MT41K128M16JT - 2Gb DDR3L SDRAM 128Mx16 96-FBGA | Micron
MPN: MT41K128M16JT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $13.95 | $13.95 |
| 10 | $13.43 | $134.30 |
| 100 | $11.95 | $1,195.00 |
| 500 | $10.5 | $5,250.00 |
| 1,000 | $9.2 | $9,200.00 |
MT41K128M16JT Overview
Drop-in alternatives for MT41K128M16JT — 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 MT41K128M16JT (same form factor and footprint) — differing in Mounting Type, Package, RoHS Status, Supply Voltage (VDD/VDDQ).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MT41K128M16JT-125 AAT:K
✅ Drop-In📋 Reference alternative (not in catalog)
MT41K128M16JT-125 AIT:K
✅ Drop-In📋 Reference alternative (not in catalog)
MT41K128M16JT-107 AAT:K
✅ Drop-In📋 Reference alternative (not in catalog)
MT41J128M16JT-125:K
✅ Drop-In📋 Reference alternative (not in catalog)
IS43TR16256AL-125KBLI-TR
✅ Drop-In✓ In Stock
$8.25 / Unit
View Datasheet →HGD32G16M16
✅ Drop-In📋 Reference alternative (not in catalog)
K4B2G1646F-BYMA
✅ Drop-In📋 Reference alternative (not in catalog)
MT41K128M16JT Maximum Ratings & Electrical Characteristics
| Memory Type | DDR3L SDRAM |
| Density | 2 Gbit |
| Organization | 128M x 16 |
| Banks | 8 banks |
| Prefetch Architecture | 8n-bit prefetch |
| Supply Voltage (VDD/VDDQ) | 1.35 V (typ) / 1.283 V to 1.45 V (DDR3L) |
| Access Time | 0.225 ns (CK to DQ, -125 bin) |
| Cycle Time | 1.25 ns (-125 bin) / 1.07 ns (-107 bin) |
| Max Data Rate | 1600 MT/s (-125) / 1866 MT/s (-107) |
| Operating Temperature | 0C to +95C (commercial, no suffix) |
| Industrial Temperature Option | -40C to +95C (IT suffix) |
| Automotive Temperature Option | -40C to +105C (AAT) / -40C to +95C (AIT) |
| Package | 96-FBGA (8 mm x 14 mm, 0.8 mm pitch) |
| Process Technology | CMOS |
| On-Die Termination | Dynamic ODT (nominal/weak/strong) |
| Calibration | ZQ calibration (240 ohm ext. resistor) |
| Refresh | Auto self-refresh (ASR) |
| Write Feature | Write leveling + data mask |
| Mounting Type | Surface Mount (FBGA) |
| RoHS Status | Compliant (Pb-free FBGA) |
MT41K128M16JT Pin Configuration
| Pin A1 | VDD — 1.35 V core supply |
| Pin A2 | DQ0 — Data I/O bit 0 |
| Pin A3 | DQ1 — Data I/O bit 1 |
| Pin A7 | DQ2 — Data I/O bit 2 |
| Pin A8 | DQ3 — Data I/O bit 3 |
| Pin A9 | VDDQ — 1.35 V DQ supply |
| Pin B1 | VSS — Ground |
| Pin B9 | VSSQ — DQ ground |
| Pin C1 | VDD — 1.35 V core supply |
| Pin C9 | DQ4 — Data I/O bit 4 |
| Pin D1 | VSS — Ground |
| Pin D2 | A0 — Address bit 0 |
| Pin D3 | A1 — Address bit 1 |
| Pin D7 | A2 — Address bit 2 |
| Pin D8 | A3 — Address bit 3 |
| Pin D9 | VSSQ — DQ ground |
| Pin E1 | VDD — 1.35 V core supply |
| Pin E3 | A4 — Address bit 4 |
| Pin E7 | A5 — Address bit 5 |
| Pin E9 | DQ5 — Data I/O bit 5 |
| Pin F1 | VSS — Ground |
| Pin F2 | RAS — Row Address Strobe |
| Pin F3 | A6 — Address bit 6 |
| Pin F7 | A7 — Address bit 7 |
| Pin F8 | A8 — Address bit 8 |
| Pin F9 | VSSQ — DQ ground |
| Pin G1 | VDD — 1.35 V core supply |
| Pin G2 | CAS — Column Address Strobe |
| Pin G3 | WE — Write Enable |
| Pin G7 | A9 — Address bit 9 |
