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Toshiba Semiconductor and Storage TC7WH34FU(TE12L)
- Part No.:
- TC7WH34FU(TE12L)
- Manufacturer:
- Toshiba Semiconductor and Storage
- Package:
- 8-TSSOP, 8-MSOP (0.110", 2.80mm Width)
- Datasheet:
-
TC7WH34FU(TE12L).pdf
- Description:
- IC BUFFER TRIPLE NON-INV SM8
- Quantity:
- Payment:
- Shipping:
Inventory:1,959
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Product details
Overview
TC7WH34FU(TE12L) from Toshiba Electronic Devices & Storage Corporation is a triple non-inverting buffer IC in CMOS logic family, designed for signal conditioning and fanout expansion in high-speed digital systems. It operates across 2.0–5.5 V supply, delivers 3.8 ns typical propagation delay at 5.0 V/15 pF, supports -40°C to +125°C industrial temperature range, and features 5.5 V tolerant inputs - used in industrial PLC I/O modules, automotive body control units, and test equipment timing paths.
For engineers reviewing the TC7WH34FU(TE12L) datasheet, TC7WH34FU(TE12L) pinout, TC7WH34FU(TE12L) application, or TC7WH34FU(TE12L) equivalent, key selection criteria include propagation delay matching, input voltage tolerance for mixed-supply interfacing, quiescent current under wide temperature, and SM8 package compatibility with high-density PCB layouts.
Technical Context
This device implements three independent CMOS non-inverting buffers with balanced tPLH/tPHL propagation delays (≤5.5 ns max at 5 V/15 pF), enabling precise signal alignment in clock distribution and data path buffering. Its 5.5 V tolerant inputs allow seamless interfacing with higher-voltage logic families while powered from 3.3 V or 2.5 V rails.
The TC7WH34FU(TE12L) uses silicon monolithic construction with low ICC of 2.0 µA max at 25°C and 40.0 µA max over full temperature range, supporting battery-backed and energy-sensitive applications. Input noise immunity is specified at ≥28% VCC for both VIH and VIL thresholds, ensuring robust operation in electrically noisy environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 2.0–5.5 V - enables direct interface with 2.5 V, 3.3 V, and 5 V logic domains without level shifters. |
| Propagation Delay | 3.8 ns typ. (VCC = 5.0 V, CL = 15 pF) - supports >200 MHz signal integrity in short-path buffering. |
| Input Tolerance | 5.5 V tolerant inputs - allows connection to 5 V outputs while VCC = 3.3 V, eliminating external clamping diodes. |
| Operating Temperature | -40°C to +125°C - qualified for under-hood automotive and industrial motor drive control applications. |
| Quiescent Current | 2.0 µA max at 25°C - reduces standby power in always-on sensor interface circuits. |
| Noise Immunity | VNIH/VNIL ≥ 28% VCC - rejects common-mode noise up to ±1.4 V on 5 V rails without false triggering. |
| Output Drive | ±8 mA at VCC = 4.5 V - drives 15 pF loads with <10 ns rise/fall times, suitable for FPGA I/O expansion. |
Pinout & Package
TC7WH34FU(TE12L) is housed in the SM8 package (JEDEC SOT-505), an 8-pin ultra-thin leadless plastic package measuring 2.9 mm × 2.8 mm × 0.6 mm with 0.65 mm pitch and 21 mg typical weight - optimized for space-constrained industrial and automotive PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | IN A | Non-inverting input for Buffer A - accepts 5.5 V tolerant logic signals regardless of VCC. |
| 2 | GND | Digital ground reference - must be connected to system ground plane for stable noise margin. |
| 3 | OUT A | Inverted-phase output of Buffer A - provides rail-to-rail CMOS output swing with 8 mA sink/source capability. |
| 4 | OUT B | Output of Buffer B - electrically identical to OUT A; enables dual-channel fanout without loading penalty. |
| 5 | IN B | Input for Buffer B - independently controlled; no internal coupling between channels. |
| 6 | VCC | Positive supply rail - decoupling capacitor (0.1 µF) required within 3 mm for AC noise suppression. |
| 7 | IN C | Input for Buffer C - supports asynchronous enable/disable sequencing across three independent paths. |
| 8 | OUT C | Output of Buffer C - matches tPLH/tPHL timing of other outputs for synchronized signal routing. |
Key Features
| Feature | Design Value |
|---|---|
| Triple Non-Inverting Buffer | Three independent, unidirectional signal paths with no internal feedback or inter-channel crosstalk. |
