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BQ4010YMA-150
Texas Instruments
IC NVSRAM 64KBIT PARALLEL 28DIP
1458 Pcs New Original In Stock
NVSRAM (Non-Volatile SRAM) Memory IC 64Kbit Parallel 150 ns 28-DIP Module (18.42x37.72)
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5.0 / 5.0
- (221 Ratings)
BQ4010YMA-150
Product Overview
1262915
DiGi Electronics Part Number
BQ4010YMA-150-DGManufacturer
Texas Instruments
BQ4010YMA-150
Description
IC NVSRAM 64KBIT PARALLEL 28DIPInventory
1458 Pcs New Original In Stock
NVSRAM (Non-Volatile SRAM) Memory IC 64Kbit Parallel 150 ns 28-DIP Module (18.42x37.72)
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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BQ4010YMA-150 Technical Specifications
Category
Memory, Memory
Packaging
-
Series
-
Product Status
Obsolete
DiGi-Electronics Programmable
Not Verified
Memory Type
Non-Volatile
Memory Format
NVSRAM
Technology
NVSRAM (Non-Volatile SRAM)
Memory Size
64Kbit
Memory Organization
8K x 8
Memory Interface
Parallel
Write Cycle Time - Word, Page
150ns
Access Time
150 ns
Voltage - Supply
4.5V ~ 5.5V
Operating Temperature
0°C ~ 70°C (TA)
Mounting Type
Through Hole
Package / Case
28-DIP Module (0.61", 15.49mm)
Supplier Device Package
28-DIP Module (18.42x37.72)
Base Product Number
BQ4010
Datasheet & Documents
HTML Datasheet
BQ4010YMA-150-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.32.0041
Additional Information
Other Names
BQ4010YMA150
296-32842-5
BQ4010YMA-150-DG
Standard Package
14
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
DS1225AD-70IND+
Analog Devices Inc./Maxim Integrated
3754
DS1225AD-70IND+-DG
17.9620
MFR Recommended
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
DiGi Electronicsは多彩な商品ラインナップで、購入の際に迷うことがありません。
Dec 02, 2025
Die Logistikprozesse bei DiGi Electronics sind effizient, was zu schnellen und sicheren Lieferungen führt.
Dec 02, 2025
My experience with their customer service was fantastic—professional and friendly.
Dec 02, 2025
The quality of support from DiGi shows their genuine concern for customer happiness.
Dec 02, 2025
Affordable and environmentally friendly—DiGi is making a difference one package at a time.
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Frequently Asked Questions (FAQ)
Can I use the BQ4010YMA-150 in a new design despite its obsolete status, and what are the long-term supply and reliability risks?
While the BQ4010YMA-150 is technically functional and RoHS3 compliant, its 'Obsolete' status from Texas Instruments means it is no longer recommended for new designs. Using it introduces significant long-term risks, including unpredictable end-of-life (EOL) stock depletion, lack of future firmware or process support, and potential counterfeit parts in the secondary market. For new designs, consider migrating to a supported alternative like the DS1225AD-150+ or DS1225AB-150+, which offer pin-compatible footprints and similar 64Kb NVSRAM functionality with active manufacturer backing and better supply chain visibility.
What design considerations should I account for when replacing the BQ4010YMA-150 with a DS1225AB-150+ in an existing 5V industrial control system?
The DS1225AB-150+ is a viable drop-in replacement for the BQ4010YMA-150 in most 5V systems due to matching 8K x 8 organization, 150 ns access time, and 28-DIP packaging. However, verify that your system’s backup power scheme (typically a supercapacitor or lithium cell) aligns with the DS1225AB-150+'s automatic data transfer thresholds—its switchover voltage is factory-trimmed and may differ slightly from the BQ4010YMA-150. Also confirm timing margins under worst-case temperature (0°C), as propagation delays can vary between manufacturers despite identical nominal specs.
How does the BQ4010YMA-150 handle power-fail detection and data retention during brownout conditions, and what circuit safeguards are recommended?
The BQ4010YMA-150 integrates internal power-fail circuitry that automatically switches from VCC to backup power (e.g., a 3V lithium cell) when supply voltage drops below ~4.5V, preserving SRAM contents. However, it lacks user-accessible power-fail interrupt or reset signaling. To mitigate data corruption during brownouts, add an external supervisor IC (e.g., TPS3823) to assert a system-wide reset before VCC falls below the NVSRAM’s valid operating range. Ensure your backup source can sustain >10 µA for the required retention period, and avoid frequent write cycles during low-voltage events to prevent incomplete transfers.
Is the BQ4010YMA-150 suitable for automotive or extended-temperature applications, and what derating or validation steps are necessary?
No—the BQ4010YMA-150 is rated only for 0°C to 70°C ambient and lacks AEC-Q100 qualification, making it inappropriate for automotive or industrial environments exceeding this range. Even within its rated band, sustained operation near 70°C reduces lithium backup cell life and increases SRAM leakage, potentially compromising data retention. If your application requires -40°C to 85°C operation, use the DS1225AD-70IND+ (industrial grade) instead. For any mission-critical deployment, conduct accelerated life testing with your specific backup power configuration to validate retention under thermal stress.
What PCB layout and decoupling practices are critical when integrating the BQ4010YMA-150 in a high-noise digital environment to ensure reliable non-volatile operation?
To maintain data integrity in noisy environments, place a 0.1 µF ceramic decoupling capacitor within 5 mm of the BQ4010YMA-150’s VCC pin and use a low-ESR bulk capacitor (10–100 µF) near the power entry point. Route address/data lines away from high-speed clocks or switching regulators to minimize coupling-induced glitches during backup mode transitions. Since the device lacks ECC, ensure ground planes are solid under the DIP footprint and avoid vias in critical signal paths. If using a supercapacitor for backup, isolate its charging circuit with a Schottky diode to prevent reverse current during main power loss, which could destabilize the NVSRAM’s internal charge pump.
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.
BQ4010YMA-150 CAD Models
Texas Instruments BQ4010YMA-150 PCB symbols & footprints
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