| Pin G8 | A10/AP — Address bit 10 / Auto-Precharge |
| Pin G9 | DQ6 — Data I/O bit 6 |
| Pin H1 | VSS — Ground |
| Pin H2 | BA0 — Bank Address 0 |
| Pin H3 | BA1 — Bank Address 1 |
| Pin H7 | A11 — Address bit 11 |
| Pin H8 | A12 — Address bit 12 |
| Pin H9 | DQ7 — Data I/O bit 7 |
| Pin J1 | VDD — 1.35 V core supply |
| Pin J2 | CS — Chip Select |
| Pin J3 | CK — Clock (positive) |
| Pin J7 | CKE — Clock Enable |
| Pin J8 | ODT — On-Die Termination |
| Pin J9 | DQ8 — Data I/O bit 8 |
| Pin K1 | VSS — Ground |
| Pin K2 | CK — Clock (negative) |
| Pin K3 | RESET — Asynchronous reset |
| Pin K7 | DM0 — Data Mask for DQ[7:0] |
| Pin K8 | VSSQ — DQ ground |
| Pin K9 | DQ9 — Data I/O bit 9 |
| Pin L1 | VDDQ — 1.35 V DQ supply |
| Pin L2 | ZQ — ZQ calibration (240 ohm ref) |
| Pin L3 | A13 — Address bit 13 |
| Pin L7 | DM1 — Data Mask for DQ[15:8] |
| Pin L8 | VSSQ — DQ ground |
| Pin L9 | DQ10 — Data I/O bit 10 |
| Pin M1 | VSS — Ground |
| Pin M2 | VDD — 1.35 V core supply |
| Pin M3 | NC — Not connected (per datasheet) |
| Pin M7 | DQ11 — Data I/O bit 11 |
| Pin M8 | DQ12 — Data I/O bit 12 |
| Pin M9 | VSSQ — DQ ground |
| Pin N1 | VDDQ — 1.35 V DQ supply |
| Pin N2 | VSSQ — DQ ground |
| Pin N3 | NC — Not connected (per datasheet) |
| Pin N7 | DQ13 — Data I/O bit 13 |
| Pin N8 | DQ14 — Data I/O bit 14 |
| Pin N9 | VSSQ — DQ ground |
| Pin P1 | VSS — Ground |
| Pin P2 | VDD — 1.35 V core supply |
| Pin P3 | VSSQ — DQ ground |
| Pin P7 | VSSQ — DQ ground |
| Pin P8 | DQ15 — Data I/O bit 15 |
| Pin P9 | VSSQ — DQ ground |
| Pin R1 | VDDQ — 1.35 V DQ supply |
| Pin R2 | VSS — Ground |
| Pin R3 | NC — Not connected (per datasheet) |
| Pin R7 | NC — Not connected (per datasheet) |
| Pin R8 | VSS — Ground |
| Pin R9 | VSSQ — DQ ground |
| Pin T1 | VSS — Ground |
| Pin T2 | VDD — 1.35 V core supply |
| Pin T3 | A14 — Address bit 14 (per datasheet) |
| Pin T7 | A16 — Address bit 16 (per datasheet) |
| Pin T8 | VSS — Ground |
| Pin T9 | VSSQ — DQ ground |
| Pin U1 | VDDQ — 1.35 V DQ supply |
| Pin U2 | VSSQ — DQ ground |
| Pin U3 | NC — Not connected (per datasheet) |
| Pin U7 | NC — Not connected (per datasheet) |
| Pin U8 | VSSQ — DQ ground |
| Pin U9 | VSSQ — DQ ground |
| Pin V1 | VSS — Ground |
| Pin V2 | VDD — 1.35 V core supply |
| Pin V3 | NC — Not connected (per datasheet) |
| Pin V7 | A15 — Address bit 15 (per datasheet) |
| Pin V8 | NC — Not connected (per datasheet) |
| Pin V9 | VSS — Ground |
| Pin W1 | VDDQ — 1.35 V DQ supply |
| Pin W2 | VSSQ — DQ ground |
| Pin W3 | NC — Not connected (per datasheet) |
| Pin W7 | VSSQ — DQ ground |
| Pin W8 | VSS — Ground |
| Pin W9 | VSSQ — DQ ground |
| Pin Y1 | VSS — Ground |
| Pin Y3 | NC — Not connected (per datasheet) |
| Pin Y7 | NC — Not connected (per datasheet) |
| Pin Y9 | VSSQ — DQ ground |
Typical Applications
MT41K128M16JT is suitable for 7 applications: Networking Routers and Switches, Embedded Industrial PCs (SBCs), Automotive Infotainment and Telematics, Set-Top Boxes and Media Gateways, Industrial Automation and PLCs, Printers and Imaging MFPs, IoT Edge Gateways and Smart Hubs.
