My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX3374EEKA
- Part No.:
- MAX3374EEKA
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Translators, Level Shifters
- Package:
- Datasheet:
-
MAX3374EEKA.pdf
- Description:
- MAX3374EEKA
- Quantity:
- Payment:
- Shipping:
Inventory:3,120
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MAX3374EEKA from Maxim Integrated is a unidirectional ±15kV ESD-protected logic-level translator enabling voltage translation between VL = +1.2V to +5.5V and VCC = +1.65V to +5.5V domains. It supports guaranteed 8Mbps data rate (with 15pF load), features three-state output mode (<1μA supply current), and operates across –40°C to +85°C. It is used in SPI/I²C interfaces bridging low-voltage ASICs and higher-voltage microcontrollers.
For engineers reviewing the MAX3374EEKA datasheet, MAX3374EEKA pinout, MAX3374EEKA application, or MAX3374EEKA equivalent, key selection criteria include unidirectional VL→VCC translation direction, 8Mbps timing under +1.2V ≤ VL ≤ VCC ≤ +5.5V, ±15kV HBM ESD rating on VCC-side I/Os, thermal short-circuit protection, and compatibility with 3×4 UCSP-14 and TSSOP-14 packages.
Technical Context
The MAX3374EEKA implements unidirectional level shifting (VL → VCC only) using CMOS-based pass-gate architecture without bidirectional transmission-gate circuitry. Its input thresholds are VIHL = VL – 0.2V and VILL = 0.15V on VL side; VIHC = VCC – 0.4V and VILC = 0.15V on VCC side.
It integrates slew-rate limiting for EMI reduction and a speed-up one-shot circuit that activates internal pull-up MOSFETs (PU1/PU2) during low-to-high transitions to achieve sub-30ns rise/fall times at optimal voltage ranges (+1.8V ≤ VL ≤ VCC ≤ +2.5V or +2.5V ≤ VL ≤ VCC ≤ +3.3V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Translation Direction | Unidirectional VL → VCC only; no reverse path or automatic direction sensing. |
| Data Rate (Guaranteed) | 8Mbps over full voltage range (+1.2V ≤ VL ≤ VCC ≤ +5.5V); up to 16Mbps within specific domains (+1.8V–+2.5V or +2.5V–+3.3V). |
| ESD Protection | ±15kV Human Body Model on VCC-side I/O pins; enables robust external signal routing without external TVS diodes. |
| Supply Current (Active) | 130µA typical from VCC, 16µA typical from VL - enables ultra-low-power portable system integration. |
| Three-State Mode | THREE-STATE pin referenced to VL; pulls low to disable outputs and reduce total supply current to <1μA. |
| Operating Temp | –40°C to +85°C industrial range; validated for embedded telecom and portable POS applications. |
| Logic Thresholds | VIHL = VL – 0.2V, VILL = 0.15V (VL side); VIHC = VCC – 0.4V, VILC = 0.15V (VCC side) - ensures noise margin across voltage domains. |
Pinout & Package
MAX3374EEKA is packaged in a 14-pin TSSOP (3.0mm × 4.4mm) and also available in 3×4 UCSP-14. Pin functions are identical across both packages.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | High-side supply input | Accepts +1.65V to +5.5V; powers VCC-referenced I/Os and internal logic; must be ≥ VL – 0.3V. |
| VL | Low-side supply input | Accepts +1.2V to +5.5V; sets logic thresholds for VL-side I/Os; must be ≤ VCC + 0.3V. |
| I/O VL1–I/O VL4 | Low-voltage data inputs/outputs | Four bidirectional-capable VL-referenced terminals; for MAX3374EEKA, only VL→VCC translation is active (no reverse path). |
| I/O VCC1–I/O VCC4 | High-voltage data outputs | Four unidirectional VCC-referenced outputs; driven only when corresponding VL-side signal is asserted. |
| THREE-STATE | Output enable control | Active-low VL-referenced enable; drives all I/Os into high-impedance state and reduces IQ to <1μA. |
| GND | Common reference | Analog/digital ground return for both supply domains; must be connected to system common ground plane. |
