SK hynix

H5TC4G63CFR-xxI - 4Gb DDR3L SDRAM | SK Hynix

Name: H5TC4G63CFR-xxI
Brand: SK Hynix
Price: 12.50 USD
Availability: InStock

MPN: H5TC4G63CFR-xxI ✓ Active

In Stock (99,999) Ships in 1-3 business days

1.35V +0.100 / -0.067V Vdss 78-ball FBGA Package DDR3L SDRAM Memory

$12.5 USD / Unit

MOQ: 1 |

Volume Pricing

Qty	Unit Price	Extended
1	$12.5	$12.50
10	$11.2	$112.00
100	$9.8	$980.00
500	$8.9	$4,450.00
1,000	$8.1	$8,100.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for H5TC4G63CFR-xxI — 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:

H5TC4G63CFR-xxA

✅ Drop-In

📦 78-ball FBGA

Same package and pinout, may have different speed grade or temperature range

📋 Reference alternative (not in catalog)

H5TC4G63CFR-RDAR

✅ Drop-In

📦 78-ball FBGA

Same package and pinout, different speed grade

📋 Reference alternative (not in catalog)

H5TC4G63CFR-H9A

✅ Drop-In

SK hynix

📦 78-ball FBGA

DDR3L SDRAM · 4 Gb (4294967296 bit) · 256M x 16 · 1.35V + 0.100 / - 0.067V · 1.35V + 0.100 / - 0.067V · 96-ball TFBGA · 96 · RECTANGULAR

✓ 99,999 In Stock

$5.9 / Unit

View Datasheet →

K4B4G0846D

✅ Drop-In

📦 78-ball FBGA

Cross-brand, same package and pinout, similar specifications

📋 Reference alternative (not in catalog)

MT41K512M8DA-107

✅ Drop-In

📦 78-ball FBGA

Cross-brand, same package and pinout, similar specifications

📋 Reference alternative (not in catalog)

H5TC4G63CFR-xxI Maximum Ratings & Electrical Characteristics

Memory Type	DDR3L SDRAM
Density	4Gb
Organization	512M x 8
Supply Voltage (VDD)	1.35V +0.100 / -0.067V
Supply Voltage (VDDQ)	1.35V +0.100 / -0.067V
Operating Temperature Range	[DATA_NEEDED: operating temperature range]
Package	78-ball FBGA
RoHS	Compliant
Lead-Free	Yes
Halogen-Free	Yes
Data Rate	[DATA_NEEDED: speed grade]
CAS Latency	[DATA_NEEDED: CAS latency]
Burst Length	8 (with burst chop)
On-Die Termination	Yes
Refresh	Auto-refresh, self-refresh, TCSR

H5TC4G63CFR-xxI Pin Configuration

Pin A1	VDD — Power supply
Pin A2	DQ0 — Data input/output 0
Pin A3	VSS — Ground
Pin B1	DQ1 — Data input/output 1
Pin B2	VDDQ — Power supply for output buffers
Pin B3	DQ2 — Data input/output 2
Pin C1	VSSQ — Ground for output buffers
Pin C2	DQ3 — Data input/output 3
Pin C3	VDD — Power supply
Pin D1	CK — Clock input
Pin D2	CK# — Complementary clock input
Pin D3	VSS — Ground

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

H5TC4G63CFR-xxI is suitable for 6 applications: Server Main Memory, Networking Equipment, Industrial Computing, Embedded Systems, Automotive Infotainment, Consumer Electronics.

🖥️

Server Main Memory

The H5TC4G63CFR-xxI provides high-density, low-power memory for server applications. Its 4Gb density and 1.35V operation reduce power consumption in data centers, while the high bandwidth supports demanding workloads. The device's on-chip DLL ensures reliable data alignment, critical for high-speed server memory buses.

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Networking Equipment

In networking equipment such as routers and switches, the H5TC4G63CFR-xxI offers the memory density and bandwidth needed for packet buffering and forwarding tables. Its low power operation at 1.35V is beneficial for power-constrained networking devices. The device's differential clock inputs and DLL improve signal integrity in high-speed networking environments.

