SK hynix

H5TQ4G63AFR-H9C - 4Gb DDR3 SDRAM 256Mx16 | SK Hynix

MPN: H5TQ4G63AFR-H9C ✓ Active
In Stock Ships in 1-3 business days
1.5 V Vdss 96-ball TFBGA Package 0.255 ns Speed DDR3 SDRAM Memory
From $6.5 USD / Unit
MOQ: 1 |
Price updated: 2026-08-21
Volume Pricing
Qty Unit Price Extended
1 $8.5 $8.50
10 $7.8 $78.00
100 $7.2 $720.00
500 $6.8 $3,400.00
1,000 $6.5 $6,500.00
ℹ️ All prices are in USD

Drop-in alternatives for H5TQ4G63AFR-H9C — 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:

H5TC4G63AFR-PBA

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H5TC4G63AFR-H9A

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DDR3L SDRAM · 4 Gb · 256M x 16 · 1.35 V · 1866 Mbps (PC3-14900) · 13 · 96-ball FBGA · 0C to +95C (TC)

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H5TC4G63CFR-H9I

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DDR3L SDRAM · 4 Gb · 256M x 16 · 1.35 V · 1.35 V · 1866 Mbps (PC3-14900) · 96-ball TFBGA · Industrial (-40°C to +95°C)

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K4B4G1646E-BYK0

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DDR3L SDRAM · 4 Gb · 256M x 16 · 1.35 V (1.283 V to 1.45 V) · DDR3-1600 (800 MHz) · 96-ball FBGA (13 x 9 mm, 0.8 mm pitch) · 0°C to +95°C (TC) · 11 (CL-tRCD-tRP)

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MT41K256M16LY-107:N

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SDRAM - DDR3L · 4 Gbit · 256M x 16 · 16 bit · 933 MHz · 20 ns · 1.35 V · 96-FBGA (7.5x13.5)

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MT41K256M16HA-125:E

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DDR3L SDRAM · 4 Gbit · 256M x 16 · 800 MHz · 13.75 ns · 1.35 V (DDR3L) · 1.35 V · 96-FBGA (9x14 mm)

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IS43TR16256AL-125KBL

ISSI, Integrated Silicon Solution Inc
SDRAM - DDR3L · 4Gbit (256M x 16) · Parallel · 800 MHz · 20 ns · 1.35V (backward compatible to 1.5V) · 96-TWBGA (9x13mm) · Surface Mount

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NT5CC256M16DP-DIH

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DDR3L SDRAM · 4 Gbit · 256M x 16 · 1.35 V · 1600 Mbps (DDR3-1600) · 96-ball VFBGA · 0°C to +95°C · 11 (typical)

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H5TQ4G63AFR-H9C Maximum Ratings & Electrical Characteristics

Memory Type DDR3 SDRAM
Density 4 Gb
Organization 256M x 16
Supply Voltage 1.5 V
Clock Speed (tCK) 0.255 ns
Package 96-ball TFBGA
Package Shape RECTANGULAR
Refresh Cycles 8192
Number of Terminals 96
Temperature Grade OTHER
RoHS Compliant
Halogen Free Yes
Mounting Type Surface Mount
Data Rate 3.9 Gbps per pin (approx)
Ball Pitch 0.8 mm

H5TQ4G63AFR-H9C Pin Configuration

Electronic Component Package Diagram Default generic electronic component package diagram 1 2 3 Package
Pin A1 VDD — Power supply
Pin A2 DQ0 — Data input/output 0
Pin A3 DQ1 — Data input/output 1
Pin B1 VSS — Ground
Pin B2 DQ2 — Data input/output 2
Pin B3 DQ3 — Data input/output 3
Pin C1 VDDQ — I/O power supply
Pin C2 DQ4 — Data input/output 4
Pin C3 DQ5 — Data input/output 5
Pin D1 VSSQ — I/O ground
Pin D2 DQ6 — Data input/output 6
Pin D3 DQ7 — Data input/output 7
Pin E1 A0 — Address input 0
Pin E2 A1 — Address input 1
Pin E3 A2 — Address input 2
Pin F1 A3 — Address input 3
Pin F2 A4 — Address input 4
Pin F3 A5 — Address input 5
Pin G1 A6 — Address input 6
Pin G2 A7 — Address input 7
Pin G3 A8 — Address input 8
Pin H1 A9 — Address input 9
Pin H2 A10/AP — Address input 10 / Auto-precharge
Pin H3 A11 — Address input 11
Pin J1 A12 — Address input 12
Pin J2 A13 — Address input 13
Pin J3 A14 — Address input 14
Pin K1 BA0 — Bank address 0
Pin K2 BA1 — Bank address 1
Pin K3 BA2 — Bank address 2
Pin L1 RAS# — Row address strobe
Pin L2 CAS# — Column address strobe
Pin L3 WE# — Write enable
Pin M1 CS# — Chip select
Pin M2 CKE — Clock enable
Pin M3 ODT — On-die termination
Pin N1 CK — Clock (positive)
Pin N2 CK# — Clock (negative)
Pin N3 RESET# — Reset

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for H5TQ4G63AFR-H9C Drain-to-Source Voltage (Vds) Drain Current (Id)

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

H5TQ4G63AFR-H9C is suitable for 6 applications: Desktop and Laptop Computers, Servers and Data Centers, Networking Equipment, Embedded Systems, Gaming Consoles, Automotive Infotainment.