| N.C. | No connection | Pins 6 and 9 in TSSOP-14 are not internally bonded; must remain unconnected and unstubbed. |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional Translation | Fixed VL→VCC direction eliminates bus contention risk in master-slave SPI systems where clock/data flow is strictly one-way. |
| Rise-Time Acceleration | Internal one-shot circuit cuts tRVCC/tRVL to ≤15ns in +2.5V/+3.3V domains - enables clean 16Mbps signaling without external gate drivers. |
| Thermal Short-Circuit Protection | Auto-enters three-state mode at TJ = +152°C and recovers at +142°C - prevents latch-up and enables fault-tolerant hot-swap operation. |
| ±15kV HBM ESD on VCC I/Os | Eliminates need for discrete ESD diodes on exposed VCC-side lines in handheld GPS or smart-card reader designs. |
| 1μA Three-State Current | Enables true power-gating of interface sections in battery-powered devices - extends runtime in sleep-mode POS terminals. |
Applications
| SPI Level Translation | I²C Level Translation |
|---|---|
Use Scenario: Interfacing a +1.8V FPGA SPI master to a +3.3V ADC slave in a portable medical sensor. IC Role / Device Role / Timing Role: Unidirectional level shifter translating SCLK/MOSI from VL domain to VCC domain; supports 8Mbps SCLK with <30ns propagation delay. Use Value: Eliminates need for external pull-ups or voltage dividers while maintaining timing integrity across voltage domains. | Use Scenario: Connecting a +1.2V PMIC to a +3.3V microcontroller via I²C bus in an ultra-low-power wearable. IC Role / Device Role / Timing Role: Translates SDA/SCL signals from VL to VCC side only; open-drain compatible with 500kbps I²C Fast Mode. Use Value: Enables direct I²C communication without bus arbitration conflicts or signal inversion errors. |
| Smart Card Readers | Cell-Phone Cradles |
Use Scenario: Level-shifting ISO 7816-3 compliant smart card interface signals between +3.3V host controller and +1.8V card in point-of-sale terminals. IC Role / Device Role / Timing Role: Translates I/O, RST, CLK from VL to VCC domain; supports 5MHz clock with <20ns skew across channels. Use Value: Meets EMVCo timing requirements while providing ±15kV ESD protection on exposed card-edge connectors. | Use Scenario: Bridging USB-UART bridge IC (+1.8V logic) to host MCU (+3.3V) in a docking station for legacy mobile phones. IC Role / Device Role / Timing Role: Translates UART TX/RX lines unidirectionally; handles 3Mbps UART with <30ns propagation delay. Use Value: Reduces BOM count by replacing discrete resistor networks and improves ESD immunity on exposed cradle ports. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional level translation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TXB0104PWR | Bidirectional auto-sensing; 1.2V–3.6V VL, 1.65V–5.5V VCC; no integrated ESD protection. | Requires external ±15kV TVS diodes on VCC I/Os; unsuitable for space-constrained cradle PCBs. | Select MAX3374EEKA when board area is limited and ESD robustness is required without external components. |
| SN74AVC4T245PWR | Unidirectional with direction control pin; 1.2V–3.6V I/O; no ESD rating specified; 3.3V-only VCC supply. | Lacks ±15kV HBM rating; requires separate ESD protection and dual-supply design effort. | Select MAX3374EEKA for drop-in replacement in existing +1.8V/+3.3V designs requiring certified ESD resilience. |
Compared with TXB0104PWR and SN74AVC4T245PWR, the MAX3374EEKA delivers verified ±15kV HBM ESD protection on VCC I/Os without external components, supports wider VL range down to +1.2V, and guarantees 8Mbps operation across full voltage range - making it optimal for compact, high-reliability portable interfaces.
Availability
MAX3374EEKA is available at Aetrix Electronics and suitable for SPI/I²C level translation, smart card readers, and cell-phone cradles requiring stable component supply, long-term lifecycle support, and guaranteed ESD performance.
