Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
0.0 / 5.0
- (0 Ratings)
MM74HC373MTC
Electronics Part Number
MM74HC373MTC-WXManufacturer
Diodes Incorporated
MM74HC373MTC
Description
D-Type Transparent Latch, 8-Bit, 20-Pin TSSOP ICInventory
394 Pcs New Original In Stock
D-type transparent latch, 8-bit, tri-state, 20-TSSOP; high-impedance output isolation, for address/data bus latching in microprocessors.
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
RFQ (Request for Quotations)
Submit your RFQ directly on the product detail page or the RFQ page.
Our sales team will respond within 24 hours.
Payment method
PayPal (recommended for new customers)
Credit Cards
Wire Transfer (T/T) – Available in USD, EUR, HKD, and other currencies.
Important Notice
You'll receive a confirmation email after submitting an RFQ.
Didn't get it? Check your spam folder and whitelist Info@WINSURE-Electronics.com
Prices and stock may change; we'll reconfirm your order.
Questions? Contact us anytime.
Freight
Basic cost: USD 70.00
Actual cost may vary depending on weight and destination
Shipping method
Shipped from Hong Kong via FedEx/DHL/UPS/TNT
Delivery Time
In-stock items: Ready to ship in 1-2 days
Transit time: 3-5 business days (FedEx/DHL/UPS)
Special requests? Contact us: Info@WINSURE-Electronics.com
Quantity
Minimum 1
Minimum 1
(*) (*) is mandatory
We'll get back to you within 24 hours
Technical Specifications
Category
Logic, Signal Switches, Multiplexers, Decoders
Manufacturer
Diodes Incorporated
Packaging
Tube
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-TSSOP (0.173", 4.40mm Width)
Series
-
Base Product Number
PI5C3257
Product Status
Last Time Buy
Type
Multiplexer/Demultiplexer
Voltage - Supply
4.75V ~ 5.25V
Supplier Device Package
16-TSSOP
Circuit
4 x 2:1
Current - Output High, Low
-
Voltage Supply Source
Single Supply
Independent Circuits
1
Data Sheet Document (D)
Datasheets
Download PI5C3257LE Product Specification (PDF)
HTML Datasheet
PI5C3257LE-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Standard Package
96
Reviews
0.0/5.0-(Show up to 5 Ratings)
No reviews yet
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
Is the PI5C3257LE suitable for 3.3V system designs, and what risks should I consider when operating
The PI5C3257LE is specified for a single 4.75V to 5.25V supply and is not guaranteed to operate reliably at 3.3V. While it may function marginally at lower voltages due to CMOS thresholds, signal integrity, switching speed, and on-resistance will degrade significantly, increasing the risk of data errors in high-speed or noisy environments. For 3.3V systems, consider the SN74CBT3257PWR instead, which supports 2.7V to 3.6V operation. Using the PI5C3257LE below 4.75V violates its datasheet limits and voids reliability assurances, especially under temperature extremes.
Can I replace the PI5C3257LE with the SN74CBT3257PW in an existing 5V design without redesigning the
Yes, the SN74CBT3257PW is a direct functional and pin-compatible replacement for the PI5C3257LE in 5V applications and shares the same 16-TSSOP package footprint. However, verify that your design accounts for minor differences in propagation delay (typically faster in the SN74CBT3257PW) and input leakage current, which could affect timing margins in high-speed buses. Since the PI5C3257LE is in Last Time Buy status, migrating to the SN74CBT3257PW is a recommended long-term strategy, but perform signal integrity validation on your specific layout to ensure compatibility.
What are the thermal and reliability implications of using the PI5C3257LE in an industrial environme
Operating the PI5C3257LE at or near 85°C increases the risk of accelerated electromigration and long-term parametric drift, especially under continuous high-frequency switching. While the device is rated for -40°C to 85°C, sustained operation at the upper limit reduces mean time between failures (MTBF) and may cause intermittent faults due to increased on-resistance and timing skew. To mitigate risk, ensure adequate PCB copper pour for heat dissipation, avoid placing the device near other heat sources, and derate signal frequency if possible. For mission-critical industrial applications, consider qualifying a more robust alternative like the 74FST3257DTR2G with enhanced thermal performance.