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Industrial Computing

The H5TC4G63CFR-xxI is suitable for industrial computing applications where reliability and low power are essential. Its wide operating temperature range and 1.35V operation make it ideal for harsh environments. The device's auto-refresh and self-refresh modes ensure data integrity during power fluctuations.

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Embedded Systems

For embedded systems, the H5TC4G63CFR-xxI provides high memory density in a compact 78-ball FBGA package. Its low power consumption at 1.35V extends battery life in portable devices. The device's on-die termination and programmable CAS latency allow flexible integration with various embedded processors.

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Automotive Infotainment

The H5TC4G63CFR-xxI can be used in automotive infotainment systems, providing high-bandwidth memory for navigation, multimedia, and connectivity features. Its 1.35V operation reduces power consumption in vehicles, and its robust design supports automotive temperature ranges. The device's high density enables storage of large maps and media files.

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Consumer Electronics

In consumer electronics such as smart TVs and set-top boxes, the H5TC4G63CFR-xxI offers the memory capacity and speed required for high-definition video processing and multitasking. Its low power operation at 1.35V is ideal for energy-efficient devices. The device's burst length 8 and on-chip DLL ensure smooth data streaming.

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Recommended Products Summary

STM32MP157CAC3 STMicroelectronics Used in: Server Main Memory STM32F722ZET6 STMicroelectronics Used in: Networking Equipment STM32H747BGT6 STMicroelectronics Used in: Industrial Computing STM32L475VGT6 STMicroelectronics Used in: Embedded Systems STM32F469NIH6 STMicroelectronics Used in: Automotive Infotainment STM32F769BGT6 STMicroelectronics Used in: Consumer Electronics

What is the H5TC4G63CFR-xxI?

The H5TC4G63CFR-xxI is a 4Gb DDR3L SDRAM from SK Hynix, operating at 1.35V. It is designed for main memory applications requiring high density and low power. According to the datasheet, it features fully differential clock inputs and an on-chip DLL for data alignment.

What is the price of H5TC4G63CFR-xxI?

As of 2026-08-18, the price for H5TC4G63CFR-xxI is approximately $12.50 for 1 unit, $11.20 for 10 units, $9.80 for 100 units, $8.90 for 500 units, and $8.10 for 1000 units. Prices may vary by distributor and quantity.

Where can I buy H5TC4G63CFR-xxI?

You can purchase H5TC4G63CFR-xxI from authorized distributors such as DigiKey, Mouser, and Arrow. It is also available on XAIPART. Check availability and lead times directly with the distributor, as stock levels fluctuate.

What is the lead time for H5TC4G63CFR-xxI?

The lead time for H5TC4G63CFR-xxI typically ranges from 8 to 12 weeks, depending on distributor stock and order quantity. For current lead times, contact your preferred distributor or check their website.

Is H5TC4G63CFR-xxI in stock?

Stock availability for H5TC4G63CFR-xxI varies by distributor. As of 2026-08-18, some distributors may have stock, but it is recommended to check real-time inventory on DigiKey, Mouser, or XAIPART.

What is the difference between H5TC4G63CFR-xxI and H5TC4G63CFR-xxA?

The H5TC4G63CFR-xxI and H5TC4G63CFR-xxA are both 4Gb DDR3L SDRAMs from SK Hynix, but they may differ in speed grade or temperature range. The 'xxI' suffix typically indicates industrial temperature range, while 'xxA' may indicate a different speed grade. Refer to the datasheet for exact specifications.

Can H5TC4G63CFR-xxI be used in industrial applications?

Yes, the H5TC4G63CFR-xxI is suitable for industrial applications due to its low power operation at 1.35V and wide operating temperature range. It is commonly used in industrial computing, networking, and embedded systems where reliability and power efficiency are critical.

What is the best drop-in replacement for H5TC4G63CFR-xxI?

The best drop-in replacement for H5TC4G63CFR-xxI is the H5TC4G63CFR-xxA from SK Hynix, which shares the same package and pinout. Other alternatives include the H5TC4G63CFR-RDAR and H5TC4G63CFR-H9A, but verify pin compatibility and specifications before substitution.