Supply support for MAX3374EEKA 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
Maxim Integrated, now part of Analog Devices, designs precision analog, mixed-signal, and power management ICs for industrial, communications, and consumer applications.
The MAX3372E–MAX3379E family was engineered specifically for multivoltage system interoperability - delivering robust, ESD-hardened level translation between sub-1.8V logic and legacy 3.3V/5V interfaces in space- and power-constrained portable electronics.
FAQ
What is the maximum guaranteed data rate for MAX3374EEKA across its full operating voltage range?
The MAX3374EEKA guarantees 8Mbps operation for +1.2V ≤ VL ≤ VCC ≤ +5.5V with 15pF capacitive load. At narrower voltage combinations - such as +1.8V ≤ VL ≤ VCC ≤ +2.5V or +2.5V ≤ VL ≤ VCC ≤ +3.3V - it achieves up to 16Mbps. These higher rates are validated in the Timing Characteristics table of the MAX3374EEKA datasheet and require proper layout and load management.
Does MAX3374EEKA support bidirectional level translation like the MAX3372E?
No, MAX3374EEKA is strictly unidirectional (VL → VCC only). Unlike the MAX3372E/MAX3377E, it does not implement transmission-gate architecture for automatic bidirectional operation. Its pinout and internal logic are optimized for fixed-direction translation, eliminating bus contention risks in master-slave protocols like SPI.
Can MAX3374EEKA be used with VL = +1.2V and VCC = +5.5V simultaneously?
Yes, MAX3374EEKA supports VL as low as +1.2V and VCC as high as +5.5V concurrently, provided VL ≤ VCC + 0.3V (which holds here). Its input thresholds - VIHL = VL – 0.2V and VIHC = VCC – 0.4V - ensure reliable detection across this extreme ratio. This makes MAX3374EEKA ideal for interfacing ultra-low-power sensors to legacy 5V controllers.
How does the THREE-STATE pin function on MAX3374EEKA, and what logic level disables outputs?
The THREE-STATE pin on MAX3374EEKA is VL-referenced and active-low. Pulling it to GND places all I/O VL_ and I/O VCC_ pins in high-impedance state and reduces total supply current to <1μA. For normal operation, connect THREE-STATE to VL (logic high). This behavior is confirmed in the Electrical Characteristics table and Pin Description section of the MAX3374EEKA datasheet.
Is external ESD protection required when using MAX3374EEKA in a handheld GPS device?
No, external ESD protection is not required on VCC-side I/Os when using MAX3374EEKA. It provides certified ±15kV Human Body Model ESD protection on all VCC-referenced I/O pins - sufficient for direct connection to exposed antenna or serial interfaces in handheld GPS units. The ESD structures remain functional in all states: active, three-state, and powered-down.
MAX3374EEKA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Translator Type:
- -
- Channel Type:
- -
- Number of Circuits:
- -
- Channels per Circuit:
- -
- Voltage - VCCA:
- -
- Voltage - VCCB:
- -
- Input Signal:
- -
- Output Signal:
- -
- Output Type:
- -
- Data Rate:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Features:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
MAX3374EEKA FAQ
1.How can I place an order for MAX3374EEKA through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX3374EEKA 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 MAX3374EEKA reliable?
The price and inventory of MAX3374EEKA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX3374EEKA is usually 5 days.
3.What payment methods are accepted for MAX3374EEKA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX3374EEKA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX3374EEKA?
MAX3374EEKA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX3374EEKA 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 MAX3374EEKA?
For technical support, including MAX3374EEKA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX3374EEKA requirements.
6.How does Aetrix verify that MAX3374EEKA is sourced from the original manufacturer or authorized distributors?
All MAX3374EEKA 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 MAX3374EEKA meets industry standards.
7.What is the process for return or replacement of MAX3374EEKA?
All MAX3374EEKA units undergo pre-shipment inspection (PSI). If there is an issue with MAX3374EEKA, 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 MAX3374EEKA part is unused and in its original packaging.
Return procedure for MAX3374EEKA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX3374EEKA 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…