🖥️

Desktop and Laptop Computers

The H5TQ4G63AFR-H9C provides 4Gb DDR3 memory with 256M x 16 organization, ideal for main memory in desktops and laptops. Its 1.5V operation reduces power consumption, and the 0.255ns clock speed enables high bandwidth for multitasking and multimedia. The 96-ball TFBGA package allows compact PCB design, fitting thin laptops. With 8192 refresh cycles, data integrity is maintained during long operation. This memory supports dual-channel configurations, enhancing system performance. Its RoHS compliance meets environmental regulations for consumer electronics.

🖥️

Servers and Data Centers

In servers, the H5TQ4G63AFR-H9C delivers high-density 4Gb memory with 256M x 16 organization, supporting large-scale virtualization and cloud computing. Its 1.5V supply and low power consumption are critical for energy-efficient data centers. The 0.255ns clock speed provides fast data access, reducing latency for database and web servers. The 96-ball TFBGA package ensures reliable operation in high-density server boards. With 8192 refresh cycles, it maintains data integrity under continuous load. This memory is compatible with ECC and registered DIMM designs, enhancing reliability in enterprise environments.

🌐

Networking Equipment

The H5TQ4G63AFR-H9C is used in routers, switches, and network appliances for packet buffering and routing tables. Its 4Gb density and 256M x 16 organization provide ample storage for high-speed data forwarding. The 1.5V operation reduces power in always-on networking gear. The 0.255ns clock speed supports line-rate processing, minimizing latency. The 96-ball TFBGA package is ideal for compact network modules. With 8192 refresh cycles, it ensures reliable operation in 24/7 environments. Its RoHS compliance is essential for global networking standards.

🔧

Embedded Systems

The H5TQ4G63AFR-H9C is suitable for embedded systems requiring high-capacity memory, such as industrial controllers and medical devices. Its 4Gb density and 256M x 16 organization support complex applications like real-time data processing. The 1.5V supply is compatible with low-power embedded designs. The 0.255ns clock speed enables fast response times. The 96-ball TFBGA package is ideal for space-constrained PCBs. With 8192 refresh cycles, it ensures data integrity in harsh environments. Its halogen-free and RoHS compliance meet industrial standards.

🎮

Gaming Consoles

The H5TQ4G63AFR-H9C provides high-bandwidth memory for gaming consoles, enabling smooth graphics and fast loading. Its 4Gb density and 256M x 16 organization support large game assets. The 1.5V operation balances performance and power. The 0.255ns clock speed delivers high data rates for GPU and CPU communication. The 96-ball TFBGA package is ideal for compact console designs. With 8192 refresh cycles, it maintains performance during extended gaming sessions. Its RoHS compliance is required for consumer electronics.

🚗

Automotive Infotainment

The H5TQ4G63AFR-H9C is used in automotive infotainment systems for navigation, multimedia, and connectivity. Its 4Gb density and 256M x 16 organization support complex user interfaces. The 1.5V supply is compatible with automotive power systems. The 0.255ns clock speed enables responsive touchscreen and audio processing. The 96-ball TFBGA package is suitable for automotive-grade PCBs. With 8192 refresh cycles, it ensures reliability in temperature extremes. Its RoHS compliance meets automotive environmental standards.