Networking Routers and Switches
The MT41K128M16JT-125 IT:K fits networking routers and switches because the 2 Gbit (256 MB) density matches typical packet-buffer and routing-table working sets in mid-range enterprise switches, while the DDR3L 1.35 V supply reduces idle power by 15-20% versus DDR3 in always-on 24/7 deployments. The 1600 MT/s -125 speed bin provides sufficient bandwidth for IPv4/IPv6 forwarding at multi-Gigabit line rates. Dynamic ODT eliminates external termination resistors, simplifying the fly-by command/address routing demanded by switch PCB stack-ups. Pair the memory with a Broadcom BCM5xxx switch ASIC or a Microchip PolarFire SoC for a complete reference design.
Recommended
Embedded Industrial PCs (SBCs)
Single-board computers based on NXP i.MX8 or Intel Atom benefit from the MT41K128M16JT-107 IT:K because the 1866 MT/s -107 speed bin keeps up with high-resolution HMI frame buffers, while the 256 MB density suits headless industrial controllers running deterministic Linux or RTOS workloads. The industrial temperature option -40C to +95C handles factory-floor cold-start and elevated rack temperatures. The 96-FBGA JT footprint is the industry-standard pinout for second-source DDR3L memory on x86 SBCs and ARM SoMs, simplifying the BoM with multiple approved suppliers.
Recommended
Automotive Infotainment and Telematics
The MT41K128M16JT-125 AAT:K is qualified to the AEC-Q100 automotive -40C to +105C temperature grade and provides 256 MB of DDR3L memory for IVI head units, digital instrument clusters, and telematics control units. The 1.35 V DDR3L supply reduces vehicle battery drain during key-off telematics standby, an increasingly important metric for electric vehicles. Dynamic ODT and ZQ calibration keep signal integrity robust across the wide automotive temperature range. Pair the memory with an NXP i.MX8 or Renesas R-Car SoC for an automotive infotainment reference design.
Recommended
Set-Top Boxes and Media Gateways
Set-top boxes and media gateways use the MT41K128M16JT-125:K because 256 MB is sufficient for Linux-based middleware, video-decode scratch buffers, and network-protocol stacks while staying within cost-sensitive consumer BoM targets. The 1600 MT/s -125 speed bin supports H.264/H.265 decode at 1080p60 without bottleneck. DDR3L 1.35 V keeps power dissipation low in sealed enclosures with limited thermal headroom. The 96-FBGA JT ball map is the de-facto second-source footprint, enabling Micron/Samsung/ISSI multi-sourcing.
Recommended
Industrial Automation and PLCs
PLC and industrial automation controllers use the MT41K128M16JT-125 IT:K because the 256 MB DDR3L density comfortably holds deterministic-logic scan tables, recipe storage buffers, and HMI frame buffers in mid-size PLC racks. The industrial -40C to +95C temperature range handles cold-start in unheated cabinets and elevated temperatures in sealed enclosures. Dynamic ODT and ZQ calibration give robust signal integrity over long backplane traces typical of modular I/O racks. Pair with a TI Sitara AM64x or Renesas RZ/N2 for an industrial reference design.
Recommended
Printers and Imaging MFPs
Multi-function printers and imaging systems benefit from the MT41K128M16JT-125:K because 256 MB of DDR3L buffers full-resolution scan images, page-description-language (PDL) interpreters, and queued print-job storage without requiring an expensive SSD. The DDR3L 1.35 V supply lowers idle power on EnergyStar and Blue Angel compliant products. The 96-FBGA JT footprint is compatible with the printer SoC ecosystem (e.g., Marvell 88PA62, Broadcom BCM series). Pair the memory with a USB 3.0 hub and a Wi-Fi 6 module for a connected-MFP reference design.
Recommended
IoT Edge Gateways and Smart Hubs
IoT edge gateways and smart-home hubs use the MT41K128M16JT-125:K because 256 MB of DDR3L is enough for Zigbee/Z-Wave/Thread mesh stacks, local MQTT brokers, and small ML inference buffers while keeping the BoM cost in the under-$50 retail range. The DDR3L 1.35 V supply enables battery-backed or PoE-powered deployments without aggressive thermal design. The 96-FBGA JT package is the standard footprint for IoT SoCs (e.g., NXP i.MX RT, Realtek Ameba, ESP-S3) enabling multi-vendor second-sourcing. Pair with a sub-GHz radio and a Wi-Fi 6 module for a complete gateway reference.
