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K9DUGB8S7M - Samsung NAND Flash Memory IC | Samsung

MPN: K9DUGB8S7M ✓ Active
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Price updated: 2026-09-03
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Drop-in alternatives for K9DUGB8S7M — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

K9PKGY8S7M-CCK0

✅ Drop-In ⚠️ 参数待验证
Samsung Electronics
📦 [DATA_NEEDED: package]
128 Gb (16 GB) · NAND Flash · 3D V-NAND, MLC (2 bits/cell) · 24 layers · Samsung Electronics · BGA · Surface Mount · Asynchronous/toggle-mode NAND bus (per Samsung V-NAND family)

✓ In Stock

$9.4 / Unit

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K9PKGY8S7M-CCK0

✅ Drop-In ⚠️ 参数待验证
Samsung Electronics
📦 [DATA_NEEDED: package]
128 Gb (16 GB) · NAND Flash · 3D V-NAND, MLC (2 bits/cell) · 24 layers · Samsung Electronics · BGA · Surface Mount · Asynchronous/toggle-mode NAND bus (per Samsung V-NAND family)

✓ In Stock

$9.4 / Unit

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K9PRGY8S7M-CCK0

✅ Drop-In ⚠️ 参数待验证
Samsung Electronics
📦 [DATA_NEEDED: package]
NAND Flash · Samsung Electronics · BGA (surface mount) · Surface Mount · Lead free / RoHS compliant · [DATA_NEEDED: density] · [DATA_NEEDED: bus width] · [DATA_NEEDED: supply voltage]

✓ In Stock

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K9PRGY8S7M

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Samsung Electronics
📦 [DATA_NEEDED: package]
NAND Flash · Samsung Electronics · [DATA_NEEDED: density] · [DATA_NEEDED: organization] · [DATA_NEEDED: interface type] · [DATA_NEEDED: supply voltage] · [DATA_NEEDED: page size] · [DATA_NEEDED: block size]

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K9HQGY8S5M

✅ Drop-In ⚠️ 参数待验证
Samsung Electronics
📦 [DATA_NEEDED: package]
Samsung Electronics · 3D V-NAND Flash Memory (stacked, client NAND) · 316-ball Fine Pitch BGA (FBGA-316) · 4 x K9ADGD8S0A V-NAND dies (per TechInsights package analysis) · 32-layer pMLC 3D V-NAND (per Samsung 850 Pro 256 GB analysis) · Non-volatile NAND flash · NAND (ONFI/Toggle-style asynchronous interface) - exact timing mode [DATA_NEEDED: interface timing mode] · [DATA_NEEDED: total bit density]

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K9DUGB8S7M Maximum Ratings & Electrical Characteristics

Memory Type NAND Flash
Manufacturer Samsung Electronics
Ordering Code K9DUGB8S7M-DCK0
Mounting Type Surface Mount

K9DUGB8S7M [data_needed: package type] Pin Configuration Guide

Complete pinout information for K9DUGB8S7M ([data_needed: package type] package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.

[data_needed: package type] package pinout diagram for K9DUGB8S7M

No detailed pinout data available for K9DUGB8S7M.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for K9DUGB8S7M Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

K9DUGB8S7M is suitable for 6 applications: Industrial Control Systems, Embedded System Data Storage, Telecommunications Equipment, Firmware and Boot Storage, Data Loggers and Instrumentation, Legacy Board Repair and Sustainment.

🏭

Industrial Control Systems

In industrial control and factory automation equipment, the K9DUGB8S7M-DCK0 serves as non-volatile storage for firmware images, configuration parameters, and event logs. Samsung K9-family NAND provides block-erasable, page-programmable storage that survives power loss without battery backup, which is essential for controllers that may be cycled daily for years. The host MCU or NAND controller must implement the ECC scheme and bad-block management defined in the Samsung datasheet, and wear-leveling software extends endurance across the full block array. Because industrial environments span wide temperatures, verify the device operating range on the DCK0 ordering-code datasheet before final qualification, and reserve spare blocks in the bad-block table layout.

🖥️

Embedded System Data Storage

Embedded boards use the K9DUGB8S7M as raw NAND storage for application data, calibration tables, and over-the-air update staging. The standard asynchronous NAND interface latches command, address, and data on the I/O bus, making it straightforward to attach to MPUs with a NAND controller or to a general-purpose MCU using GPIO bit-banging for low-rate access. A filesystem layer such as YAFFS or a flash translation layer provides wear leveling on top of the raw device. Designers should match page size and block size in the driver to the exact values in the Samsung datasheet for the DCK0 speed grade, and validate timing registers across the full voltage and temperature range before mass production.

