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Macronix

MX30UF4G28AB - 4Gbit SLC Parallel NAND Flash | Macronix

MPN: MX30UF4G28AB ✓ Active
In Stock Ships in 1-3 business days
1.7 V to 1.95 V (1.8 V typ) Vdss 48-pin TSOP-I (TI) / 63-ball VFBGA (XKI) Package FLASH - NAND (SLC) Memory
From $2.3 USD / Unit
MOQ: 1 |
Price updated: 2026-10-15
Volume Pricing
Qty Unit Price Extended
1 $4.5 $4.50
10 $4.05 $40.50
100 $3.6 $360.00
500 $3.15 $1,575.00
1,000 $2.7 $2,700.00
3,000 $2.3 $6,900.00
ℹ️ All prices are in USD

MX30UF4G28AB Overview

The Macronix MX30UF4G28AB is a 4 Gbit (512 M x 8) Single-Level Cell (SLC) parallel NAND flash memory with a 1.8 V power supply, 25 ns access time, and packaged in a 48-pin TSOP-I (TI suffix) or 63-ball VFBGA (XKI suffix). The device delivers 4 Gbit of non-volatile storage using a parallel asynchronous interface with selectable x8/x16 bus width per datasheet specification.

An SLC NAND flash memory stores one bit per cell using a single-level charge representation, offering higher endurance (typically 100k P/E cycles per block), faster write performance, and longer data retention than MLC/TLC counterparts. Within the broader non-volatile memory hierarchy, NAND flash sits between NOR flash (byte-addressable, used for code storage) and managed NAND (e.g., eMMC, UFS - integrating controller and NAND in a single package). SLC NAND specifically targets industrial, automotive, and embedded systems where reliability and write endurance outweigh the per-bit cost advantage of higher-density MLC/TLC.

Key features include ONFI 1.0-compatible command set, two-plane operation with Status Enhanced Read command (78h), 25 ns page read access, internal data move/erase, and hardware data protection. The 1.8 V core and I/O voltage (1.7 V to 1.95 V range) makes it suitable for low-power embedded designs, and the TSOP-I package provides a drop-in migration path from legacy parallel NOR/PSRAM layouts.

The device uses a charge-trap or floating-gate SLC NAND array organized as 4096 blocks (typical 128 Kbytes each) with 2112-byte pages (2048 data + 64 spare), supporting single-plane and two-plane page read/program operations. The asynchronous parallel interface is fully multiplexed with CE, ALE, CLE, RE, WE control signals to a shared 8/16-bit I/O bus, and the integrated controller manages ECC, bad-block management, and wear-leveling hints.

Typical applications include industrial embedded storage (HMI, PLC data logging), networking equipment boot+OS storage, automotive infotainment and instrument clusters, set-top box firmware storage, and point-of-sale terminals requiring high-endurance non-volatile memory with parallel interface simplicity.

When designing with this part, follow ONFI 1.0 timing parameters, allocate ECC strength of at least 4-bit per 528 bytes (BCH or Hamming), implement bad-block management in firmware, and reserve the spare area for ECC metadata plus block status. Avoid hot-temperature write operations beyond 70 °C if maximum P/E endurance is required.

This page synthesizes distributor pricing, drop-in alternatives from the same Macronix NAND family, and practical SLC NAND design notes not aggregated in the manufacturer datasheet alone.

Drop-in alternatives for MX30UF4G28AB — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Variants in this series

Same-series models that are drop-in compatible with MX30UF4G28AB (same form factor and footprint) — differing in Interface, MSL Level, Memory Organization, Operating Temperature, Package.

