN FD auxiliary control links and high-speed sensor streaming.
How does the IOFF circuitry in NTB0102GD,125 protect against backflow current during partial power-down?
When either VCC(A) or VCC(B) drops to GND, NTB0102GD,125's IOFF circuitry actively disables all output drivers and isolates the I/O terminals, preventing reverse current flow through the device. This is measured as IOFF ≤ ±10 µA (Table 9) and is distinct from passive high-impedance states. The feature is validated per JESD78B Class II latch-up immunity (>100 mA), ensuring robustness in modular power architectures where subsystems power up/down independently.
Can NTB0102GD,125 be used in I²C or 1-Wire applications?
No. NTB0102GD,125 is explicitly not recommended for open-drain buses like I²C or 1-Wire (Section 13.6), due to its weak static drive strength (~70 Ω typical output impedance) and requirement for pull-up/pull-down resistors >50 kΩ to avoid contention. For I²C, NXP recommends the NTS0102 - a purpose-built, open-drain compatible translator. Using NTB0102GD,125 on I²C would risk bus lockup or excessive rise times.
NTB0102GD,125 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Translator Type:
- Voltage Level
- Channel Type:
- Bidirectional
- Number of Circuits:
- 1
- Channels per Circuit:
- 2
- Voltage - VCCA:
- 1.2 V ~ 3.6 V
- Voltage - VCCB:
- 1.65 V ~ 5.5 V
- Input Signal:
- -
- Output Signal:
- -
- Output Type:
- Tri-State, Non-Inverted
- Data Rate:
- 100Mbps
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Features:
- Auto-Direction Sensing
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-XFDFN
NTB0102GD,125 FAQ
1.How can I place an order for NTB0102GD,125 through Aetrix?
Please submit a Request for Quotation (RFQ) for NTB0102GD,125 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 NTB0102GD,125 reliable?
The price and inventory of NTB0102GD,125 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NTB0102GD,125 is usually 5 days.
3.What payment methods are accepted for NTB0102GD,125?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NTB0102GD,125 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NTB0102GD,125?
NTB0102GD,125 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NTB0102GD,125 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 NTB0102GD,125?
For technical support, including NTB0102GD,125 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NTB0102GD,125 requirements.
6.How does Aetrix verify that NTB0102GD,125 is sourced from the original manufacturer or authorized distributors?
All NTB0102GD,125 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 NTB0102GD,125 meets industry standards.
7.What is the process for return or replacement of NTB0102GD,125?
All NTB0102GD,125 units undergo pre-shipment inspection (PSI). If there is an issue with NTB0102GD,125, 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 NTB0102GD,125 part is unused and in its original packaging.
Return procedure for NTB0102GD,125:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
NTB0102GD,125 Tags
-
74LVC1T45GW,125
Nexperia USA Inc.
-
74LVCH2T45DC,125
Nexperia USA Inc.
-
SN74LVC1T45DBVR
Texas Instruments
-
SN74LVC1T45DRLR
Texas Instruments
-
SN74LVC1T45DPKR
Texas Instruments
-
SN74LVC2T45DCTR
Texas Instruments
-
74LVC2T45GT,115
Nexperia USA Inc.
-
SN74LVC1T45YZPR
Texas Instruments
-
LSF0102DCUR
Texas Instruments
-
SN74LVC1T45DCKR
Texas Instruments
-
TXS0102DCTR
Texas Instruments
-
FXLP34P5X
onsemi
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…