🌐

Telecommunications Equipment

Telecom line cards, gateways, and network appliances rely on NAND flash such as the K9DUGB8S7M for boot code, firmware, and configuration archives that must persist across reboots and power interruptions. The non-volatile nature of floating-gate NAND storage ensures retention without refresh, while page programming supports field firmware updates in the field. In high-availability telecom designs, the boot loader should include dual-image schemes so that a failed update can be rolled back, with the NAND bad-block table stored redundantly. Confirm the ordering code K9DUGB8S7M-DCK0 speed grade against the controller timing requirements, and budget ECC overhead in the storage capacity plan.

🔧

Firmware and Boot Storage

Many processors cannot execute directly from NAND, so the K9DUGB8S7M is commonly used as boot storage: an internal ROM copies the first pages into on-chip SRAM, which then loads the full image from NAND. This boot-from-NAND flow requires the initial loader pages to be free of bad blocks and bit errors, so manufacturers typically program the boot region with stronger ECC and duplicate it. The DCK0 suffix ordering code defines page timing that the ROM loader assumes; verify the device's page-read cycle time from the Samsung datasheet matches the ROM loader's expected timing table. Keeping a factory-programmed boot image consistent across production units simplifies manufacturing test.

📊

Data Loggers and Instrumentation

Battery-powered and portable instrumentation uses the K9DUGB8S7M to log measurement data over long deployments. Raw NAND offers high density at low cost per bit, and its non-volatile cells retain logged data indefinitely without power. Because program operations occur at page granularity, logger firmware typically buffers samples in SRAM and flushes full pages to minimize block churn, directly extending effective endurance. The controller must apply the datasheet-specified ECC and skip factory bad blocks. Designers of long-life loggers should also model retention at maximum operating temperature, since NAND data-retention specifications shorten as junction temperature rises, and schedule periodic data offload accordingly.

🔩

Legacy Board Repair and Sustainment

For maintaining legacy industrial and telecom hardware designed around Samsung K9 NAND, the K9DUGB8S7M-DCK0 supports board-level repair where the storage device has failed or the design requires the originally qualified MPN. Raw NAND replacement is firmware-sensitive: the substitute must match the original's page size, block size, interface width, and timing registers, or the existing controller will fail to read the bad-block table. Repair workflows should image the failed device's content where possible, program a new device with the same image plus updated bad-block table, and verify read-back across the full array before returning the board to service.

