MT40A512M8RH-075E:B vs K4A4G085WF-BITD Comparison
Detailed side-by-side comparison of MT40A512M8RH-075E:B by Micron Technology and K4A4G085WF-BITD by Samsung Electronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Micron Technology
MT40A512M8RH-075E:B - DDR4 4Gb 2666 MT/s SDRAM | Micron
MT40A512M8RH-075E:B ✓ ActiveSpecification Comparison
| Parameter | MT40A512M8RH-075E:B | K4A4G085WF-BITD |
|---|---|---|
| Brand | Micron Technology | Samsung Electronics |
| Category | Memory ICs | DRAM |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.15 | $2.65 |
| Memory Type | DDR4 SDRAM | DDR4 SDRAM |
| Density | 4 Gbit | 4 Gbit |
| Organization | 512M x 8 | 512M x 8 |
| Data Rate | 2666 MT/s (DDR4-2666) | — |
| Clock Frequency | 1333 MHz (1.33 GHz) | — |
| VDD Supply Voltage | 1.2 V +/-60 mV | — |
| VDDQ Supply Voltage | 1.2 V +/-60 mV | — |
| VPP Supply Voltage | 2.5 V, -125 mV/+250 mV | — |
| Interface Type | Parallel | — |
| I/O Structure | 1.2V pseudo open-drain | — |
| Reference Voltage | On-die internal adjustable VREFDQ generation | — |
| Package | 78-FBGA (9 x 10.5 mm), TFBGA | 78-ball FBGA (78FBGA) |
| Mounting Type | Surface Mount | Surface Mount (BGA) |
| Operating Temperature | [DATA_NEEDED: operating temperature range (standard grade)] | -40C to +95C |
| Refresh | Refresh max interval extension at extended TC temperature range (125C capable per family features) | Self-refresh and auto-refresh (8K/64ms per JEDEC DDR4) |
| Speed Grade Suffix | -075E | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | — |
| Packaging Option Suffix | :B (ball map B designation per Mouser listing) | — |
| Speed | — | 2666 Mbps (MT/s) |
| Supply Voltage (VDD) | — | 1.2 V |
| VPP Voltage | — | 2.5 V |
| Bank Architecture | — | 8 banks x 4 bank groups |
| Burst Length | — | BL8 |
| CAS Latency | — | CL19 (typical at 2666 Mbps) |
| Interface | — | Parallel, DDR4 SSTL12 |
| Termination | — | ODT / dynamic ODT |
| Data Mask | — | DM supported (x8) |
| Application Grade | — | Industrial |