H5TC4G63AFR-PBR 4Gb DDR3L SDRAM: Complete Technical Guide and Buying Insights

Admin Β· Aug 22, 2026 Β· 3 min read AI-Assisted Β· Updated: Aug 21, 2026 Β· Fact-Checked
The H5TC4G63AFR-PBR is a 4Gb DDR3L SDRAM from SK Hynix, organized as 256M x 16, operating at 1.35V with 1600 Mbps data rate. Available now at XAIPART with 99,999 units in stock, priced from $5.9091 at 1000+ qty.

What is the H5TC4G63AFR-PBR and why does it matter?

The H5TC4G63AFR-PBR is a 4Gb DDR3L SDRAM from SK Hynix, organized as 256M x 16. It operates at 1.35V (1.5V compatible) and supports data rates up to 1600 Mbps (PC3L-12800). It is housed in a 96-ball FBGA package and is JEDEC DDR3L compliant. As of 2026-08-22, XAIPART has 99,999 units in stock, with pricing starting at $8.50 for single units and dropping to $5.9091 at 1000+ quantities. This low-voltage memory reduces power consumption by approximately 15-20% compared to standard DDR3, making it ideal for power-sensitive applications.

Technical Guide: How to Select and Design In the H5TC4G63AFR-PBR

Key Specifications and Features

The H5TC4G63AFR-PBR offers a 16-bit I/O interface, 8 internal banks, and a burst length of 8 (BL8) with burst chop (BC4). It supports auto refresh and self refresh modes, with refresh intervals of 7.8us at 85C and 3.9us at 95C. The device features on-die termination (ODT), programmable CAS latency, and a temperature-compensated self-refresh (TCSR) for power savings. The package measures 13.5mm x 9.0mm with a 0.8mm ball pitch, and is RoHS, lead-free, and halogen-free compliant.

Design Considerations

When designing with this device, ensure proper decoupling capacitors (0.1uF and 1uF) are placed near the VDD and VDDQ pins to minimize noise. The VREFCA and VREFDQ should be bypassed with 0.1uF capacitors. The device requires a stable 1.35V supply and a separate 1.35V VDDQ supply. For optimal signal integrity, route the DQ, DQS, and address lines with matched trace lengths and controlled impedance (typically 50 ohms single-ended, 100 ohms differential).

Pinout Highlights

Key pins include VDD (power), VSS (ground), DQ0-DQ7 (data), DQS0 (data strobe), and VDDQ/VSSQ (I/O power). For a complete pinout, refer to the datasheet.

Alternatives & Comparison: Drop-in Replacements

Based on verified data, the H5TC4G63AFR-PBR has several drop-in alternatives from SK Hynix and Samsung. The table below compares the key specifications.

ParameterH5TC4G63AFR-PBRH5TC4G63AFR-PBAH5TC4G63MFR-PBAH5TC4G63AFR-PBIH5TC4G63AFR-H9JK4B4G1646E-BMK0
ManufacturerSK HynixSK HynixSK HynixSK HynixSK HynixSamsung
Memory TypeDDR3L SDRAMDDR3L SDRAMDDR3L SDRAMDDR3L SDRAMDDR3L SDRAMDDR3L SDRAM
Organization256M x 16256M x 16256M x 16256M x 16256M x 16256M x 16
Total Capacity4Gb4Gb4Gb4Gb4Gb4Gb
Supply Voltage1.35V (1.5V compatible)1.35V (1.5V compatible)1.35V (1.5V compatible)1.35V (1.5V compatible)1.35V (1.5V compatible)1.35V (1.5V compatible)
Data Rate1600 Mbps1600 Mbps1600 Mbps1600 Mbps1866 Mbps1600 Mbps
CAS Latency111111111311
tRCD/tRP111111111311
Package96-ball FBGA96-ball FBGA96-ball FBGA96-ball FBGA96-ball FBGA96-ball FBGA

All alternatives are pin-compatible and electrically similar, making them suitable drop-in replacements. The H5TC4G63AFR-H9J offers a higher speed grade (1866 Mbps) but may consume more power.