How does the PI5C3257LE compare to the FST3257MTCX in terms of signal integrity and crosstalk in hig
The PI5C3257LE and FST3257MTCX are both 4x2:1 multiplexers, but the FST3257MTCX offers superior channel-to-channel isolation and lower crosstalk due to optimized internal switching architecture, making it better suited for high-speed buses (e.g., SPI, I2C, or address/data lines) where signal integrity is critical. The PI5C3257LE may exhibit higher crosstalk at frequencies above 50 MHz, potentially causing glitches in sensitive systems. If your design operates above this threshold or in electrically noisy environments, the FST3257MTCX is a lower-risk choice despite minor cost differences. Always simulate or prototype with real signals to validate performance.
Given that the PI5C3257LE is in Last Time Buy status, what long-term supply chain risks should I eva
The Last Time Buy status of the PI5C3257LE indicates it will no longer be manufactured after current inventory is depleted, creating significant supply chain risk for ongoing production. Delays in final procurement could halt manufacturing, and counterfeit parts may appear in the open market. To mitigate this, immediately secure sufficient inventory based on your forecasted demand, qualify one or more of the listed substitutes (e.g., SN74CBT3257PWR or 74FST3257DTR2G) through design verification testing, and update your BOM with a second-source strategy. Engage with Diodes Incorporated or authorized distributors to confirm final shipment dates and explore lifecycle extension options.
Is the PI5C3257LE suitable for 3.3V system designs, and what risks should I consider when operating
The PI5C3257LE is specified for a single 4.75V to 5.25V supply and is not guaranteed to operate reliably at 3.3V. While it may function marginally at lower voltages due to CMOS thresholds, signal integrity, switching speed, and on-resistance will degrade significantly, increasing the risk of data errors in high-speed or noisy environments. For 3.3V systems, consider the SN74CBT3257PWR instead, which supports 2.7V to 3.6V operation. Using the PI5C3257LE below 4.75V violates its datasheet limits and voids reliability assurances, especially under temperature extremes.
Can I replace the PI5C3257LE with the SN74CBT3257PW in an existing 5V design without redesigning the
Yes, the SN74CBT3257PW is a direct functional and pin-compatible replacement for the PI5C3257LE in 5V applications and shares the same 16-TSSOP package footprint. However, verify that your design accounts for minor differences in propagation delay (typically faster in the SN74CBT3257PW) and input leakage current, which could affect timing margins in high-speed buses. Since the PI5C3257LE is in Last Time Buy status, migrating to the SN74CBT3257PW is a recommended long-term strategy, but perform signal integrity validation on your specific layout to ensure compatibility.
What are the thermal and reliability implications of using the PI5C3257LE in an industrial environme
Operating the PI5C3257LE at or near 85°C increases the risk of accelerated electromigration and long-term parametric drift, especially under continuous high-frequency switching. While the device is rated for -40°C to 85°C, sustained operation at the upper limit reduces mean time between failures (MTBF) and may cause intermittent faults due to increased on-resistance and timing skew. To mitigate risk, ensure adequate PCB copper pour for heat dissipation, avoid placing the device near other heat sources, and derate signal frequency if possible. For mission-critical industrial applications, consider qualifying a more robust alternative like the 74FST3257DTR2G with enhanced thermal performance.
How does the PI5C3257LE compare to the FST3257MTCX in terms of signal integrity and crosstalk in hig
The PI5C3257LE and FST3257MTCX are both 4x2:1 multiplexers, but the FST3257MTCX offers superior channel-to-channel isolation and lower crosstalk due to optimized internal switching architecture, making it better suited for high-speed buses (e.g., SPI, I2C, or address/data lines) where signal integrity is critical. The PI5C3257LE may exhibit higher crosstalk at frequencies above 50 MHz, potentially causing glitches in sensitive systems. If your design operates above this threshold or in electrically noisy environments, the FST3257MTCX is a lower-risk choice despite minor cost differences. Always simulate or prototype with real signals to validate performance.
Given that the PI5C3257LE is in Last Time Buy status, what long-term supply chain risks should I eva
The Last Time Buy status of the PI5C3257LE indicates it will no longer be manufactured after current inventory is depleted, creating significant supply chain risk for ongoing production. Delays in final procurement could halt manufacturing, and counterfeit parts may appear in the open market. To mitigate this, immediately secure sufficient inventory based on your forecasted demand, qualify one or more of the listed substitutes (e.g., SN74CBT3257PWR or 74FST3257DTR2G) through design verification testing, and update your BOM with a second-source strategy. Engage with Diodes Incorporated or authorized distributors to confirm final shipment dates and explore lifecycle extension options.
Quality Assurance (QC)
WINSURE 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.
Sep 15 2026