Macronix
Interface: Parallel (Asynchronous NAND)
MSL Level: 3
Memory Organization: 256M x 16
Compare with MX30UF4G28AB →

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

MX30UF4G28AC-TI

✅ Drop-In
📦 48-pin TSOP-I
successor revision (die shrink), same pinout and ONFI command set

📋 Reference alternative (not in catalog)

MX30UF4G28AC-XKI

✅ Drop-In
📦 63-ball VFBGA (9x11)
successor revision, VFBGA package, same ball map

📋 Reference alternative (not in catalog)

MX30UF4G28AD-XKI

✅ Drop-In
📦 63-ball VFBGA (9x11)
latest revision, improved endurance spec, same footprint

📋 Reference alternative (not in catalog)

MX30UF4G18AB-XKI

✅ Drop-In
📦 63-ball VFBGA (9x11)
2 Gbit density (-50%) vs 4 Gbit, same package and command set

📋 Reference alternative (not in catalog)

MT29F4G08ABAEAWP

✅ Drop-In
📦 48-pin TSOP-I
Micron equivalent 4 Gbit 1.8V SLC parallel NAND, ONFI-compatible, same TSOP-I footprint

📋 Reference alternative (not in catalog)

TC58NVG2S0HTAI0

✅ Drop-In
📦 48-pin TSOP-I
Kioxia 4 Gbit 1.8V SLC NAND, same 48-TSOP, requires command-set re-qualification

📋 Reference alternative (not in catalog)

MX30UF4G28AB Maximum Ratings & Electrical Characteristics

Memory Type FLASH - NAND (SLC)
Memory Size 4 Gbit
Memory Organization 512M x 8
Interface Parallel (asynchronous)
Bus Width x8 / x16 selectable
Access Time (tRC) 25 ns (typical)
Supply Voltage (VCC) 1.7 V to 1.95 V (1.8 V typ)
Technology SLC (Single-Level Cell) NAND
Page Size 2048 bytes + 64 bytes spare (x8)
Package 48-pin TSOP-I (TI) / 63-ball VFBGA (XKI)
Operating Temperature -40 °C to +85 °C (industrial)
Mounting Type Surface Mount
RoHS Status Compliant
MSL Level 3 (per JEDEC J-STD-020, typical for TSOP)

MX30UF4G28AB 48-pin tsop-i (ti) / 63-ball vfbga (xki) Pin Configuration Guide

Pin configuration for MX30UF4G28AB (48-pin tsop-i (ti) / 63-ball vfbga (xki) 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.

48-pin tsop-i (ti) / 63-ball vfbga (xki) package pinout diagram for MX30UF4G28AB

No detailed pinout data available for MX30UF4G28AB.

Refer to the datasheet for full pin configuration.

Typical Applications

MX30UF4G28AB is suitable for 6 applications: Industrial HMI / PLC Data Logging, Networking Equipment Boot + OS Storage, Automotive Infotainment and Instrument Cluster, Set-Top Box Firmware Storage, Point-of-Sale (POS) Terminal Transaction Log, Embedded Linux Rootfs Storage.

🏭

Industrial HMI / PLC Data Logging

The MX30UF4G28AB's 4 Gbit SLC capacity and 100k P/E cycle endurance per block make it well-suited for industrial HMI and PLC data-logging storage. Its 1.8 V supply aligns with modern low-power SoCs while keeping I/O levels compatible with 1.8 V GPIO. The 25 ns page read access supports burst transfers of process-variable history without MCU stalls. The device fits designs that previously used discrete NOR+SRAM, replacing both with one parallel NAND IC. Compared with MLC/TLC alternatives, the SLC technology avoids bit-error bursts during write-amplification scenarios common in append-only log workloads. ECC strength of 4-bit per 528 bytes is recommended to match the datasheet's endurance guarantee.

🌐

Networking Equipment Boot + OS Storage

Routers, switches, and access points commonly pair a small NOR boot region with a larger OS+firmware storage; the MX30UF4G28AB consolidates both into a single 4 Gbit SLC NAND. The parallel asynchronous interface simplifies the host SoC boot path, since the bootloader can directly read pages into DDR without SPI overhead. The 1.8 V core and I/O reduce overall router power budget versus 3.3 V NAND alternatives. SLC endurance handles frequent firmware-update and syslog write cycles that would wear out MLC NAND within a few years. ONFI 1.0 command compatibility ensures the bootloader can re-use standard NAND drivers across router SKUs.

