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SNJ54HC164J
Texas Instruments
54HC164 8-BIT PARALLEL-OUT SERIA
1707 Pcs New Original In Stock
Shift Element Bit
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Minimum 1
5.0 / 5.0
- (255 Ratings)
SNJ54HC164J
Product Overview
9525703
DiGi Electronics Part Number
SNJ54HC164J-DGManufacturer
Texas Instruments
SNJ54HC164J
Description
54HC164 8-BIT PARALLEL-OUT SERIAInventory
1707 Pcs New Original In Stock
Shift Element Bit
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.
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Worldwide Delivery in 3-5 Business Days
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SNJ54HC164J Technical Specifications
Category
Logic, Shift Registers
Packaging
Bulk
Series
*
Product Status
Active
Base Product Number
54HC164
Datasheet & Documents
HTML Datasheet
SNJ54HC164J-DG
Environmental & Export Classification
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
TEXTISSNJ54HC164J
2156-SNJ54HC164J
Standard Package
30
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
他們的專業程度令人印象深刻，細心周到讓人非常感動。
de desembre 02, 2025
他們的服務流程非常流暢，讓我感受到他們的效率與用心。
de desembre 02, 2025
Schneller Versand und freundliche Beratung, alles top!
de desembre 02, 2025
They handled shipping efficiently, ensuring my order arrived without delay.
de desembre 02, 2025
Their excellent customer service makes our ongoing collaboration very smooth.
de desembre 02, 2025
DiGi Electronics consistently impresses with its combination of innovative packaging and excellent logistics.
de desembre 02, 2025
Rapid after-sales support from DiGi Electronics has been vital in maintaining our customer satisfaction levels.
de desembre 02, 2025
Their after-sales assistance included helpful tips and follow-up, which I found very valuable.
de desembre 02, 2025
Great prices and environmentally conscious packing—DiGi hits the mark every time.
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Frequently Asked Questions (FAQ)
Can the SNJ54HC164J be safely used in a 5V industrial control system with mixed 3.3V microcontroller logic, and what level-shifting precautions are needed to avoid damage or signal integrity issues?
The SNJ54HC164J operates from 2V to 6V and is 5V-tolerant on its inputs, making it compatible with 5V systems. However, when driven by a 3.3V microcontroller, ensure the input high voltage (VIH) meets the minimum threshold—typically 3.5V at 5V VCC. Since 3.3V may fall below this, use a level translator (e.g., TXB0108) or pull-up resistors to 5V on the serial inputs (A, B) to guarantee reliable high-level recognition. Without this, intermittent data errors or metastability may occur during shift operations.
Is the SNJ54HC164J a drop-in replacement for the older CD74HC164E in a legacy PCB design, and are there any timing or drive strength differences that could affect high-speed clocking above 20 MHz?
While the SNJ54HC164J and CD74HC164E share the same pinout and function, the SNJ54HC164J is a military-grade (54-series) version with tighter process controls and potentially better propagation delay matching. However, both are rated for similar max clock frequencies (~30–50 MHz typical at 5V). The key risk in high-speed replacement is output drive strength: the SNJ54HC164J may have slightly different fan-out characteristics under temperature extremes. Verify signal integrity on long traces—consider series termination resistors (22–33Ω) if replacing in high-speed designs to mitigate reflections.
What are the thermal and derating considerations when using the SNJ54HC164J in an enclosed industrial enclosure with ambient temperatures up to 70°C, and how does this impact long-term reliability compared to commercial-grade alternatives?
The SNJ54HC164J is rated for the full military temperature range (-55°C to +125°C), so operation at 70°C ambient is well within spec. However, in enclosed systems, internal temperatures can exceed ambient by 15–25°C due to neighboring components. Ensure adequate airflow or heatsinking if power dissipation is high (e.g., driving multiple LEDs). Unlike commercial-grade 74HC164 variants, the SNJ54HC164J undergoes enhanced screening, offering superior reliability under thermal stress—critical for mission-critical applications where failure is not an option.
Can I cascade multiple SNJ54HC164J devices to create a 24-bit shift register for an LED matrix driver, and what clock skew or propagation delay issues should I anticipate at 25 MHz operation?
Yes, the SNJ54HC164J supports cascading via its serial output (Q7) to the next stage’s serial input. However, at 25 MHz, cumulative propagation delay (tPD ≈ 13 ns typical per stage at 5V) can cause significant clock-to-output skew across stages—up to 39 ns over three devices. This may violate setup times in synchronous systems. To mitigate, use a buffered clock distribution network, minimize trace lengths between devices, and consider inserting a reclocking flip-flop (e.g., 74HC574) after every 8–16 bits to realign data and prevent timing violations.
How does the SNJ54HC164J compare to the NXP 74HC164D in terms of ESD robustness and long-term availability for defense or aerospace applications, and is cross-sourcing advisable?
The SNJ54HC164J, being a Texas Instruments military-spec part, offers higher ESD protection (typically >2 kV HBM) and guaranteed long-term supply under TI’s longevity program—critical for defense and aerospace programs with 10+ year lifecycles. In contrast, the NXP 74HC164D is commercial-grade with no such guarantees. While functionally similar, cross-sourcing introduces qualification risks: differences in moisture sensitivity, packaging, and screening can affect reliability in harsh environments. If substitution is necessary, perform full environmental and EMC testing; otherwise, stick with the SNJ54HC164J for certified applications.
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.
SNJ54HC164J CAD Models
Texas Instruments SNJ54HC164J PCB symbols & footprints
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