Micron Automotive e.MMC – MTFC32GAZAQHD‑AIT Full Specification Summary

1. Basic Identification

• Manufacturer: Micron Technology Inc.
• Part Number: MTFC32GAZAQHD‑AIT
• Product Type: Automotive‑grade embedded e.MMC memory
• Density: 32 GB (256 Gbit)
• Standard: JEDEC e.MMC 5.1 (JESD84‑B51)
• Document: Rev. F (04/2022) – Automotive e.MMC 32/64/128GB TLC
• Qualification: AEC‑Q104, PPAP, Automotive SPICE Level 3
• Temperature Grade: AIT (‑40°C to +85°C ambient, Tcase max 95°C)
• Status: Mass production

2. Core Features

• Integrated MMC controller + TLC NAND flash
• 12‑signal host interface; ×1 / ×4 / ×8 I/O configurable
• High‑speed modes: HS200, HS400
• Clock: Boot 0–52 MHz; Operational 0–200 MHz
• Command queue, BKOPS control, HPI, FFU
• Hardware reset (RST_n), data strobe (DS)
• RPMB (Replay Protected Memory Block)
• Multi‑partition support with enhanced attributes
• Permanent / power‑on / temporary write protection
• Device health report, reliable write, discard & sanitize
• Power‑off notification, sleep mode
• Built‑in ECC & defect block management
• Backward compatible with legacy MMC

3. Electrical Specifications

• VCC (NAND): 2.7–3.6 V
• VCCQ (controller/I/O): 1.70–1.95 V
• Absolute Maximum Ratings:
• Operating Temperature: ‑40°C to +85°C (Ta)
• Storage Temperature: ‑40°C to +105°C
• Data Retention: AEC‑Q100‑005 compliant

4. Performance (HS400, ×8 I/O, 25°C, cache ON)

• Sequential Read: 300 MB/s
• Sequential Write: 100 MB/s

5. Typical Current Consumption (HS400, VCC=3.6V, VCCQ=1.95V)

• Read: 50 mA / 190 mA (ICC / ICCQ)
• Write: 50 mA / 110 mA (ICC / ICCQ)
• Auto Standby: 25 µA / 350 µA
• Sleep (VCC off): 0 µA / 280 µA

6. Package & Mechanical

• Package Type: 153‑ball VFBGA (code HD)
• Dimensions: 11.5 mm × 13.0 mm × 0.9 mm
• Solder Balls: 153× Ø0.357 mm (reflowed on Ø0.35 SMD pads)
• Solder Alloy: SAC302 (96.8% Sn, 3.0% Ag, 0.2% Cu)
• Mounting: Surface mount
• Shipping: Tape and reel
• RoHS Compliant, lead‑free

7. Registers Overview

• OCR (32‑bit): Operating conditions & power status
• CID (128‑bit): Unique device ID
• CSD (128‑bit): Access parameters, timing, block lengths
• ECSD (512‑byte): Extended features, power classes, cache, security, health

8. Security & Protection

• Volatile & nonvolatile sector write protection
• Hardware write protection via WP# / configuration bits
• RPMB secure storage
• Password protection option
• CRC for data integrity
• Permanent lock for OTP and boot areas

9. Supported Commands

• All e.MMC 5.1 command classes (0, 2, 4, 5, 6, 7)
• READ, WRITE, ERASE, PROGRAM
• SUSPEND/RESUME
• BOOT operations
• SECURITY & PROTECTION commands
• STATUS & CONFIGURATION register access

10. Reliability & Compliance

• Endurance: High reliable for automotive harsh environment
• Shock & vibration resistant
• AEC‑Q104, IATF 16949, ISO 26262 (QM)
• RoHS compliant, lead‑free
• FMEDA & safety documentation available

11. Target Applications

• Automotive infotainment
• Navigation systems
• ADAS
• Automotive dashboard & cluster
• Industrial embedded systems