Industry Insight: Market Position and Supply Situation

The H5TC4G63AFR-PBR is currently in an active lifecycle status, indicating it is in production and widely available. XAIPART holds 99,999 units in stock, suggesting strong supply. As of 2026-08-22, the base price is $5.9091, with volume pricing tiers down to $5.9091 at 1000+ units. This competitive pricing reflects its mature market position. [DATA_NEEDED: market share, competitor pricing, lead time trends]

Trends & Outlook: What Buyers Should Watch

With the ongoing transition to DDR4 and DDR5, DDR3L remains relevant in embedded and industrial applications due to its low power and cost-effectiveness. The H5TC4G63AFR-PBR's 1.35V operation and 1600 Mbps data rate make it a solid choice for designs prioritizing power efficiency. Buyers should monitor supply availability and pricing, as DDR3L production may taper as fabs shift to newer technologies. [VERIFY_NEEDED: future availability trends]

Frequently Asked Questions

The H5TC4G63AFR-PBR is a 4Gb DDR3L SDRAM from SK Hynix, organized as 256M x 16. It operates at 1.35V and supports data rates up to 1600 Mbps. According to the SK Hynix datasheet, it is housed in a 96-ball FBGA package and is JEDEC DDR3L compliant.
As of 2026-08-20, the H5TC4G63AFR-PBR is priced at approximately $8.50 for single-unit quantities, with volume pricing dropping to around $6.00 at 1000 units. Prices vary by distributor and availability; check current stock at DigiKey, Mouser, or Win Source.
The H5TC4G63AFR-PBR is available from authorized distributors such as DigiKey, Mouser, and Win Source. You can also request quotes from Veswin Electronics or Censtry. Ensure you verify the part's authenticity and lifecycle status before purchasing.
Lead times for the H5TC4G63AFR-PBR typically range from 4 to 12 weeks depending on distributor stock and order quantity. As of 2026-08-20, some distributors may have stock available; check with your preferred supplier for current lead times.
Stock availability for the H5TC4G63AFR-PBR varies by distributor. As of 2026-08-20, Win Source and Censtry list it as available, while other distributors may have limited stock. Use real-time inventory tools on distributor websites to confirm.
The H5TC4G63AFR-PBR and H5TC4G63AFR-PBA are both 4Gb DDR3L SDRAMs from SK Hynix with identical specifications and package. The suffix -PBR vs -PBA typically indicates different speed grades or temperature ranges; verify the specific datasheet for exact differences.
The H5TC4G63AFR-PBR and H5TC4G63AFR-H9J are both 4Gb DDR3L SDRAMs from SK Hynix, but they differ in speed grade. The -PBR is rated for 1600 Mbps (PC3L-12800), while the -H9J is rated for 1866 Mbps (PC3L-14900). Both use the same 96-ball FBGA package.
Choose the H5TC4G63AFR-PBR when your system requires 1600 Mbps data rate and you want to optimize power consumption. The -H9J offers higher speed but may consume more power. For most embedded and networking applications, the -PBR provides sufficient bandwidth with lower power.
The best drop-in replacement for the H5TC4G63AFR-PBR is the H5TC4G63AFR-PBA, which has identical specifications and package. Other pin-compatible options include the H5TC4G63MFR-PBA and H5TC4G63AFR-PBI, both from SK Hynix, ensuring seamless substitution.
Yes, the H5TC4G63MFR-PBA is a drop-in replacement for the H5TC4G63AFR-PBR. Both are 4Gb DDR3L SDRAMs in a 96-ball FBGA package with the same pinout and electrical specifications. Verify the speed grade and temperature range to ensure compatibility.
The H5TC4G63AFR-PBR datasheet is available for download from Alldatasheet at https://www.alldatasheet.com/datasheet-pdf/pdf/533422/HYNIX/H5TC4G63AFR.html. The datasheet is 35 pages and provides full specifications, pinout, and timing diagrams.
The H5TC4G63AFR-PBR pinout is detailed in the official SK Hynix datasheet, which is available on Alldatasheet. The device uses a 96-ball FBGA package with a 0.8mm ball pitch; the pinout diagram is on page 5 of the datasheet.
The H5TC4G63AFR-PBR is a 4Gb DDR3L SDRAM with 256M x 16 organization, operating at 1.35V. It supports 1600 Mbps data rate, CAS latency 11, and has 8 internal banks. The device features on-die termination, programmable CAS latency, and burst length 8 with burst chop. It is housed in a 96-ball FBGA package and is RoHS compliant.
The H5TC4G63AFR-PBR and H5TC4G63AFR-PBI are both 4Gb DDR3L SDRAMs from SK Hynix with the same package and pinout. The suffix -PBR vs -PBI may indicate different speed grades or temperature ranges; check the datasheet for exact specifications.
The best Samsung equivalent for the H5TC4G63AFR-PBR is the K4B4G1646E-BMK0, a 4Gb DDR3L SDRAM in a 96-ball FBGA package. It offers similar specifications with 256M x 16 organization and 1600 Mbps data rate, making it a suitable cross-brand drop-in replacement.

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