SN74LV1T126
Logic Level ShifterThe SN74LV1T126 is a logic level shifter from Texas Instruments. View the full SN74LV1T126 datasheet below including electrical characteristics, absolute maximum ratings.
Manufacturer
Texas Instruments
Category
Integrated CircuitsOverview
Part: SN74LV1T125 — Texas Instruments
Type: Single Buffer Gate with 3-State Output CMOS Logic Level Shifter
Description: A single buffer gate with reduced input thresholds for voltage translation, supporting 1.8V to 5.5V operation, 5V tolerant inputs, and output drive up to 8 mA.
Operating Conditions:
- Supply voltage: 1.6–5.5 V
- Operating temperature: -40 to 125 °C
- Input voltage: 0–5.5 V
- Output voltage: 0–VCC V
Absolute Maximum Ratings:
- Max supply voltage: 7.0 V
- Max continuous output current: ±25 mA
- Max junction temperature: 150 °C
- Max storage temperature: 150 °C
Key Specs:
- High-level output current (VCC = 1.8 V): -3 mA
- High-level output current (VCC = 3.3 V): -7 mA
- High-level output current (VCC = 5.0 V): -8 mA
- Low-level output current (VCC = 1.8 V): 3 mA
- Low-level output current (VCC = 3.3 V): 7 mA
- Low-level output current (VCC = 5.0 V): 8 mA
- Static supply current (VCC = 3.3 V): 1 μA (Typ), 10 μA (Max)
- Input capacitance (VCC = 3.3 V): 2 pF (Typ), 10 pF (Max)
- Output capacitance (VCC = 3.3 V): 2.5 pF (Typ)
- Power dissipation capacitance (VCC = 1.8 V to 5.5 V): 14 pF (Typ)
Features:
- Single-supply voltage translator at 5V, 3.3V, 2.5V, and 1.8V VCC
- Operating range of 1.8V to 5.5V
- Up and down voltage translation capabilities
- Logic output referenced to VCC
- Characterized up to 50MHz at 3.3V VCC
- 5.0V tolerance on input pins
- Latch-up performance exceeds 250mA per JESD 17
- Supports standard logic pinouts
- CMOS output B compatible with AUP1G and LVC1G families
Applications:
- Telecom
- Portable applications
- Servers
- PC and notebooks
Package:
- DBV (SOT-23, 5)
- DCK (SC70, 5)
Features
- Single-supply voltage translator at 5V, 3.3V, 2.5V, and 1.8V VCC
- Operating range of 1.8V to 5.5V
- Up translation:
- -1.2V (1) to 1.8V at 1.8V V CC
- -1.8V (1) to 3.3V at 3.3V V CC
- -1.5V (1) to 2.5V at 2.5V V CC
- -3.3V to 5.0V at 5.0V VCC
- Down translation:
- -3.3V to 1.8V at 1.8V VCC
- -5.0V to 3.3V at 3.3V VCC
- -3.3V to 2.5V at 2.5V VCC
- Logic output is referenced to V CC
- Output drive:
- -8.0mA output drive at 5V
- -7.0mA output drive at 3.3V
- -3.0mA output drive at 1.8V
- Characterized up to 50MHz at 3.3V VCC
- 5.0V tolerance on input pins
- -40°C to 125°C operating temperature range
- Latch-up performance exceeds 250mA per JESD 17
- Supports standard logic pinouts
- CMOS output B compatible with AUP1G and LVC1G families 1
Applications
Pin Configuration
Figure 5-1. DCK or DBV Package, 5-Pin SC70 or SOT-23 (Top View)
Table 5-1. Pin Functions
| PIN | PIN | TYPE (1) | DESCRIPTION |
|---|---|---|---|
| NAME | NO. | TYPE (1) | DESCRIPTION |
| OE | 1 | I | Output enable, active low |
| A | 2 | I | Input A |
| GND | 3 | G | Ground |
| Y | 4 | O | Output Y |
| V CC | 5 | P | Positive supply |
- (1) I = Input, O = Output, I/O = Input or Output, G = Ground, P = Power.
