H5AN4G8NBJR-VKC - 4Gb DDR4-2666 SDRAM x8 | SK hynix
MPN: H5AN4G8NBJR-VKC ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.69 | $8.69 |
| 10 | $6.2 | $62.00 |
| 100 | $4.5 | $450.00 |
| 500 | $3.1 | $1,550.00 |
| 1,000 | $2.6 | $2,600.00 |
| 5,000 | $2.4 | $12,000.00 |
Drop-in alternatives for H5AN4G8NBJR-VKC — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
H5AN4G8NBJR-UHI
✅ Drop-In✓ In Stock
$2.25 / Unit
View Datasheet →H5AN4G8NBJR-UHC
✅ Drop-In✓ In Stock
$3.18 / Unit
View Datasheet →H5AN4G8NBJR-RDC
✅ Drop-In✓ In Stock
$2.95 / Unit
View Datasheet →H5AN4G8NBJR-PBC
✅ Drop-In✓ In Stock
$2.2 / Unit
View Datasheet →H5AN4G8NAFR-TFC
✅ Drop-In📋 Reference alternative (not in catalog)
H5AN4G8NBJR-VKC Maximum Ratings & Electrical Characteristics
| Memory Type | DDR4 SDRAM |
| Memory Size | 4 Gb |
| Memory Organization | 512M x8 |
| Data Rate | 2666 Mbps (DDR4-2666) |
| Memory Interface | Parallel |
| Supply Voltage (VDD) | 1.2 V |
| Package | FBGA-78 (7.5 x 11 mm) |
| Mounting Type | Surface Mount |
| Technology | CMOS DRAM |
| Volatile / Non-Volatile | Volatile |
| RoHS Status | Compliant (Lead-Free & Halogen-Free per datasheet) |
| Packaging | Tray |
| Lifecycle Status | Active |
H5AN4G8NBJR-VKC fbga-78 (7.5 x 11 mm) Pin Configuration Guide
Complete pinout information for H5AN4G8NBJR-VKC (fbga-78 (7.5 x 11 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for H5AN4G8NBJR-VKC.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
H5AN4G8NBJR-VKC is suitable for 6 applications: PC Main Memory Modules (UDIMM/SODIMM), Embedded x86/ARM Computing Platforms, Networking and Communication Equipment, Smart TV and Set-Top Box Systems, Industrial Computers and Human-Machine Interfaces, Gaming Consoles and Graphics-Adjacent Buffers.
PC Main Memory Modules (UDIMM/SODIMM)
The H5AN4G8NBJR-VKC is a mainstream choice for desktop and notebook memory modules. With 4Gb density in a x8 organization, eight chips populate a 4GB non-ECC UDIMM, while sixteen chips build ECC server-class configurations. Its 2666 Mbps data rate and 1.2 V operation align with Intel and AMD DDR4 platforms of the corresponding generation, providing roughly 21 GB/s theoretical peak bandwidth per 64-bit channel. On module designs, the fly-by command/address topology and on-die termination supported by this DDR4 generation simplify routing compared with DDR3 T-topologies. Designers should match speed grade (CL and tRCD/tRP timings from the SK hynix series datasheet) with the SPD programming so host BIOS memory training runs correctly.
Recommended
Embedded x86/ARM Computing Platforms
Industrial PCs, gateways, and edge-compute boards based on Intel Atom, AMD Embedded, or high-end ARM SoCs frequently specify 4Gb DDR4 x8 DRAM. The H5AN4G8NBJR-VKC's 2666 Mbps grade supports the memory clock options these SoCs expose, and its 1.2 V rail integrates cleanly with common PMIC DDR4 rails including the 2.5 V VPP wordline supply. In soldered-down embedded designs, the 78-ball FBGA (7.5 x 11 mm) footprint supports down-to-2.4 mm module-height constraints common in fanless enclosures. Memory controller training must program CAS latency and ODT settings to the VKC grade's datasheet timing table, and layout should follow byte-lane length matching within the SoC vendor's skew budget for stable operation at speed.
Recommended
Networking and Communication Equipment
Enterprise switches, routers, and line cards use DDR4 SDRAM for packet buffers, route tables, and control-plane memory. The H5AN4G8NBJR-VKC provides 4Gb per chip with 2666 Mbps bandwidth, letting designers scale buffering with a modest chip count while keeping power low at 1.2 V - important in airflow-constrained switch chassis. The x8 organization balances data-bus width against chip count for 64-bit or 72-bit ECC-wide interfaces. Network processors and merchant silicon commonly include validated DDR4 support lists; confirm the SK hynix BJR family appears there. Thermal design should account for continuous full-bandwidth traffic, keeping junction temperature within the -C commercial grade rating via board-level airflow over the FBGA-78 package.
Recommended
Smart TV and Set-Top Box Systems
4K smart TVs and IPTV set-top boxes require 2-4 GB of DDR4 for video frame buffers, graphics surfaces, and the Linux application stack. The H5AN4G8NBJR-VKC's 4Gb x8 configuration lets two to eight chips cover these densities, and its 2666 Mbps grade matches the memory interfaces of mainstream TV SoCs from MediaTek, Amlogic, and Novatek. The 1.2 V operation reduces standby power, supporting ENERGY STAR-class idle targets, while the compact FBGA-78 package fits the thin PCB stacks used in panel-integrated boards. Designers must ensure the SoC's DDR4 support list includes the SK hynix BJR die revision and program boot-time training parameters per the series datasheet timing tables for reliable cold-boot at 2666 Mbps.