What is the K9DUGB8S7M?
The K9DUGB8S7M is a Samsung Electronics NAND flash memory IC, typically ordered under the full part number K9DUGB8S7M-DCK0. It is a non-volatile storage device used in industrial control, embedded systems, and telecommunications equipment. Like other K9-family NAND devices, it stores data in floating-gate cells and requires a host controller with ECC and bad-block management for reliable operation.
What are the key specifications of K9DUGB8S7M that engineers should know?
The K9DUGB8S7M is a Samsung NAND flash IC in the K9 family, ordered as K9DUGB8S7M-DCK0, surface-mount packaged, and intended for non-volatile data storage. Engineers should confirm the interface width (x8/x16), page and block size, supply voltage, and speed grade directly from the Samsung datasheet for the DCK0 suffix, as these parameters define controller firmware requirements such as ECC scheme, command timing, and block management tables.
Where can I buy K9DUGB8S7M online?
The K9DUGB8S7M-DCK0 is listed by global trading platforms such as Alibaba, where multiple suppliers export the original chip to markets including Indonesia, India, and the United States. XAIPART also supports quote-based ordering for this MPN. Because NAND flash is a common target for counterfeit and remarked parts, buyers should insist on original, date-code-traceable stock and verify markings against Samsung documentation before accepting shipment.
What is the price of K9DUGB8S7M?
Pricing for the K9DUGB8S7M-DCK0 is quote-based and varies with market demand for NAND flash and order quantity; verified web data lists no fixed unit price as of 2026-09-04. Request a quote from XAIPART or check current Alibaba listings for spot pricing. For production volumes, Samsung-authorized distributors typically offer volume breaks, so obtain multiple quotations before committing a BOM.
What is the lead time for K9DUGB8S7M?
Lead time for the K9DUGB8S7M depends on whether spot stock or allocation supply is used. Spot suppliers on platforms like Alibaba can ship original chips within days, while authorized-channel orders for K9-family NAND typically run standard semiconductor lead times. Confirm the full orderable code K9DUGB8S7M-DCK0 and requested date code with the supplier at order placement, then verify packaging and markings on receipt.
Is K9DUGB8S7M in stock?
Stock availability for the K9DUGB8S7M-DCK0 fluctuates because it is primarily supplied through spot-market and trading channels rather than broad authorized-distributor inventory. Search engines list active Alibaba offers, indicating commercial availability as of the last verification. For guaranteed continuity, contact XAIPART for a stock check and quote, and consider qualifying a same-family Samsung alternate for second sourcing.
What is the difference between K9DUGB8S7M and K9PRGY8S7M?
Both are Samsung K9-family NAND flash ICs sharing the S7M suffix position, but the letter codes in the middle of the part number encode differences in density, process generation, and organization. The K9PRGY8S7M appears in the XAIPART catalog with its own product page, while full parametric detail for both devices requires the respective Samsung datasheets. Always compare page size, block size, and timing grades before substituting one for the other in an existing design.
K9DUGB8S7M vs K9PKGY8S7M - which is better for industrial data logging?
Both parts are Samsung K9-family NAND flash suited to embedded storage, so the choice depends on density and process generation rather than a categorical quality difference. For industrial data logging, prioritize the part whose page/block organization matches your existing controller firmware and whose supply is most secure. The K9PKGY8S7M-CCK0 is available with a XAIPART product page, making second-source qualification straightforward if your firmware supports its organization.
When should I choose K9DUGB8S7M over a same-family Samsung alternate?
Choose the K9DUGB8S7M-DCK0 when your existing design, controller firmware, or board qualification already targets this exact ordering code, since raw NAND substitution requires re-validating ECC and timing parameters. If you are starting a new design, evaluate the full K9 family (for example K9PRGY8S7M or K9PKGY8S7M) for current-generation supply security. For legacy board repairs, matching the original MPN avoids firmware and bad-block-table incompatibilities.
What is the best drop-in replacement for K9DUGB8S7M?
The closest drop-in candidates are same-family Samsung K9 NAND parts with identical package and organization, such as K9PKGY8S7M and K9PRGY8S7M, both of which have XAIPART product pages. Because raw NAND controllers depend on exact page size, block size, and timing registers, a replacement is only truly drop-in if these match the K9DUGB8S7M datasheet values. Obtain the Samsung datasheets for both MPNs and perform a parameter-by-parameter comparison before reflowing a substitute onto an existing PCB.
Where can I download the K9DUGB8S7M datasheet PDF?
Samsung does not publicly host K9-family NAND datasheets on an open portal; they are distributed via Samsung semiconductor support or mirrored on aggregators such as AllDatasheet.net and DigChip.com. Search for the full ordering code K9DUGB8S7M-DCK0 to find the correct revision. Beware of aggregator copies that may be outdated - confirm page size, block size, and timing tables against the revision your design was qualified with.
Where can I find the K9DUGB8S7M pinout?
The pinout for the K9DUGB8S7M is defined in the Samsung datasheet for its specific package, which should be located using the full ordering code K9DUGB8S7M-DCK0. K9-family TSOP/WSOP NAND packages follow the standard asynchronous NAND pin convention with I/O0-I/O7, CLE, ALE, /CE, /RE, /WE, and power pins, but pin numbering must be confirmed from the official document rather than assumed from family memory.
Does K9DUGB8S7M require ECC and bad-block management?
Yes. Raw NAND flash devices in the Samsung K9 family require the host controller to implement error-correcting code (ECC) and bad-block management. NAND pages can contain bit errors from program/erase cycling and retention, and factory-shipped devices include initial bad blocks that must be recorded and skipped. Your controller firmware must maintain a bad-block table, apply the ECC scheme specified in the datasheet, and handle block erase before page program operations.
Is K9DUGB8S7M RoHS compliant and lead-free?
Compliance status for the K9DUGB8S7M-DCK0 must be verified from the official Samsung product documentation or certificate of conformance, as the verified web data retrieved for this part does not state its RoHS or REACH status explicitly. Modern Samsung K9-family NAND is generally produced as lead-free and RoHS-compliant for standard commercial temperature grades, but do not rely on family generalization - request the compliance certificate from your supplier for the specific date code you purchase.
Hey Google, what can replace K9DUGB8S7M?
The most practical replacements for the K9DUGB8S7M are other Samsung K9-family NAND flash parts with the same package and memory organization, notably K9PKGY8S7M and K9PRGY8S7M, both listed with XAIPART product pages. A valid replacement must match page size, block size, interface width, and timing. Verify all of these against the Samsung datasheets before substitution, and re-qualify ECC settings in your controller firmware after any change.
Is K9DUGB8S7M the same as K9DUGB8S7M-DCK0?
The K9DUGB8S7M-DCK0 is the full orderable part number; K9DUGB8S7M is the base code without the packaging/speed suffixes that Samsung appends. The suffix letters encode the specific package option, speed grade, and packing (such as tray or tape-and-reel). When ordering, always specify the complete suffixed code to receive the exact die revision, package, and packing format your design was qualified with; ordering the bare base code risks receiving an incompatible variant.