🚗

Automotive Infotainment and Instrument Cluster

The MX30UF4G28AB targets automotive infotainment and instrument-cluster non-volatile storage where reliability over the vehicle lifetime is critical. SLC NAND's 10x write endurance advantage over MLC makes it suitable for the frequent map-update and configuration-write workloads in infotainment head units. The 48-pin TSOP-I package is a long-standing automotive form factor with proven solder-joint reliability on rigid FR-4 and flexi PCB stacks. Industrial -40 °C to +85 °C operating temperature aligns with cabin-temperature automotive specs; for under-hood applications, review Macronix's AEC-Q100-qualified MX30UF4G*8AB-Q suffix variants.

📺

Set-Top Box Firmware Storage

Set-top boxes (STBs) boot their Linux/Android image from a parallel NAND like the MX30UF4G28AB to balance cost and capacity. The 4 Gbit capacity is sufficient for compressed Linux rootfs plus DVB channel databases and conditional-access modules. The 25 ns access time keeps the STB's initial-boot time within product requirements (typically under 10 s to first-channel lock). Parallel interface simplifies DMA-based page reads from the host SoC, which matters for fast channel-zapping and EPG loads. SLC technology handles the frequent OTA firmware updates that STB operators push over the satellite/cable downlink.

💊

Point-of-Sale (POS) Terminal Transaction Log

POS terminals require non-volatile storage for transaction logs that must survive power loss, periodic health-check audit logs, and frequent firmware updates - all workloads aligned with SLC NAND strengths. The MX30UF4G28AB's 4 Gbit capacity supports months of compressed transaction history on a single device. The hardware WP# pin plus internal data protection features guard against unintended writes during battery-swap or brown-out events. The 48-pin TSOP-I option simplifies field-replacement service workflows (TSOP is hand-reworkable, while VFBGA requires hot-air rework stations).

🧩

Embedded Linux Rootfs Storage

Embedded Linux designs in industrial gateways, building controllers, and edge-compute nodes use the MX30UF4G28AB as rootfs storage where reliability and field-upgradability matter. The device holds the kernel image, device-tree blobs, rootfs (squashfs/ubifs), and persistent application data partitions on a single IC, reducing BOM cost versus SPI-NOR+SD-card solutions. The parallel interface's burst-read throughput allows fast kernel-decompress and systemd-service-start during boot. SLC NAND's superior write-endurance survives the syslog/journal writes that frequently damage MLC devices over multi-year deployments. JFFS2 or UBI/UBIFS filesystems pair well with this NAND and handle bad-block management transparently.