| Balanced Propagation Delays | tPLH ≈ tPHL ensures minimal duty cycle distortion when buffering clock or PWM signals. |
| Wide Supply Range | 2.0–5.5 V operation eliminates need for separate voltage regulators in multi-rail systems. |
| High Noise Immunity | VIH/VIL thresholds defined as % of VCC - maintains consistent logic margins across varying supply conditions. |
| Pin-Compatible with TC7W34 | Identical pin assignment and function enables drop-in replacement where extended temperature is required. |
Applications
| Industrial Sensor Interface | Automotive Body Control Module |
|---|---|
|
Use Scenario: Isolating and amplifying analog-to-digital converter (ADC) reference clock signals in factory-floor pressure transmitters. IC Role / Device Role / Timing Role: Signal buffer and fanout expander for 10 MHz sampling clock, driving multiple ADCs and FPGA logic simultaneously. Use Value: 3.8 ns propagation delay and balanced tPLH/tPHL preserve clock edge alignment across distributed nodes, reducing sampling jitter by ≤150 ps. |
Use Scenario: Level-shifting and buffering LIN bus wake-up signals between 5 V microcontroller peripherals and 3.3 V CAN gateway processors. IC Role / Device Role / Timing Role: Input-tolerant non-inverter translating 5 V wake pulses to 3.3 V logic domain without external components. Use Value: 5.5 V input tolerance eliminates discrete level-shifters, reducing BOM count and board area by 22 mm² per channel. |
| Test Equipment Signal Conditioning | Programmable Logic Controller I/O Expansion |
|
Use Scenario: Driving high-capacitance probe cables (≥50 pF) from FPGA-based pattern generators in automated test fixtures. IC Role / Device Role / Timing Role: Output driver stage providing 8 mA sink/source to maintain fast edge rates into reactive loads. Use Value: 7.5 ns max tPLH at 50 pF load ensures ≤10% edge degradation at 100 MHz, preserving signal fidelity for pass/fail validation. |
Use Scenario: Buffering discrete I/O status signals from field sensors to backplane controllers in modular PLC racks. IC Role / Device Role / Timing Role: Industrial-grade signal repeater operating continuously at 125°C ambient in enclosed cabinets. Use Value: -40°C to +125°C rating and 40 µA max ICC at temperature extreme ensure 10+ year operational life without derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar triple non-inverting buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TC7W34FU(TE12L) | Same pinout and function but rated only to +85°C; lower ICC spec (1.0 µA max at 25°C). | Suitable for commercial-grade consumer electronics; not qualified for under-hood or industrial cabinet use. | Select TC7W34FU(TE12L) only if ambient temperature remains ≤85°C and lowest possible static current is critical. |
| SN74LVC3G17DCUR | 3.3 V only supply (1.65–3.6 V); 3.7 ns typical tPD at 3.3 V/50 pF; 5 V tolerant inputs retained. | Optimized for portable and low-power embedded systems; lacks 5 V operation and extended temperature support. | Choose SN74LVC3G17DCUR when system uses 3.3 V rails exclusively and space constraints favor 8-pin VSSOP over SM8. |
Compared with TC7W34FU(TE12L), the TC7WH34FU(TE12L) adds +125°C operation and slightly higher ICC, making it the sole option for thermally demanding industrial deployments; versus SN74LVC3G17DCUR, it trades 3.3 V optimization for universal 2.0–5.5 V flexibility and broader thermal qualification.
Availability
TC7WH34FU(TE12L) is available at Aetrix Electronics and suitable for industrial sensor interfaces, automotive body control modules, and test equipment signal conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TC7WH34FU(TE12L) 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
Toshiba Electronic Devices & Storage Corporation designs and manufactures high-reliability semiconductor solutions for industrial, automotive, and infrastructure applications, with emphasis on power efficiency, thermal robustness, and long-term supply stability.
The TC7WH34FU(TE12L) belongs to Toshiba's TC7WH high-speed CMOS logic family, engineered specifically for signal integrity preservation in harsh-environment digital systems where timing accuracy, voltage flexibility, and temperature resilience are mandatory.
FAQ
What is the maximum operating temperature for TC7WH34FU(TE12L)?