Recommended
Industrial Computers and Human-Machine Interfaces
Panel PCs, CNC controllers, and vision-system HMI hardware use DDR4 for Windows- and Linux-class operating systems. The H5AN4G8NBJR-VKC's 4Gb density supports 4-8 GB soldered configurations typical of these platforms, and its 2666 Mbps rate satisfies the memory bandwidth needs of multi-display graphics stacks. In factory environments, board-level reliability comes from solid VTT termination design and conformal-coating-compatible layout rather than component grading - so verify the -C commercial temperature suffix against your cabinet ambient profile, or select the -I industrial grade variants in the same H5AN4G8NBJR family when -40 C to +85 C operation is required. Lead-free, halogen-free construction aids industrial RoHS compliance programs.
Recommended
Gaming Consoles and Graphics-Adjacent Buffers
Cost-sensitive game consoles, arcade boards, and GPU frame-buffer subsystems often pair a discrete DDR4 bank with the graphics chipset. The H5AN4G8NBJR-VKC supplies 4Gb per device at 2666 Mbps, and multiple chips can be ganged into 64-bit or wider buses for several GB/s of aggregate bandwidth. Its 1.2 V operation keeps thermal output manageable inside sealed consumer enclosures, and the standardized DDR4 interface lets firmware reuse memory-training code across SK hynix and Micron second sources. At sustained gaming loads the FBGA-78 package relies on PCB copper planes for heat spreading; designers should budget junction temperature using the series datasheet thermal data and validate under worst-case title power profiles.
Recommended
Recommended Products Summary
Engineering reference data for H5AN4G8NBJR-VKC — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | H5AN4G8NBJR-UHI | H5AN4G8NBJR-UHC | H5AN4G8NBJR-RDC | H5AN4G8NBJR-PBC | H5AN4G8NAFR-TFC |
|---|---|---|---|---|---|---|
| Package | FBGA-78 (7.5 x 11 mm) | FBGA-78 - same | FBGA-78 - same | FBGA-78 - same | FBGA-78 - same | FBGA-78 - same |
| Brand | SK Hynix | SK Hynix | SK Hynix | SK Hynix | SK Hynix | SK Hynix |
| Memory Size | 4 Gb | 4 Gb | 4 Gb | 4 Gb | 4 Gb | 4 Gb |
| Memory Organization | 512M x8 | 512M x8 | 512M x8 | 512M x8 | 512M x8 | 512M x8 |
| Data Rate | 2666 Mbps | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | 2666 Mbps grade family |
| Supply Voltage | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V |
| Lifecycle Status | Active | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| RoHS / Halogen-Free | Compliant | Compliant (series datasheet) | Compliant (series datasheet) | Compliant (series datasheet) | Compliant (series datasheet) | Compliant (series datasheet) |
Key Differentiators
- Highest speed grade in the NBJR family listed here (vs H5AN4G8NBJR-PBC)
- Newer B-die revision vs A-die predecessor (vs H5AN4G8NAFR-TFC)
- Broad suffix-family second sourcing within one footprint (vs H5AN4G8NBJR-UHC)
Design Notes
At 2666 Mbps, DDR4 signal integrity is dominated by fly-by command/address termination and byte-lane skew. Route CA[5:0], CS, CKE, and clock in fly-by topology to each FBGA-78 device with on-die termination (ODT) enabled per the controller training algorithm. Length-match DQ/DQS groups per byte lane within the SoC vendor's tolerance (commonly +/-25 mils intra-byte) and maintain 40-ohm controlled impedance on data lines. Reference all high-speed traces to a continuous ground plane; avoid crossing plane splits under the memory bus.
The H5AN4G8NBJR-VKC requires three rails per DDR4 architecture: VDD 1.2 V core, VDDQ 1.2 V I/O, and VPP 2.5 V wordline boost. Budget a separate VTT termination regulator (e.g., sink-source LDO) for command/address and data termination, sized for peak termination current during bus turnarounds. Estimated: a 4-chip x8 32-bit-wide design at 2666 Mbps draws roughly 0.5-1.5 A per rail depending on traffic - derive from the series datasheet IDD tables for your usage pattern, not from this estimate. Place bulk 47-100 uF plus per-ball 0.1 uF decoupling close to each VDD/VDDQ ball group.
Speed-grade suffix mismatch is the most common DDR4 substitution failure: swapping a -VKC (2666) for a lower grade (e.g., -PBC) without re-programming controller CAS latency, tRCD/tRP, and refresh settings causes boot failures or intermittent memory errors. Always update SPD data and memory-training firmware when qualifying any suffix variant. Additionally, DRAM is volatile and ESD-sensitive: handle trays per JEDEC moisture/ESD handling guidance, and confirm the -C commercial temperature suffix matches your ambient specification before industrial deployment.
Compliance Information
Series datasheet (H5AN4GxNBJR) describes family as Lead-Free & Halogen-Free. JLCPCB listing confirms RoHS for FBGA-78 DDR SDRAM. REACH and conflict-minerals status not stated in provided data.
