NLSV1T34DFT2G - 1-Bit Dual-Supply Level Translator | onsemi
부품 번호: NLSV1T34DFT2G ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $0.41 | $0.41 |
| 10 | $0.35 | $3.50 |
| 100 | $0.28 | $28.00 |
| 500 | $0.24 | $120.00 |
| 1,000 | $0.2 | $200.00 |
| 3,000 | $0.17 | $510.00 |
NLSV1T34DFT2G 개요
A voltage level translator is an interface IC that bridges two subsystems operating at different supply voltages without requiring level-shifting buffers at every GPIO. Within the broader taxonomy, the NLSV1T34 belongs to the logic IC family, specifically the voltage level shifters / bus translators subcategory. The dual-rail architecture allows VCCA and VCCB to be powered up or down in any sequence, which simplifies hot-swap and power-rail-crossing designs in mixed-voltage products.
Key features include a wide 0.9 V to 4.5 V supply range on each rail, push-pull CMOS output drive, -40 C to +85 C operating temperature, and a power-off isolation scheme that prevents back-feeding when either rail is unpowered. The translator supports data rates suitable for I2C, UART, GPIO, and low-speed serial interfaces, and is fully specified over the industrial temperature range for harsh-environment designs.
The device uses a passive MOSFET-based translation cell with edge accelerators, giving a typical propagation delay of a few nanoseconds and near-zero static quiescent current. Because the part is a pure pass-through translator, it is bidirectional in the sense that the same port can be driven from either side, although the standard use is An as input and Bn as output per the datasheet's reference schematic.
Typical applications include IoT sensor modules bridging a 1.8 V sensor to a 3.3 V MCU, SD card or SIM card interfaces, I2C bus level shifting between 1.2 V and 3.3 V rails, mobile and wearable platforms, and portable consumer devices that need to mix 0.9 V application processors with 1.8 V or 3.3 V peripherals.
When designing with this part, place it as close as possible to the lower-voltage domain to minimize the length of the untranslated trace, and add a 0.1 uF decoupling cap on each VCC pin. The device is not designed to drive heavy loads, so for high-current or high-speed signals (MIPI, USB, LVDS) use a dedicated buffer instead.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not consolidated in the manufacturer datasheet, giving engineers a single reference for sourcing, replacement, and application of the NLSV1T34DFT2G.
드롭인 대체품: NLSV1T34DFT2G — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
NLSV1T34AMX1TCG
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
NLSV1T34MUTBG
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
TXS0101DCKR
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MAX3340EEBE-T
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
TC7SP3125TU,LF
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
NLSV1T34DFT2G 최대 정격 & 전기적 특성
| 기능 | 1-Bit Dual-Supply Non-Inverting Voltage Level Translator |
| Number of Channels | 1 |
| 출력 유형 | Push-Pull (CMOS) |
| Input / Output Ports | An (input), Bn (output), dual-rail |
| VCCA Range | 0.9 V to 4.5 V |
| VCCB Range | 0.9 V to 4.5 V |
| Supply Voltage (VCCA / VCCB) | 0.9 V to 4.5 V (each rail independent) |
| Logic Family | NLSV (onsemi ultra-low-voltage translator) |
| Direction | Non-inverting, configurable per port |
| 동작 온도 | -40 C to +85 C |
| 패키지 | SC-88A (SC-70-5 / SOT-353), 6-pin |
| Package Outline | 1.45 x 1.0 mm, 0.50 mm pitch |
| 실장 유형 | Surface Mount |
| RoHS 상태 | Compliant |
| 할로겐 프리 | Compliant |
| Power-Off Isolation | Yes (per datasheet) |
NLSV1T34DFT2G 핀 구성
| 핀 1 | VCCA — Supply voltage for the An input port (0.9 V to 4.5 V) |
| 핀 2 | An — Input / output data port referenced to VCCA |
| 핀 3 | VCCB — Supply voltage for the Bn output port (0.9 V to 4.5 V) |
| 핀 4 | Bn — Input / output data port referenced to VCCB |
| 핀 5 | GND — Common ground reference for both VCCA and VCCB |
| 핀 6 | GND — Common ground reference for both VCCA and VCCB |
일반적인 애플리케이션
NLSV1T34DFT2G 적합 용도: 6 애플리케이션s: IoT Sensor Module - 1.8V Sensor to 3.3V MCU Bridge, I2C Bus Level Shifting (1.2V to 3.3V), SD Card / SIM Card Interface Translation, Wearable and Fitness Tracker Mixed-Voltage Domains, Portable Consumer Device GPIO Translation, Industrial Sensor Node - 1.2V MCU to 3.3V RS-232/RS-485 Bridge.
IoT Sensor Module - 1.8V Sensor to 3.3V MCU Bridge
The NLSV1T34DFT2G bridges a 1.8 V sensor IC to a 3.3 V MCU GPIO without requiring a level-shifting buffer on every signal. Its 0.9 V to 4.5 V VCCA and VCCB ranges cover the common 1.8 V sensor rail and 3.3 V MCU rail in a single part. Place the translator physically near the sensor to keep the untranslated 1.8 V segment short, and add a 0.1 uF decoupling capacitor on each VCC pin for noise immunity.
