Specifications
| Type | Description |
|---|---|
| Part Number | SN74LVC3G34 |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | SM8 (DCT) 2.95 mm x 2.80 mm; VSSOP (DCU) 2.30 mm x 2.00 mm; DSBGA (YZP) 1.91 mm x 0.91 mm |
| Logic Function | Y = A; positive logic buffer |
| Number of Buffer Gates | 3 |
| Operating Supply Voltage | 1.65 to 5.5 V; recommended operating conditions |
| Data Retention Supply Voltage | 1.5 V; data retention only |
| Input Voltage Range | 0 to 5.5 V; recommended operating conditions |
| Output Voltage Range | 0 to VCC; recommended operating conditions |
| High-Level Input Voltage | 0.65 x VCC min; VCC = 1.65 V to 1.95 V |
| High-Level Input Voltage | 1.7 V min; VCC = 2.3 V to 2.7 V |
| High-Level Input Voltage | 2 V min; VCC = 3 V to 3.6 V |
| High-Level Input Voltage | 0.7 x VCC min; VCC = 4.5 V to 5.5 V |
| Low-Level Input Voltage | 0.35 x VCC max; VCC = 1.65 V to 1.95 V |
| Low-Level Input Voltage | 0.7 V max; VCC = 2.3 V to 2.7 V |
| Low-Level Input Voltage | 0.8 V max; VCC = 3 V to 3.6 V |
| Low-Level Input Voltage | 0.3 x VCC max; VCC = 4.5 V to 5.5 V |
| High-Level Output Current | -4 mA; VCC = 1.65 V |
| High-Level Output Current | -8 mA; VCC = 2.3 V |
| High-Level Output Current | -24 mA; VCC = 3 V |
| High-Level Output Current | -32 mA; VCC = 4.5 V |
| Low-Level Output Current | 4 mA; VCC = 1.65 V |
| Low-Level Output Current | 8 mA; VCC = 2.3 V |
| Low-Level Output Current | 24 mA; VCC = 3 V |
| Low-Level Output Current | 32 mA; VCC = 4.5 V |
| Input Transition Rise or Fall Rate | 20 ns/V max; VCC = 1.8 V ±0.15 V or 2.5 V ±0.2 V |
| Input Transition Rise or Fall Rate | 10 ns/V max; VCC = 3.3 V ±0.3 V |
| Input Transition Rise or Fall Rate | 5 ns/V max; VCC = 5 V ±0.5 V |
| Operating Free-Air Temperature | -40 to 125 °C; DCT and DCU packages |
| Operating Free-Air Temperature | -40 to 85 °C; YZP package |
| Supply Voltage Absolute Maximum | -0.5 to 6.5 V; over operating free-air temperature range |
| Input Voltage Absolute Maximum | -0.5 to 6.5 V; over operating free-air temperature range |
| Output Voltage Absolute Maximum | -0.5 to 6.5 V; high-impedance or power-off state |
| Continuous Output Current Absolute Maximum | ±50 mA; any output |
| Continuous Current Through VCC or GND Absolute Maximum | ±100 mA; VCC or GND pin |
| Junction Temperature Absolute Maximum | 150 °C; absolute maximum ratings |
| Storage Temperature | -65 to 150 °C; absolute maximum ratings |
| ESD Human Body Model | 2500 V; ANSI/ESDA/JEDEC JS-001, all pins |
| ESD Charged Device Model | 1500 V; JEDEC JESD22-C101, all pins |
| Junction-to-Ambient Thermal Resistance | 220 °C/W; DCT SM8, 8 pins |
| Junction-to-Ambient Thermal Resistance | 227 °C/W; DCU VSSOP, 8 pins |
| Junction-to-Ambient Thermal Resistance | 140 °C/W; YZP DSBGA, 8 pins |
| High-Level Output Voltage | VCC - 0.1 V min; IOH = -100 µA, VCC = 1.65 V to 5.5 V |
| High-Level Output Voltage | 1.2 V min; IOH = -4 mA, VCC = 1.65 V |
| High-Level Output Voltage | 1.9 V min; IOH = -8 mA, VCC = 2.3 V |
| High-Level Output Voltage | 2.4 V min; IOH = -16 mA, VCC = 3 V |
| High-Level Output Voltage | 2.3 V min; IOH = -24 mA, VCC = 3 V |
| High-Level Output Voltage | 3.8 V min; IOH = -32 mA, VCC = 4.5 V |
| Low-Level Output Voltage | 0.1 V max; IOL = 100 µA, VCC = 1.65 V to 5.5 V |
| Low-Level Output Voltage | 0.45 V max; IOL = 4 mA, VCC = 1.65 V |
| Low-Level Output Voltage | 0.3 V max; IOL = 8 mA, VCC = 2.3 V |