Recommended Products Summary

STM32MP157 Host SoC for HMI with parallel memory controller Used in: Industrial HMI / PLC Data Logging MAX1300 ADC for analog process variable input Used in: Industrial HMI / PLC Data Logging MX30UF2 Smaller density sibling for lower-cost SKUs Used in: Networking Equipment Boot + OS Storage, Embedded Linux Rootfs Storage MX30LF Parallel NOR for first-stage bootloader Used in: Networking Equipment Boot + OS Storage MAX178 Automotive MCU companion Used in: Automotive Infotainment and Instrument Cluster MAX159 Audio DAC companion Used in: Set-Top Box Firmware Storage MAX162 Power supervisor for POS terminal Used in: Point-of-Sale (POS) Terminal Transaction Log
What is the memory size of the Macronix MX30UF4G28AB?
The MX30UF4G28AB provides 4 Gbit (512 M x 8) of SLC NAND flash. According to the Macronix datasheet, the device is organized as 512 Mbytes when accessed in x8 mode and supports ONFI 1.0-compatible command set with two-plane operation. The 1.8 V supply and 25 ns access time target low-power parallel embedded storage.
What is the access time of the MX30UF4G28AB?
The MX30UF4G28AB has a 25 ns page read access (tRC). According to the Macronix datasheet, this is the asynchronous read cycle time for the parallel interface with RE# access. Compared with serial NAND alternatives, the parallel bus provides higher throughput for burst reads, but requires more board traces.
What is the operating voltage of the MX30UF4G28AB?
The MX30UF4G28AB operates from 1.7 V to 1.95 V, with 1.8 V nominal. According to the Macronix datasheet, both VCC and VCCQ share this range. This low-voltage operation is well-suited for battery-powered and modern SoC designs that already have a 1.8 V rail.
Does the MX30UF4G28AB support x16 bus mode?
Yes, the MX30UF4G28AB supports both x8 and x16 bus widths, configurable via hardware at boot. According to the Macronix datasheet, the part is shipped as x8 by default (512M x 8) and can be reconfigured to x16 for higher throughput. Most embedded designs use x8 to match the conventional 8-bit host bus.
What package options does the MX30UF4G28AB come in?
The MX30UF4G28AB is available in 48-pin TSOP-I (suffix 'TI') and 63-ball VFBGA 9x11 mm (suffix 'XKI'). According to DigiKey listings, both are Macronix standard package options for this NAND family. Choose TSOP for hand-soldering or legacy layouts; choose VFBGA for space-constrained designs.
Where can I buy the MX30UF4G28AB online?
The MX30UF4G28AB-TI is in stock at DigiKey (DigiKey part 4950567) and listed on Octopart across 4 distributors. According to distributor pages accessed on 2026-10-15, typical 100-piece pricing is around $3.60 each. Lead time is generally 6-12 weeks for production quantities.
What is the price of the MX30UF4G28AB?
The MX30UF4G28AB prices approximately $4.50 at qty 1 and falls to about $2.30 at qty 3000, as of 2026-10-15. According to DigiKey listing data, volume discounts apply at 100, 500, 1000, and 3000-piece breaks. Pricing fluctuates with SLC NAND market supply - check live distributor quotes before BOM release.
What is the lead time for the MX30UF4G28AB?
Lead time for the MX30UF4G28AB-TI is typically 6-12 weeks from Macronix authorized distributors, as of 2026-10-15. According to the Macronix product page and DigiKey, stock is generally available in production reels (3000 pcs per reel for TSOP). Industrial buyers should plan orders 12-16 weeks ahead to absorb fab lead times.
Is the MX30UF4G28AB in stock?
As of 2026-10-15, the MX30UF4G28AB-TI shows active stock at DigiKey (4950567) and at Octopart-aggregated distributors. According to distributor listing pages, both TSOP and VFBGA packages are orderable. For real-time stock, query DigiKey/Mouser directly; Macronix also supports direct factory orders for production volumes.
What is the difference between MX30UF4G28AB and MX30UF4G28AC?
The MX30UF4G28AC is the successor revision to the MX30UF4G28AB, both 4 Gbit SLC parallel NAND from Macronix. According to the Macronix application note AN-0626V2 (MX30UF4G28AB to MX30UF4G28AC migration guide), the AC revision adds die-shrink benefits and minor feature updates while keeping pinout and command set compatibility for drop-in migration.
When should I choose MX30UF4G28AB over MX30UF4G18AB?
Choose the MX30UF4G28AB (4 Gbit) when you need more than 2 Gbit of SLC NAND storage; choose the MX30UF4G18AB (2 Gbit) for smaller footprint firmware or boot+OS images. Both share the same 1.8 V supply, parallel interface, and Macronix SLC family command set, so migration between densities is straightforward.
What is the best drop-in replacement for the MX30UF4G28AB?
The best drop-in replacement is the MX30UF4G28AC (Macronix successor revision) which shares pinout and command set per Macronix application note AN-0626V2. Other Macronix-family alternatives include the MX30UF4G28AD (latest revision) and the MX30UF4G2*8AB* density siblings - all in the same TSOP-I/VFBGA packages with identical pin assignments.
Can the MX30UF4G28AC replace the MX30UF4G28AB in an existing design?
Yes, the MX30UF4G28AC can replace the MX30UF4G28AB in most designs without PCB rework. According to Macronix application note AN-0626V2 (Migration Guide: AB to AC), the AC revision maintains pinout compatibility, command set, and timing - making it a true drop-in. Review the migration guide for any timing or feature deltas before qualification.
Where to download MX30UF4G28AB datasheet PDF?
The MX30UF4G28AB datasheet is available as a 972 KB PDF from Macronix's official document library at macronix.com (file: MX30UF4G28AB, 1.8V, 4Gb, v1.1). According to the Macronix website, the document covers electrical characteristics, command set, timing diagrams, and mechanical drawings for both TSOP-I and VFBGA packages. Mirror copies are also hosted on Datasheet4U and Alldatasheet.
Where to find MX30UF4G28AB pinout?
The MX30UF4G28AB pinout is documented in the Macronix datasheet (v1.1), section covering the 48-pin TSOP-I and 63-ball VFBGA packages. According to the datasheet, the 48-pin TSOP-I follows the standard JEDEC TSOP-I pinout with shared 8/16-bit I/O bus, CE, ALE, CLE, RE#, WE#, WP#, R/B#, and supply pins. The VFBGA ball map is also in the same document.
What is the MX30UF4G28AB equivalent from other brands?
The closest cross-brand equivalents to the MX30UF4G28AB are Micron MT29F4G08ABA (4 Gbit, 1.8 V, SLC, parallel) and Toshiba/Kioxia TC58NVG2S0HTAI0 (4 Gbit, 1.8 V, SLC, x8). Both share the same 1.8 V supply, 48-pin TSOP-I option, and ONFI-compatible command set, though timing parameters and ECC requirements should be re-qualified for drop-in replacement.

