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UM3212M8
Union Semiconductor International Limited
IC TRANSLTR BIDIRECTIONAL 8MSOP
40849 Pcs New Original In Stock
Voltage Level Translator Bidirectional 1 Circuit 2 Channel 8-MSOP
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (329 Ratings)
UM3212M8
Product Overview
9832007
DiGi Electronics Part Number
UM3212M8-DGManufacturer
Union Semiconductor International Limited
UM3212M8
Description
IC TRANSLTR BIDIRECTIONAL 8MSOPInventory
40849 Pcs New Original In Stock
Voltage Level Translator Bidirectional 1 Circuit 2 Channel 8-MSOP
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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365 - Day Quality Guarantee - Every part fully backed.
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UM3212M8 Technical Specifications
Category
Logic, Translators, Level Shifters
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Translator Type
Voltage Level
Channel Type
Bidirectional
Number of Circuits
1
Channels per Circuit
2
Voltage - VCCA
1.65 V ~ 3.6 V
Voltage - VCCB
2.3 V ~ 5.5 V
Input Signal
-
Output Signal
-
Output Type
Open Drain
Data Rate
-
Operating Temperature
-40°C ~ 85°C (TA)
Features
-
Mounting Type
Surface Mount
Package / Case
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package
8-MSOP
Base Product Number
UM3212
Datasheet & Documents
HTML Datasheet
UM3212M8-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
3351-UM3212M8TR
Standard Package
1
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
Their logistics partners are reliable, and shipments are always tracked accurately from dispatch to delivery.
грудня 02, 2025
The packaging was very secure, with ample padding to prevent any damage.
грудня 02, 2025
Their affordability and attentive after-sales response set them apart from other suppliers.
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Frequently Asked Questions (FAQ)
What are the risks of using the UM3212M8 for bidirectional level translation between a 1.8V microcontroller and a 5V sensor in an open-drain configuration?
When using the UM3212M8 for translating between a 1.8V MCU (on VCCA) and a 5V sensor (on VCCB), ensure that both sides use external pull-up resistors since the device has an open-drain output. A key risk is signal integrity degradation due to mismatched rise times—especially on the 5V side where higher pull-up strength may be needed. Use pull-ups optimized for bus capacitance (e.g., 1kΩ to 10kΩ) and verify signal timing does not violate the sensor’s requirements. Also confirm that the 1.8V rail is stable within the UM3212M8's VCCA range (1.65V–3.6V) to prevent translation errors or bus contention.
Can the UM3212M8 replace the TXS0108E in a mixed-voltage FPGA interface design, and what are the critical differences to watch for?
The UM3212M8 can serve as a partial drop-in replacement for the TXS0108E in bidirectional level shifting between 1.8V and 3.3V/5V domains, but with important trade-offs. Unlike the TXS0108E, the UM3212M8 is a 2-channel device with open-drain outputs, requiring external pull-ups on both channels, while the TXS0108E supports push-pull operation and more channels. This makes the UM3212M8 suitable only for low-to-medium speed applications and limited channel needs. Verify that your FPGA and peripheral can tolerate open-drain signaling and assess impact on rise time and power consumption due to external resistors.
How does the UM3212M8 handle voltage ripple or brownout conditions on the VCCA 1.8V supply in industrial environments?
The UM3212M8 specifies a minimum VCCA of 1.65V; operating below this threshold risks unreliable level translation or bus glitches. In industrial systems where power rails may experience ripple or brownouts (e.g., from switching regulators or cable drop), maintain VCCA regulation within the 1.65V–3.6V window using a low-dropout regulator with adequate decoupling (e.g., 100nF ceramic capacitor near the VCCA pin). Additionally, ensure that both VCCA and VCCB power supplies sequence predictably—preferably simultaneously or with VCCA powered before VCCB—to avoid unintended current paths and latch-up risks.
Is the 8-MSOP package of the UM3212M8 suitable for high-vibration automotive applications, and what PCB layout practices improve reliability?
The UM3212M8’s 8-MSOP surface-mount package can be used in automotive environments provided proper PCB design mitigates mechanical stress. Use robust solder fillet profiles, avoid placing the device near board edges or connectors prone to flexing, and consider adhesive underfill in high-vibration scenarios. Follow JEDEC MSL3 handling guidelines (168-hour floor life)—bake if exposed beyond limit—and ensure thermal relief in thermal pads. Also, keep trace lengths short and symmetric for signal integrity, particularly in electrically noisy vehicle systems.
What are the fail-safe behaviors of the UM3212M8 during power-down or hot-insertion scenarios when interfacing with live 3.3V buses?
During power-down, the UM3212M8 enters a high-impedance state, but its VCCB terminal can be exposed to live 3.3V buses even when VCCA is unpowered. While the device is rated for I/O tolerance (VCCB up to 5.5V), ensure no current flows back into the unpowered 1.8V domain via unintended paths—this could damage upstream components. Use power supply sequencing or diode isolation if necessary. For hot-swap applications, implement RC snubbers or series resistors to limit inrush current, and always tie unused inputs to GND via a resistor to prevent floating states.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
UM3212M8 CAD Models
Union Semiconductor International Limited UM3212M8 PCB symbols & footprints
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