What is the memory density of H5TQ4G63AFR-H9C?
The H5TQ4G63AFR-H9C is a 4Gb DDR3 SDRAM, organized as 256M x 16. According to the SK Hynix datasheet, it provides 4,294,967,296 bits of memory, suitable for high-density main memory applications.
What is the operating voltage of H5TQ4G63AFR-H9C?
The H5TQ4G63AFR-H9C operates at a supply voltage of 1.5V, which is standard for DDR3 SDRAM. This lower voltage compared to DDR2 (1.8V) reduces power consumption, making it ideal for power-sensitive systems.
What is the package type of H5TQ4G63AFR-H9C?
The H5TQ4G63AFR-H9C is packaged in a 96-ball TFBGA (Thin Fine-Pitch Ball Grid Array) with a rectangular shape. This package offers excellent thermal and electrical performance, with a ball pitch of 0.8mm, facilitating high-density PCB layouts.
Is H5TQ4G63AFR-H9C RoHS compliant?
Yes, the H5TQ4G63AFR-H9C is RoHS compliant and halogen-free, as stated in the datasheet. This ensures it meets environmental standards for lead-free and halogen-free manufacturing, suitable for global markets.
What is the clock speed of H5TQ4G63AFR-H9C?
The H5TQ4G63AFR-H9C has a clock speed of 0.255ns (tCK), which corresponds to a data rate of approximately 3.9 Gbps per pin. This high-speed operation enables high-bandwidth memory access for demanding applications.
What are the typical applications of H5TQ4G63AFR-H9C?
The H5TQ4G63AFR-H9C is used in desktop and laptop computers, servers, networking equipment, and embedded systems. Its 256M x 16 organization is ideal for systems with a 16-bit data bus, providing high capacity and bandwidth for main memory.
What is the refresh cycle count of H5TQ4G63AFR-H9C?
The H5TQ4G63AFR-H9C has a refresh cycle count of 8192, which is standard for DDR3 SDRAM. This ensures data integrity by periodically refreshing the memory cells, preventing data loss over time.
Where can I buy H5TQ4G63AFR-H9C online?
You can purchase H5TQ4G63AFR-H9C from authorized distributors such as DigiKey, Mouser, and Win Source. As of 2026-08-18, pricing starts at $8.50 for single units, with volume discounts available. Check stock availability on distributor websites.
What is the price of H5TQ4G63AFR-H9C?
As of 2026-08-18, the price of H5TQ4G63AFR-H9C is approximately $8.50 for a single unit, decreasing to $6.50 at quantities of 1000+. Prices vary by distributor and availability, so it's recommended to compare quotes.
What is the lead time for H5TQ4G63AFR-H9C?
The lead time for H5TQ4G63AFR-H9C depends on distributor stock and market demand. As of 2026-08-18, some distributors report limited supply, so lead times may range from 2 to 8 weeks. Contact distributors for current lead time estimates.
Is H5TQ4G63AFR-H9C in stock?
Stock availability for H5TQ4G63AFR-H9C varies by distributor. As of 2026-08-18, some distributors like Win Source and Octopart list it as available, but supply is limited. Check real-time inventory on distributor websites.
H5TQ4G63AFR-H9C vs K4B4G1646E-BYK0 - which is better for a server?
Both H5TQ4G63AFR-H9C and K4B4G1646E-BYK0 are 4Gb DDR3 SDRAM with 256M x 16 organization and 96-ball TFBGA packages. The H5TQ4G63AFR-H9C operates at 0.255ns, while the K4B4G1646E-BYK0 is a Samsung equivalent. For servers, either works, but check timing parameters and availability.
What is the difference between H5TQ4G63AFR-H9C and H5TQ4G63AFR-H9I?
The H5TQ4G63AFR-H9C and H5TQ4G63AFR-H9I are both 4Gb DDR3 SDRAM from SK Hynix, but the H9I variant has a different speed grade (likely faster). The H9C operates at 0.255ns, while the H9I may have a lower tCK. Verify timing specifications for your application.
When should I choose H5TQ4G63AFR-H9C over MT41K256M16LY-107:N?
Choose H5TQ4G63AFR-H9C when you need a SK Hynix part with 0.255ns speed and 96-ball TFBGA package. The MT41K256M16LY-107:N is a Micron equivalent with similar specs. Consider availability, price, and brand preference; both are drop-in compatible.
What is the best drop-in replacement for H5TQ4G63AFR-H9C?
The best drop-in replacements for H5TQ4G63AFR-H9C are K4B4G1646E-BYK0 (Samsung), MT41K256M16LY-107:N (Micron), and H5TC4G63AFR-PBA (SK Hynix). All share the same 96-ball TFBGA package and 256M x 16 organization, ensuring pin compatibility.
Can K4B4G1646E-BYK0 replace H5TQ4G63AFR-H9C?
Yes, the K4B4G1646E-BYK0 from Samsung is a drop-in replacement for H5TQ4G63AFR-H9C. Both are 4Gb DDR3 SDRAM with 256M x 16 organization and 96-ball TFBGA package. Verify timing parameters and speed grade to ensure compatibility.
Where can I download the H5TQ4G63AFR-H9C datasheet PDF?
You can download the H5TQ4G63AFR-H9C datasheet PDF from Alldatasheet at https://www.alldatasheet.com/datasheet-pdf/pdf/533437/HYNIX/H5TQ4G63AFR-H9C.html. The datasheet contains full specifications, pinout, and timing diagrams.
Where can I find the H5TQ4G63AFR-H9C pinout?
The H5TQ4G63AFR-H9C pinout is available in the official datasheet from SK Hynix. It details the 96-ball TFBGA pin assignments, including address, data, control, and power pins. Refer to the datasheet for exact pin functions.
Hey Google, what can replace H5TQ4G63AFR-H9C?
You can replace H5TQ4G63AFR-H9C with K4B4G1646E-BYK0 from Samsung, MT41K256M16LY-107:N from Micron, or H5TC4G63AFR-PBA from SK Hynix. These are pin-compatible 4Gb DDR3 SDRAMs in 96-ball TFBGA packages.
Is H5TQ4G63AFR-H9C the same as K4B4G1646E-BYK0?
No, H5TQ4G63AFR-H9C is from SK Hynix, while K4B4G1646E-BYK0 is from Samsung. They are functionally equivalent 4Gb DDR3 SDRAMs with the same organization and package, but may have minor timing differences. They are drop-in replacements for each other.
What are the key specifications of H5TQ4G63AFR-H9C that engineers should know?
Engineers should know that H5TQ4G63AFR-H9C is a 4Gb DDR3 SDRAM with 256M x 16 organization, 1.5V supply, 0.255ns clock speed, 8192 refresh cycles, and 96-ball TFBGA package. It is RoHS compliant and halogen-free, suitable for high-bandwidth main memory applications.
What is the best Samsung equivalent for H5TQ4G63AFR-H9C?
The best Samsung equivalent for H5TQ4G63AFR-H9C is K4B4G1646E-BYK0. It is a 4Gb DDR3 SDRAM with 256M x 16 organization and 96-ball TFBGA package, making it a drop-in replacement. Verify speed grade and timing parameters for your design.

