TH58TEG8H2HBAS9 Datasheet Breakdown: Key Specs & Pinout

16 June 2026 14

High-density embedded NAND adoption is rising, driven by mobile and IoT storage needs and measured in aggregate bandwidth and endurance figures; the TH58TEG8H2HBAS9 appears in that trend as an eMMC-class high-density device. Evidence: the datasheet frames the device as a multi-hundred-gigabit embedded NAND. This article decodes that datasheet, maps a practical pinout, highlights key specs, and delivers integration tips for system designers.

Parameter Specification Details
Architecture Multi-Die Stacked NAND (eMMC Interface)
Supply Voltage (VCC) 2.7V - 3.6V (Core logic)
I/O Voltage (VCCQ) 1.7V - 1.95V / 2.7V - 3.6V
Interface HS200 / HS400 eMMC 5.x Compatible
Package 153-Ball FBGA (Fine Pitch Ball Grid Array)

1 — Background: What TH58TEG8H2HBAS9 Is and Where It Fits

1.1 — Device overview and memory organization

The device is a high-density embedded NAND/eMMC-style product with multi-hundred gigabit capacity in a small BGA. The datasheet lists density, organization (pages, blocks, dies) and I/O width, typically expressed as words × bits. Designers should read those organization tables to map logical capacity, page/block sizing, and how spare area and ECC are provisioned for firmware decisions.

TH58TEG8H2HBAS9 VCC/VCCQ GND/VSS CMD/CLK DAT[0:7]

2 — Key Electrical & Memory Specifications

2.1 — Power, timing and recommended operating conditions

Key electrical items are VCC/VCCQ rails, idle/active currents, timing parameters, and specified power states. Compute system power budgets by combining peak IO currents with active duty cycles, and confirm IO voltage domain matches host levels before prototype testing.

3 — Pinout & Package Details

3.1 — BGA ball map and pin descriptions

Translate the datasheet ball map into a simplified pin legend that groups power/GND banks, command/address/data, clock, reset, and boot/config pins. Mark rails and critical high-speed pins on your PCB netlist early; reserve short, direct routes for clock and command lines and place decoupling adjacent to power balls.

4 — Performance, Endurance & Reliability

4.1 — Endurance, retention, and ECC

Endurance cycles, retention, on-chip or host ECC, and bad block behaviors determine usable life. Incorporate wear-leveling, over-provisioning, and bad-block management in firmware; estimate lifetime by modeling write amplification against specified P/E cycles.

5 — Integration & Design Checklist

5.1 — Power sequencing and layout

Follow the datasheet sequence for power rails, reset assert/deassert timing, and clock enable to avoid initialization failures. Place multiple capacitors (0.1µF, 1µF) close to power pads, route clock and CMD with matched lengths, and minimize via stubs for high-speed lines.

Summary

  • Verify Rails: Confirm VCC/VCCQ rails and peak currents to avoid power-sequencing failures.
  • Pinout Integrity: Group power/GND and prioritize short clock/CMD traces for high-speed signal integrity.
  • Endurance Planning: Model write amplification and enable appropriate ECC/partitioning settings in the flash controller.

FAQ

What key datasheet values should I verify first for TH58TEG8H2HBAS9?

Verify IO voltage domain (VCC/VCCQ), maximum active currents during program/erase, timing constraints for reset and clock, and page/block geometry. These values directly impact power budgeting and signal compatibility.

Does the datasheet specify a recommended power sequence for the device?

Yes; the datasheet provides a required power ramp order and minimum delays between rail stabilizations, plus reset assert/deassert timing. Follow those sequences exactly to guarantee proper device boot.

How should I approach pinout and PCB layout mentioned in the datasheet?

Translate the ball map into a netlist, keep high-speed CMD/CLK traces short, place decoupling adjacent to power balls, and use the recommended land pattern for the thermal pad.

What are the common failure modes during initial bring-up?

Common failures stem from incorrect sequencing, insufficient decoupling, or solder defects; isolate by scope-checking rails and clocks, then performing register reads before attempting program/erase cycles.