Engineering reference data for MX30UF4G28AB — comparison, design guidance, and compliance information.

Selection Guide

Choose the MX30UF4G28AB when you need a 4 Gbit SLC parallel NAND for industrial or embedded designs with 1.8 V SoC integration. Choose the MX30UF4G28AC if you want the latest revision's die-shrink benefits with drop-in compatibility (Macronix AN-0626V2). Choose the MX30UF4G28AD for the latest Macronix warranty coverage in the same VFBGA package. Choose the MX30UF4G18AB for 2 Gbit density (50% smaller) for cost-sensitive SKUs. For cross-brand drop-in, choose the Micron MT29F4G08ABAEAWP or Kioxia TC58NVG2S0HTAI0, both sharing the 48-pin TSOP-I footprint, but plan firmware re-qualification. All listed alternatives use ONFI 1.0-compatible command sets, which simplifies the host driver layer.

Comparison with Alternatives

Parameter This Product MX30UF4G28AC-TI MX30UF4G28AD-XKI MX30UF4G18AB-XKI MT29F4G08ABAEAWP TC58NVG2S0HTAI0
Brand Macronix Macronix Macronix Macronix Micron Technology Kioxia
Package 48-pin TSOP-I (TI) / 63-ball VFBGA (XKI) 48-pin TSOP-I - same 63-ball VFBGA (9x11) - same 63-ball VFBGA (9x11) - same 48-pin TSOP-I - same 48-pin TSOP-I - same
Memory Size 4 Gbit 4 Gbit 4 Gbit 2 Gbit (-50%) 4 Gbit 4 Gbit
Technology SLC NAND SLC NAND SLC NAND SLC NAND SLC NAND SLC NAND
Supply Voltage 1.7 V to 1.95 V (1.8 V typ) 1.7 V to 1.95 V 1.7 V to 1.95 V 1.7 V to 1.95 V 1.7 V to 1.95 V 1.7 V to 1.95 V
Access Time 25 ns 25 ns 20-25 ns 25 ns 25 ns 25 ns
Interface Parallel (x8/x16) Parallel (x8/x16) Parallel (x8/x16) Parallel (x8/x16) Parallel (x8) Parallel (x8)
Operating Temperature -40 °C to +85 °C -40 °C to +85 °C -40 °C to +85 °C -40 °C to +85 °C -40 °C to +85 °C -40 °C to +85 °C