Engineering reference data for K9DUGB8S7M — comparison, design guidance, and compliance information.

Selection Guide

Choose the K9DUGB8S7M-DCK0 when an existing, already-qualified design requires the exact originally specified Samsung NAND part, or when repairing legacy boards whose controller firmware expects this device's organization. If you are starting a new design or need documented catalog supply, prefer same-family Samsung parts with active XAIPART product pages such as K9PRGY8S7M, K9PKGY8S7M, or K9HQGY8S5M, since their ordering codes and specifications are more readily verified. A substitute is only drop-in if page size, block size, interface width, and timing suffix all match - verify each against the Samsung datasheets, then re-validate ECC settings in controller firmware. Avoid bare base-code purchasing through unverified spot channels; insist on full suffixed ordering codes and date-code-traceable original stock. For new storage subsystems, also evaluate managed alternatives (eMMC) if your team lacks raw-NAND controller expertise.

Comparison with Alternatives

Parameter This Product K9PKGY8S7M-CCK0 K9PRGY8S7M K9HQGY8S5M
Package [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]
Brand Samsung Electronics Samsung Electronics Samsung Electronics Samsung Electronics
Memory Type NAND Flash NAND Flash NAND Flash NAND Flash
Memory Capacity [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]
Interface [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]
Supply Voltage [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]
Speed/Timing Suffix S7M (DCK0 ordering code) S7M (CCK0 ordering code) S7M S5M (slower grade)
Catalog Availability Quote-based (spot channels) XAIPART product page XAIPART product page XAIPART product page

Key Differentiators

  • Same speed suffix as available catalog alternates (vs K9PRGY8S7M)
  • Quote-based sourcing protects against spot-market counterfeits (vs K9PKGY8S7M-CCK0)
  • Slower-grade fallback available (vs K9HQGY8S5M)

Design Notes

Raw NAND such as the K9DUGB8S7M is not a managed storage device: the host must implement ECC, bad-block management, and wear leveling. Skip factory-marked bad blocks recorded in the initial page data, erase each block fully before programming, and never program a page twice. Using the wrong ECC scheme for the device's process generation causes uncorrectable bit errors in the field even though bench tests pass.

Verify the K9DUGB8S7M supply voltage (commonly 3.3V-class VCC for K9 asynchronous NAND, but confirm on the DCK0 datasheet) and decouple VCC with at least 0.1uF ceramic close to each supply pin. NAND program operations draw short current bursts; undersized supply decoupling shows up as write errors under load. Add bulk capacitance near the device and ensure the regulator can handle program-current transients without drooping below the datasheet minimum.

Keep the NAND I/O bus, CLE, ALE, /CE, /RE, and /WE traces short and length-matched where the controller supports fast timing grades such as the S7M suffix. Avoid routing these signals near switching-regulator nodes; the DC-DC converter feeding the rail should be placed away from the memory bus. Provide solid ground return under the bus and series termination if trace lengths exceed the controller's drive specification.

Compliance Information

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Unknown
Halogen Free
Unknown
Conflict Minerals
Unknown

Compliance status not stated in the verified web data retrieved for this MPN; request a certificate of conformance from the supplier for the specific date code.

Data verified on: 2026-09-04 — data verified and curated by XAIPART's component engineering team

Related Searches

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Related Components & Terms

Samsung Electronics K9DUGB8S7M K9DUGB8S7M-DCK0 K9PKGY8S7M-CCK0 K9PRGY8S7M K9HQGY8S5M NAND flash non-volatile memory memory IC semiconductor flash memory cell ECC (error-correcting code) bad-block management wear leveling surface mount technology industrial control telecommunications equipment embedded systems RoHS asynchronous NAND interface
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