29F2G08ABAEA SLC NAND Flash Parallel TSOP-I T/R for Antminer Control Board
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29F2G08ABAEA 2Gb SLC NAND Flash Memory | 48-Pin TSOP-I Replacement for Antminer Control Board Firmware Storage
The 29F2G08ABAEA is a 2Gb SLC NAND flash memory chip in a 48-pin TSOP-I package, used on Antminer control boards for firmware storage and boot data. SLC (single-level cell) construction delivers 100 000 program/erase cycles endurance — significantly higher than MLC alternatives — which matters on a control board that may see thousands of firmware updates and configuration writes across its operating life.
Key spec for control-board duty: 3.3V typical operating supply (2.7V–3.6V range), 35mA operating current, parallel asynchronous interface, 2Kbyte page size with 128Kbyte × 2048 sectors, 0.6ms page programming time, 3ms block erase time, ECC support, and boot block + page mode for streamlined boot-up sequencing. The symmetrical block organisation simplifies wear-levelling firmware design.
When You Need the 29F2G08ABAEA
- Antminer control board boot-loop or no boot — corrupted NAND firmware, chip unreadable on programmer.
- Repeat firmware-flash failures — NAND end-of-life, erase/program operations now failing on previously good blocks.
- Visible damage on the TSOP-I package after a power event — physical replacement required.
- Salvage / repurpose a healthy 29F2G08ABAEA from a scrap control board for use on a recoverable one.
- End-of-life stock — keep on the bench for legacy Antminer control board repair workflows.
29F2G08ABAEA Specifications
| Parameter | Specification |
|---|---|
| Part Number | 29F2G08ABAEA |
| Cell Type | SLC NAND (single-level cell) |
| Chip Density | 2 Gb |
| Architecture | Sectored, symmetrical block organisation |
| Sector Size | 128 Kbyte × 2048 |
| Page Size | 2 Kbyte |
| Address Bus Width | 29-bit |
| Bits / Word | 8 |
| Interface Type | Parallel asynchronous |
| Supply Voltage | 2.7V to 3.6V (typical 3.3V) |
| Operating Current | 35 mA |
| Page Program Time (max) | 0.6 ms |
| Block Erase Time (max) | 3 ms |
| Endurance | 100 000 program/erase cycles |
| ECC Support | Yes |
| Boot Block / Page Mode | Yes |
| Operating Temperature | 0°C to +70°C (commercial) |
| Package | 48-pin TSOP-I (gull-wing, 12 × 18.4mm) |
| Compatible Board | Antminer control board firmware storage |
| Condition | Brand New |
FAQ — 29F2G08ABAEA NAND Flash
Q: Does the new NAND need to be flashed with firmware?
A: Yes — a fresh chip ships blank. Flash the original Antminer control board firmware using a NAND programmer (universal programmers like the RT809H, XGecu T48, or similar handle TSOP-48 NAND directly). Read the firmware from a healthy donor board first if you don't have an existing image.
Q: SLC vs MLC — why does it matter?
A: SLC stores one bit per cell with much higher endurance (100k cycles) and faster access. MLC stores 2+ bits with lower endurance (~3k cycles). Antminer control boards spec SLC specifically for the endurance — substituting MLC will work initially but burn through erase cycles much faster during normal firmware operation.
Q: TSOP-48 rework profile?
A: TSOP-48 is large thermal mass — bottom-side preheat 130–150°C, top-side hot air 350°C with flux paste, slow ramp. The 48 gull-wing leads need careful alignment; use a stencil if available. After install, verify all 48 leads via continuity test before powering the board.
Q: Bulk pricing for Antminer control board repair benches?
A: Yes — email contact@lys-sz.com for tray-quantity 29F2G08ABAEA pricing.
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Antminer control board repair benches stocking 29F2G08ABAEA NAND flash by the tray? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouse.
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