추천
I2C Bus Level Shifting (1.2V to 3.3V)
For I2C level translation between a 1.2 V application processor and a 3.3 V peripheral, two NLSV1T34DFT2G devices can be used (one for SDA, one for SCL). The translator's passive-MOSFET pass cell handles the bidirectional open-drain pull-up behavior, but external pull-up resistors must be placed on each side near the corresponding VCC rail. This avoids contention and ensures clean edges on both bus segments.
추천
SD Card / SIM Card Interface Translation
SD card and SIM card interfaces often operate at 1.8 V or 3.3 V while the host processor runs at 1.2 V core I/O. The NLSV1T34DFT2G handles single-bit lines like card-detect and reset, but the full 4-bit SD data bus requires four devices or a multi-bit translator. Its 6-pin SC-88A package keeps the BOM small and fits on space-constrained modules in mobile and wearable platforms.
추천
Wearable and Fitness Tracker Mixed-Voltage Domains
Wearable designs frequently mix 0.9 V to 1.2 V application processors with 1.8 V or 3.3 V sensors, displays, and Bluetooth radios. The NLSV1T34DFT2G is well matched to this role because both rails are independently configurable down to 0.9 V, and its -40 C to +85 C industrial temperature range survives body-heat and outdoor exercise conditions. The 1.45 x 1.0 mm SC-88A footprint fits beneath SoC packages and BGA breakouts.
추천
Portable Consumer Device GPIO Translation
Portable devices such as Bluetooth speakers, smartwatches, and handheld instruments often need a 1.8 V to 3.3 V translation for status LEDs, buttons, or simple interrupt lines. The NLSV1T34DFT2G provides a single-bit non-inverting translation cell in a tiny SC-88A package, with power-off isolation so that an unpowered domain cannot back-feed through the I/O pin. This is essential for hot-swappable accessories and battery-isolated subsystems.
추천
Industrial Sensor Node - 1.2V MCU to 3.3V RS-232/RS-485 Bridge
Industrial sensor nodes with 1.2 V MCUs often need to drive 3.3 V digital signals to upstream transceivers. The NLSV1T34DFT2G serves as a low-cost single-bit translator for handshake lines such as RTS, CTS, and enable. For multi-bit buses, multiple NLSV1T34DFT2G parts in parallel share a common 0.1 uF decoupling capacitor to keep ground bounce low across the SC-88A land pattern.
추천
추천 제품 요약
엔지니어링 참조 데이터: NLSV1T34DFT2G — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | NLSV1T34AMX1TCG | NLSV1T34MUTBG | TXS0101DCKR | MAX3340EEBE-T | TC7SP3125TU,LF |
|---|---|---|---|---|---|---|
| Brand | onsemi | onsemi | onsemi | Texas Instruments | Analog Devices | Toshiba |
| Package | SC-88A (SC-70-5 / SOT-353) 6-pin | ULLGA-6 | UDFN-6 | SC-70-6 (DCK) | UCSP-6 (BGA-6) | UF6 |
| VCCA Range | 0.9 V to 4.5 V | 0.9 V to 4.5 V | 0.9 V to 4.5 V | 1.65 V to 3.6 V | 1.2 V to 5.5 V | 0.9 V to 3.6 V |
| VCCB Range | 0.9 V to 4.5 V | 0.9 V to 4.5 V | 0.9 V to 4.5 V | 1.65 V to 3.6 V | 1.2 V to 5.5 V | 0.9 V to 3.6 V |
| Number of Channels | 1 | 1 | 1 | 1 | 1 | 1 |
| Integrated Pull-Ups | No (external required) | No | No | Yes (10 kohm) | No | No |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
주요 차별점
- Independent VCCA and VCCB each down to 0.9 V (vs TXS0101DCKR)
- Halogen-free and RoHS compliant per datasheet (vs MAX3340EEBE-T)
- Same-brand family alternative with same voltage range (vs NLSV1T34AMX1TCG)
설계 노트
Both VCCA and VCCB must be decoupled with at least a 0.1 uF ceramic capacitor placed within 2 mm of the respective supply pin. For noisy 3.3 V rails, add a 1 uF ceramic in parallel. Power sequencing is not required: VCCA and VCCB may be brought up in any order, and the part provides power-off isolation so an unpowered rail will not back-feed the active domain through the I/O pin (per the onsemi datasheet).
Do not assume the NLSV1T34DFT2G includes I2C pull-up resistors - it does not. For I2C lines, place external pull-up resistors on each side of the translator near the corresponding VCC rail. Forgetting the pull-ups is the single most common reason for non-functional I2C buses when using external translators. If integrated pull-ups are required, choose the TXS0101DCKR from Texas Instruments instead.
Place the translator as close as possible to the lower-voltage domain to keep the untranslated (lower-voltage) trace length minimal. Keep ground plane continuous under the part; do not route high-speed signals (USB, MIPI, LVDS) under or near the translator to avoid coupling into the level-shifted signal. The 1.45 x 1.0 mm SC-88A footprint has 0.50 mm pitch, so PCB land pattern should follow the IPC-7351 SC-88A standard.
규정 준수 정보
RoHS and halogen-free compliant per onsemi datasheet and verified web data; not AEC-Q100 qualified; conflict-minerals policy not explicitly stated in web data - inferred compliant per onsemi corporate policy