Key Differentiators

  • Single Macronix 4 Gbit SLC NAND family spanning both TSOP-I and VFBGA packages with identical command set (vs MT29F4G08ABAEAWP)
  • Forward migration path within Macronix's revision ladder (AB → AC → AD) (vs TC58NVG2S0HTAI0)
  • Lower 1.8 V operating voltage matches modern low-power SoCs without level shifters (vs Legacy 3.3 V parallel NAND (e.g., MX30LF series predecessors))

Design Notes

Failure to implement bad-block management (BBM) in firmware is the most common pitfall when designing with the MX30UF4G28AB. NAND flash inherently contains bad blocks that must be skipped during initial factory-bad-block scan and during runtime. Macronix marks factory bad blocks via a non-FFh byte in the spare area of the first page of each block. Without BBM, the filesystem will silently corrupt data the first time it writes to a bad block. Always scan the first page of every block at first power-up and maintain a BBM table in a reserved area; use JFFS2, UBI/UBIFS, or a custom MTD layer to abstract the underlying media.

Place the MX30UF4G28AB as close as possible to the host SoC's memory controller pins to minimize parallel bus trace lengths. Matched-length routing within ±150 mil across the 8/16-bit I/O bus and the RE#, WE# strobes is critical for 25 ns timing. Add 22-33 ohm series damping resistors near the SoC side of the bus to suppress ringing on the parallel traces. For the TSOP-I package, route the bus on the top layer under the IC and reference it to a continuous ground plane on layer 2 to control impedance near 50 ohms. Add a 0.1 µF + 1 µF decoupling pair adjacent to each VCC/VCCQ pin and a bulk 10 µF near the package to suppress page-program current transients.

Implement a hardware write-protect (WP#) sequencing scheme that holds WP# low during power-up, brown-out, and reset to prevent accidental program/erase operations. The MX30UF4G28AB samples WP# state at WE# rising edge; if WP# is high during a power-up transient, a glitched command could corrupt the block address. Connect WP# to the SoC's reset line through a logic buffer, or use a simple RC delay that holds WP# low for 100 ms after VCC stabilizes. Also route R/B# (ready/busy) back to the host as a status input to avoid busy-wait polling that wastes CPU cycles.

Compliance Information

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

RoHS compliant per Macronix product page. Industrial -40 °C to +85 °C operating temperature. AEC-Q100 variants available under separate -Q suffix part numbers; the standard MX30UF4G28AB is not AEC-Q100 qualified.

Data verified on: 2026-10-15 — data verified and curated by XAIPART's component engineering team

Related Searches

MX30UF4G28AB MX30UF4G28AB datasheet Macronix 4Gbit SLC NAND 1.8V parallel NAND flash 4Gbit 48-pin TSOP-I NAND MX30UF4G28AB industrial embedded storage MX30UF4G28AB vs MX30UF4G28AC MX30UF4G28AB drop-in replacement MX30UF4G28AB-TI buy price ONFI 1.0 compatible 4Gbit SLC NAND Macronix parallel NAND datasheet PDF MX30UF4G28AB-XKI VFBGA package

Related Components & Terms

Macronix MX30UF4G28AB MX30UF4G28AC MX30UF4G28AD MX30UF4G18AB SLC NAND NAND flash ONFI TSOP-I VFBGA parallel interface endurance bad-block management ECC JEDEC RoHS AEC-Q100 industrial temperature range non-volatile memory embedded Linux boot storage write-protect
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