Recommended
Recommended Products Summary
Engineering reference data for MT41K128M16JT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MT41K128M16JT-125 AAT:K | MT41K128M16JT-125 AIT:K | MT41K128M16JT-107 AAT:K | MT41J128M16JT-125:K | IS43TR16256AL-125KBLI | HGD32G16M16 | K4B2G1646F-BYMA |
|---|---|---|---|---|---|---|---|---|
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology | ISSI | HGCHIPS | Samsung Electronics |
| Package | 96-FBGA (8x14 mm) | 96-FBGA (8x14 mm) - same | 96-FBGA (8x14 mm) - same | 96-FBGA (8x14 mm) - same | 96-FBGA (8x14 mm) - same | 96-FBGA - same | 96-FBGA - same | 96-FBGA - same |
| Density | 2 Gbit (128Mx16) | 2 Gbit (128Mx16) | 2 Gbit (128Mx16) | 2 Gbit (128Mx16) | 2 Gbit (128Mx16) | 2 Gbit (128Mx16) | 2 Gbit (128Mx16) | 2 Gbit (128Mx16) |
| Supply Voltage | 1.35 V (DDR3L) | 1.35 V (DDR3L) | 1.35 V (DDR3L) | 1.35 V (DDR3L) | 1.5 V (DDR3) | 1.35 V (DDR3L) | 1.35 V (DDR3L) | 1.35 V (DDR3L) |
| Max Data Rate | 1600 MT/s (-125 bin) | 1600 MT/s | 1600 MT/s | 1866 MT/s (+17%) | 1600 MT/s | 1600 MT/s | 1600 MT/s | 1600 MT/s |
| Dynamic ODT | Yes (nominal/weak/strong) | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| ZQ Calibration | Yes (240 ohm ref) | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Write Leveling | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Wide temperature-grade portfolio in same JT footprint (vs IS43TR16256AL-125KBLI)
- DDR3L 1.35 V supply reduces power by 15-20% vs DDR3 (vs MT41J128M16JT-125:K)
- Higher speed bin available (-107, 1866 MT/s) (vs IS43TR16256AL-125KBLI)
Design Notes
Estimated: The 96-FBGA at 0.8 mm pitch requires a 4-layer PCB minimum with controlled-impedance routing (50 ohm +/- 10% single-ended for DQ, 100 ohm +/- 10% differential for CK/CK#). Use microvia stack-up (laser-drilled 0.1 mm vias at the BGA breakout) on a 0.8-1.0 mm dielectric core to maintain signal integrity on the fly-by command/address bus. A 240 ohm +/- 1% precision resistor must be tied between ZQ and VSSQ for impedance calibration - tolerance directly impacts ODT accuracy.
Estimated: VDD/VDDQ must be derived from a switching regulator or high-current LDO capable of at least 400 mA peak current with +/- 3% tolerance during read/write bursts. A 100 nF + 10 uF + 100 uF decoupling network is required on each supply pin per Micron's standard DDR3L decoupling recommendation. Place the smallest capacitor closest to each ball, and ensure the VDDQ and VSSQ planes are tied with multiple stitched vias to minimize return-path impedance for the 1600 MT/s -125 or 1866 MT/s -107 data signals.
DDR3 fly-by routing on command/address/control signals is mandatory. Place the memory device on the same side of the PCB as the memory controller with trace lengths tuned such that the CK/CK# pair arrives at each DRAM device within +/- 25 ps of the nominal delay. Use write-leveling during controller initialization to compensate for propagation skew. For point-to-point DQ routing between the controller and a single DRAM, length-match within +/- 50 ps across the full byte lane (DQ0-7 or DQ8-15).
DDR3L SDRAM at 1600 MT/s draws approximately 150 mW active and 10 mW self-refresh. The 96-FBGA package has no exposed thermal pad - heat exits primarily through the BGA balls to the PCB inner planes. For full-temperature industrial -40C to +95C operation, ensure the PCB top-side ground plane beneath the BGA has stitched thermal vias to the inner planes. Junction temperature must remain below 95C in commercial and 105C in automotive variants to meet the datasheet AC timing.
Do not mix DDR3 (MT41J, 1.5 V) and DDR3L (MT41K, 1.35 V) parts on the same memory channel: the VDDQ levels are different and the ODT impedance targets differ. Do not omit the ZQ resistor - dynamic ODT requires calibration at every power-up and at periodic refresh intervals. Do not exceed 1.45 V on VDDQ under any condition including transient spikes: the device's thin-oxide core will be damaged. Finally, the RESET pin (ball K3) must be held low during power-rail ramp-up for at least 200 us to ensure proper initialization.
Compliance Information
RoHS compliant per Micron datasheet (Pb-free FBGA). AEC-Q100 qualified for the AAT/AIT variants only - the K (commercial) and IT (industrial) variants are not automotive-grade. Reach SVHC compliant per Micron product declaration. Halogen-free per JEDEC JS709B.