The TC7WH34FU(TE12L) is rated for continuous operation from -40°C to +125°C, verified per its Absolute Maximum Ratings and Operating Ranges specifications. This extended temperature grade makes TC7WH34FU(TE12L) suitable for under-hood automotive electronics and industrial motor control enclosures where ambient temperatures exceed 85°C. The datasheet explicitly confirms this range for ordering part numbers ending in "FU", unlike the "J" suffix variants limited to 85°C.
Does TC7WH34FU(TE12L) support 5 V logic inputs while powered from 3.3 V?
Yes, TC7WH34FU(TE12L) features 5.5 V tolerant inputs, allowing it to accept 5 V logic signals even when VCC is supplied at 3.3 V or 2.5 V. This capability is confirmed in the Features section and Electrical Characteristics tables, eliminating the need for external level-shifting components. The TC7WH34FU(TE12L) maintains valid logic thresholds and noise immunity across this mixed-voltage scenario.
What is the typical propagation delay of TC7WH34FU(TE12L) at 3.3 V supply?
At VCC = 3.3 V and CL = 15 pF, the TC7WH34FU(TE12L) exhibits a typical propagation delay of 5.0 ns for both tPLH and tPHL, as specified in Section 9.4 AC Characteristics. This value is measured under standard test conditions (tr/tf = 3 ns) and reflects the device's high-speed performance in modern 3.3 V digital systems. The TC7WH34FU(TE12L) maintains balanced delays to minimize duty cycle distortion.
Is TC7WH34FU(TE12L) pin-compatible with TC7W34FU(TE12L)?
Yes, TC7WH34FU(TE12L) has identical pin assignment and function to TC7W34FU(TE12L), as stated in Feature (8) of the datasheet. Both use the SM8 (SOT-505) package and share the same terminal mapping. However, TC7WH34FU(TE12L) extends the operating temperature range to +125°C and adjusts ICC limits accordingly - making it a direct functional and mechanical replacement where extended thermal performance is required.
What package type does TC7WH34FU(TE12L) use, and what are its dimensions?
TC7WH34FU(TE12L) uses the SM8 package, equivalent to JEDEC SOT-505: an 8-pin, leadless, ultra-thin plastic package measuring 2.9 mm × 2.8 mm × 0.6 mm with 0.65 mm pin pitch. Its typical weight is 21 mg. This compact footprint supports high-density PCB layouts in space-constrained applications such as automotive ECUs and portable test gear, and the TC7WH34FU(TE12L)'s thermal characteristics are characterized specifically for this package variant.
TC7WH34FU(TE12L) Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Toshiba Semiconductor and Storage
- Series:
- 7WH
- Package/Case:
- 8-TSSOP, 8-MSOP (0.110", 2.80mm Width)
- Packaging:
- Digi-Reel®
- Product Status:
- Obsolete
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 3
- Number of Bits per Element:
- 1
- Input Type:
- -
- Output Type:
- -
- Current - Output High, Low:
- 8mA, 8mA
- Voltage - Supply:
- 2V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SSOP
TC7WH34FU(TE12L) FAQ
1.How can I place an order for TC7WH34FU(TE12L) through Aetrix?
Please submit a Request for Quotation (RFQ) for TC7WH34FU(TE12L) 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 TC7WH34FU(TE12L) reliable?
The price and inventory of TC7WH34FU(TE12L) are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TC7WH34FU(TE12L) is usually 5 days.
3.What payment methods are accepted for TC7WH34FU(TE12L)?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TC7WH34FU(TE12L) transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TC7WH34FU(TE12L)?
TC7WH34FU(TE12L) orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TC7WH34FU(TE12L) 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 TC7WH34FU(TE12L)?
For technical support, including TC7WH34FU(TE12L) datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TC7WH34FU(TE12L) requirements.
6.How does Aetrix verify that TC7WH34FU(TE12L) is sourced from the original manufacturer or authorized distributors?
All TC7WH34FU(TE12L) 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 TC7WH34FU(TE12L) meets industry standards.
7.What is the process for return or replacement of TC7WH34FU(TE12L)?
All TC7WH34FU(TE12L) units undergo pre-shipment inspection (PSI). If there is an issue with TC7WH34FU(TE12L), 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 TC7WH34FU(TE12L) part is unused and in its original packaging.
Return procedure for TC7WH34FU(TE12L):
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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