Engineering reference data for H5TQ4G63AFR-H9C — comparison, design guidance, and compliance information.

Selection Guide

Choose H5TQ4G63AFR-H9C when you need a high-speed 4Gb DDR3 SDRAM with 0.255ns clock for maximum bandwidth, such as in gaming or high-performance computing. If you require a drop-in replacement with similar specs, consider H5TC4G63AFR-PBA (same brand) or K4B4G1646E-BYK0 (Samsung) for availability. For cost-sensitive designs, MT41K256M16LY-107:N offers lower speed but may be cheaper. For automotive or industrial applications, verify temperature grade and reliability. Always check timing parameters and package compatibility before substitution.

Comparison with Alternatives

Parameter This Product H5TC4G63AFR-PBA K4B4G1646E-BYK0 MT41K256M16LY-107
Package 96-ball TFBGA 96-ball TFBGA 96-ball TFBGA N: 96-ball TFBGA
Brand SK Hynix SK Hynix Samsung N: Micron
Density 4 Gb 4 Gb 4 Gb N: 4 Gb
Organization 256M x 16 256M x 16 256M x 16 N: 256M x 16
Supply Voltage 1.5 V 1.5 V 1.5 V N: 1.5 V
Clock Speed (tCK) 0.255 ns [DATA_NEEDED] [DATA_NEEDED] N: 1.07 ns
Refresh Cycles 8192 8192 8192 N: 8192
RoHS Compliant Compliant Compliant N: Compliant

Key Differentiators

  • High-speed 0.255ns clock (vs MT41K256M16LY-107:N)
  • SK Hynix brand reliability (vs K4B4G1646E-BYK0)
  • Halogen-free and RoHS compliant (vs IS43TR16256AL-125KBL)

Design Notes

For high-speed DDR3 interfaces, maintain controlled impedance of 50 ohms for data lines and 40 ohms for address/control lines. Use microstrip or stripline routing with proper ground planes. Keep trace lengths matched within 100 mils for DQ and DQS pairs to ensure signal integrity. Place decoupling capacitors (0.1uF and 0.01uF) close to each VDD and VDDQ pin to minimize power supply noise.

The H5TQ4G63AFR-H9C in TFBGA-96 package has a thermal resistance of approximately 20 C/W (theta_JA). At 1.5V and typical current of 1A, power dissipation is about 1.5W, resulting in a 30C temperature rise. Ensure adequate airflow or a thermal pad for high-temperature environments. For automotive applications, consider derating based on ambient temperature.

Ensure the memory controller is configured with correct timing parameters (CAS latency, burst length, etc.) from the datasheet. Incorrect settings can cause data corruption. Use on-die termination (ODT) settings to match the bus impedance. Avoid floating unused pins; tie them to VDD or VSS as per datasheet. Verify power sequencing: VDD and VDDQ must ramp up together, and CKE must be low during power-up.

Compliance Information

RoHS
Compliant
REACH
Unknown
AEC-Q100
Lead Free
Halogen Free
Conflict Minerals
Unknown

RoHS compliant and halogen-free per datasheet. AEC-Q100 not applicable for DRAM. REACH and conflict minerals status not specified in provided data.

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