Table 5-1. Pin Functions
Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
| TEST CONDITIONS | V | T A = 25°C | T A = 25°C | T A = -40°C to +125°C | T A = -40°C to +125°C | UNIT | ||
|---|---|---|---|---|---|---|---|---|
| PARAMETER | CC | MIN | TYP MAX | MIN TYP | MAX | |||
| V IH | V CC = 1.65 V to 1.8 V | 0.95 | 1 | V | ||||
| V IH | V CC = 2.0 V | 0.99 | 1.03 | V | ||||
| V IH | V CC = 2.25 V to 2.5 V | 1.145 | 1.18 | V | ||||
| V IH | High-level | V CC = 2.75 V | 1.22 | 1.25 | V | |||
| V IH | input voltage | V CC = 3 V to 3.3 V | 1.37 | 1.39 | V | |||
| V IH | V CC = 3.6 V | 1.47 | 1.48 | V | ||||
| V IH | V CC = 4.5 V to 5.0 V | 2.02 | 2.03 | V | ||||
| V IH | V CC = 5.5 V | 2.1 | 2.11 | V | ||||
| V IL | Low-level | V CC = 1.65 V to 2.0 V | 0.57 | 0.55 | V | |||
| V IL | Low-level | V CC = 2.25 V to 2.75 V | 0.75 | 0.71 | V | |||
| V IL | input voltage | V CC = 3 V to 3.6 V | 0.8 | 0.65 | V | |||
| V IL | V CC = 4.5 V to 5.5 V | 0.8 | 0.8 | V | ||||
| V OH | I OH = -20 μA | 1.65 V to 5.5 V | V CC - 0.1 | V CC - 0.1 | V | |||
| V OH | I OH = -2.0 mA | 1.65 V | 1.28 | 1.21 | V | |||
| V OH | 1.8 V | 1.5 | 1.45 | V | ||||
| V OH | I OH = -3 mA | 2.3 V | 2 | 1.93 | V | |||
| V OH | High-level | I OH = -3 mA | 2.5 V | 2.25 | 2.15 | V | ||
| V OH | output | I OH = -3.0 mA | 2.78 | 2.7 | V | |||
| V OH | voltage | I OH = -5.5 mA | 3.0 V | 2.6 | 2.49 | V | ||
| V OH | I OH = -5.5 mA | 3.3 V | 2.9 | 2.8 | V | |||
| V OH | I OH = -4 mA | 4.2 | 4.1 | V | ||||
| V OH | I OH = -8 mA | 4.5 V | 4.1 | 3.95 | V | |||
| V OL | I OL = 20 μA | 1.65 V to 5.5 V | 0.1 | 0.1 | ||||
| V OL | I OL = 2 mA | 1.65 V | 0.2 | 0.25 | ||||
| V OL | Low-level | I OL = 3 mA | 2.3 V | 0.15 | 0.2 | |||
| V OL | output | I OL = 3 mA | 0.11 | 0.15 | V | |||
| V OL | voltage | I OL = 5.5 mA | 3.0 V | 0.21 | 0.252 | |||
| V OL | I OL = 4 mA | 0.15 | 0.2 | |||||
| V OL | I OL = 8 mA | 4.5 V | 0.3 | 0.35 | ||||
| I I | Input leakage current | A input; V I = 0 V or V CC | 0 V, 1.8 V, 2.5 V, 3.3 V, 5.5 V 5.0 V | 0.1 1 | ±1 10 | μA | ||
| I CC | Static supply | V I = 0 V or V CC , | 3.3 V | 1 | 10 | μA | ||
| I CC | current | I O = 0; open on loading | 2.5 V | 1 | 10 | μA | ||
| I CC | Static supply | V I = 0 V or V CC , | 1.8 V | 1 | 10 | μA |
over recommended operating free-air temperature range (unless otherwise noted)
| PARAMETER | V CC | T A = 25°C | T A = 25°C | T A = 25°C | T A = -40°C to +125°C | T A = -40°C to +125°C | T A = -40°C to +125°C | UNIT | ||
|---|---|---|---|---|---|---|---|---|---|---|
| TEST CONDITIONS | MIN | TYP | MAX | MIN | TYP | MAX | ||||
| ΔI CC | Additional static supply | One input at 0.3 V or 3.4 V, Other inputs at 0 or V CC , I O = 0 | 5.5 V | 1.35 | 1.5 | mA | ||||
| ΔI CC | current | One input at 0.3 V or 1.1 V Other inputs at 0 or V CC , I O = 0 | 1.8 V | 10 | 10 | μA | ||||
| C i | Input capacitance | V I = V CC or GND | 3.3 V | 2 | 10 | 2 | 10 | pF | ||
| C o | Output capacitance | V O = V CC or GND | 3.3 V | 2.5 | 2.5 | pF |
Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted) (1)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| V CC | Supply voltage range | -0.5 | 7.0 | V |
| V I | Input voltage range (2) | -0.5 | 7.0 | V |
| V O | Voltage range applied to any output in the high or low state (2) | -0.5 | V CC + 0.5 | V |
| I IK | Input clamp current V I < 0 | -20 | mA | |
| I OK | Output clamp current V O < 0 or V O > V CC | ±20 | mA | |
| I O | Continuous output current | ±25 | mA | |
| Continuous current through V CC or GND | ±50 | mA | ||
| T J | Junction temperature | 150 | °C | |
| T stg | Storage temperature | -65 | 150 | °C |
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted) (1)
| MIN | MAX | UNIT | |||
|---|---|---|---|---|---|
| V CC | Supply voltage | Supply voltage | 1.6 | 5.5 | V |
| V I | Input voltage | Input voltage | 0 | 5.5 | V |
| V O | Output voltage | Output voltage | 0 | V CC | V |
| I OH | High-level output current | V CC = 1.8 V | -3 | mA | |
| I OH | High-level output current | V CC = 2.5 V | -5 | mA | |
| I OH | High-level output current | V CC = 3.3 V | -7 | mA | |
| I OH | High-level output current | V CC = 5.0 V | -8 | mA | |
| I OL | Low-level output current | V CC = 1.8 V | 3 | mA | |
| I OL | Low-level output current | V CC = 2.5 V | 5 | mA | |
| I OL | Low-level output current | V CC = 3.3 V | 7 | mA | |
| I OL | Low-level output current | V CC = 5.0 V | 8 | mA | |
| Δt/Δv | Input transition rise or fall rate | V CC = 1.8 V | 20 | ns/V | |
| Δt/Δv | Input transition rise or fall rate | V CC = 3.3 V or 2.5 V | 20 | ns/V | |
| Δt/Δv | Input transition rise or fall rate | V CC = 5.0 V | 20 | ns/V | |
| T A | Operating free-air temperature | Operating free-air temperature | -40 | 125 | °C |
Thermal Information
| THERMAL METRIC (1) | DBV 5 PINS | DCK 5 PINS | UNIT |
|---|---|---|---|
| R θJA Junction-to-ambient thermal resistance | 278 | 289.2 | °C/W |
Package Information
| PART NUMBER | PACKAGE (1) | PACKAGE SIZE (2) | BODY SIZE (3) |
|---|---|---|---|
| SN74LV1T125 | DBV (SOT-23, 5) | 2.90mm × 2.8mm | 2.9mm x 1.6mm |
| SN74LV1T125 | DCK (SC70, 5) | 2.00mm × 2.1mm | 2mm × 1.25mm |
- (1) For more information, see Section 12.
- (2) The package size (length × width) is a nominal value and includes pins, where applicable.
- (3) The body size (length x width) is a nominal value and does not include pins.
Switching Thresholds for 1.8V to 3.3V Translation
1 Refer to the V IH /VIL and output drive for lower V CC condition.
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| SN74LV1T125 | Texas Instruments | DBV (SOT-23, 5) |
| SN74LV1T125-Q1 | Texas Instruments | — |
| SN74LV1T125DBVR | Texas Instruments | SC-74A, SOT-753 |
| SN74LV1T125DBVR.A | Texas Instruments | — |
| SN74LV1T125DCKR | Texas Instruments | — |
| SN74LV1T125DCKR.A | Texas Instruments | — |
| SN74LV1TXXX | Texas Instruments | — |
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