| Low-Level Output Voltage | 0.4 V max; IOL = 16 mA, VCC = 3 V |
| Input Current | ±5 µA max; A inputs, VI = 5.5 V or GND, VCC = 0 to 5.5 V |
| Power-Off Leakage Current | ±10 µA max; VI or VO = 5.5 V, VCC = 0 V |
| Supply Current | 10 µA max; VI = 5.5 V or GND, IO = 0, VCC = 1.65 V to 5.5 V |
| Delta Supply Current | 500 µA max; one input at VCC - 0.6 V, other inputs at VCC or GND, VCC = 3 V to 5.5 V |
| Input Capacitance | 3.5 pF typ; VI = VCC or GND, VCC = 3.3 V, TA = -40 °C to 85 °C |
| Propagation Delay | 3.2 ns min, 7.9 ns max; A to Y, VCC = 1.8 V ±0.15 V, TA = -40 °C to 85 °C |
| Propagation Delay | 1.5 ns min, 4.4 ns max; A to Y, VCC = 2.5 V ±0.2 V, TA = -40 °C to 85 °C |
| Propagation Delay | 1.4 ns min, 4.1 ns max; A to Y, VCC = 3.3 V ±0.3 V, TA = -40 °C to 85 °C |
| Propagation Delay | 1.1 ns min, 3.2 ns max; A to Y, VCC = 5 V ±0.5 V, TA = -40 °C to 85 °C |
| Power Dissipation Capacitance | 19 pF typ; f = 10 MHz, VCC = 1.8 V, TA = 25 °C |
| Power Dissipation Capacitance | 19 pF typ; f = 10 MHz, VCC = 2.5 V, TA = 25 °C |
| Power Dissipation Capacitance | 19 pF typ; f = 10 MHz, VCC = 3.3 V, TA = 25 °C |
| Power Dissipation Capacitance | 21 pF typ; f = 10 MHz, VCC = 5 V, TA = 25 °C |
| Partial-Power-Down Support | Ioff circuitry disables outputs; prevents damaging current backflow when powered down |
| Latch-Up Performance | Exceeds 100 mA; JESD78, Class II |
| Datasheet Status | request_only |
Product Overview
The SN74LVC3G34 is a Texas Instruments triple buffer gate for Signal_Chain designs requiring three independent positive-logic buffer channels. Its logic function is Y = A, making it suitable for non-inverting digital signal buffering where the output follows the input state.
Key Features
- Three positive-logic buffer gates with Y = A function
- 1.65 V to 5.5 V recommended supply operation
- Inputs accept 0 V to 5.5 V range
- Outputs operate from 0 V to VCC
- Up to 32 mA low-level output current at 4.5 V
- Propagation delay down to 1.1 ns minimum at 5 V
- Ioff circuitry disables outputs during power-down conditions
- Latch-up performance exceeds 100 mA per JESD78 Class II
- SM8, VSSOP, and DSBGA package options
- Human body model ESD rating is 2500 V
Typical Applications
- Positive-logic signal buffering
- Triple digital buffer channels
- Low-voltage logic signal paths
- Power-down tolerant output interfaces
- Compact signal chain logic assemblies
Procurement Notes
When requesting a quote for SN74LVC3G34, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What logic function does SN74LVC3G34 implement?
SN74LVC3G34 implements a positive-logic buffer function. For each buffer channel, the output follows the input according to Y = A, and the device contains three buffer gates.
What supply voltage range is recommended for SN74LVC3G34?
The recommended operating supply voltage range is 1.65 V to 5.5 V. The extracted datasheet facts also specify a 1.5 V supply condition for data retention only.
Which package options are listed for SN74LVC3G34?
The listed package options are SM8 (DCT) measuring 2.95 mm x 2.80 mm, VSSOP (DCU) measuring 2.30 mm x 2.00 mm, and DSBGA (YZP) measuring 1.91 mm x 0.91 mm.
Does SN74LVC3G34 support partial-power-down operation?
Yes. The extracted facts state that Ioff circuitry disables the outputs to help prevent damaging current backflow when the device is powered down.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.