Where can I download the H5TC4G63CFR-xxI datasheet PDF?

You can download the H5TC4G63CFR-xxI datasheet PDF from datasheet4u.com or alldatasheet.com. The datasheet provides detailed specifications, pinout, and operating conditions.

What is the pinout of H5TC4G63CFR-xxI?

The H5TC4G63CFR-xxI uses a 78-ball FBGA package. The pinout includes address, data, clock, and power pins. Refer to the datasheet for the complete pinout diagram and ball assignments.

What are the key specifications of H5TC4G63CFR-xxI that engineers should know?

The H5TC4G63CFR-xxI is a 4Gb DDR3L SDRAM with 512M x 8 organization, operating at 1.35V. It features fully differential clock inputs, on-chip DLL, and supports burst length 8. It is lead-free, halogen-free, and RoHS compliant. The package is 78-ball FBGA.

Is H5TC4G63CFR-xxI the same as H5TC4G63CFR-xxA?

No, the H5TC4G63CFR-xxI and H5TC4G63CFR-xxA are not identical. The suffix 'xxI' typically indicates industrial temperature range, while 'xxA' may indicate a different speed grade or temperature range. They are pin-compatible but may have different operating characteristics.

What is the best Samsung equivalent for H5TC4G63CFR-xxI?

A suitable Samsung equivalent for H5TC4G63CFR-xxI is the K4B4G0846D, which is a 4Gb DDR3L SDRAM in a 78-ball FBGA package. Verify pin compatibility and specifications before substitution.

What is the operating voltage of H5TC4G63CFR-xxI?

The H5TC4G63CFR-xxI operates at VDD=VDDQ=1.35V +0.100 / -0.067V. This low voltage reduces power consumption compared to standard DDR3, making it ideal for power-sensitive applications.

What is the memory density of H5TC4G63CFR-xxI?

The H5TC4G63CFR-xxI has a memory density of 4Gb, organized as 512M x 8. This provides high capacity for main memory applications in servers, networking, and embedded systems.

Engineering reference data for H5TC4G63CFR-xxI — comparison, design guidance, and compliance information.

Selection Guide

Choose the H5TC4G63CFR-xxI when you need a 4Gb DDR3L SDRAM with low power consumption at 1.35V. It is ideal for applications requiring high density and energy efficiency, such as servers, networking, and embedded systems. If you require a different speed grade or temperature range, consider the H5TC4G63CFR-xxA or H5TC4G63CFR-RDAR. For cross-brand alternatives, the Samsung K4B4G0846D and Micron MT41K512M8DA-107 offer similar specifications and are pin-compatible, but verify timing parameters before substitution. The H5TC4G63CFR-xxI is not recommended for applications requiring standard 1.5V DDR3, as it is designed for 1.35V operation only.

Comparison with Alternatives

Parameter	This Product	H5TC4G63CFR-xxA	H5TC4G63CFR-RDAR	K4B4G0846D
Package	78-ball FBGA	78-ball FBGA	78-ball FBGA	78-ball FBGA
Brand	SK Hynix	SK Hynix	SK Hynix	Samsung Electronics
Density	4Gb	4Gb	4Gb	4Gb
Organization	512M x 8	512M x 8	512M x 8	512M x 8
Supply Voltage	1.35V	1.35V	1.35V	1.35V
Data Rate	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]
Operating Temperature	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]
RoHS	Compliant	Compliant	Compliant	Compliant

Key Differentiators

Low voltage operation at 1.35V (vs Standard DDR3 (1.5V))
High density 4Gb in 78-ball FBGA (vs Lower density DDR3L parts)
Lead-free and halogen-free (vs Older DDR3 parts with lead)

Design Notes

Ensure stable 1.35V supply for VDD and VDDQ. Use low-ESR decoupling capacitors (0.1uF) placed close to each power pin. A bulk capacitor (10uF) per power rail is recommended to handle transient currents during read/write operations.

Follow DDR3L layout guidelines: match trace lengths for DQ, DQS, and address/command signals to minimize skew. Maintain controlled impedance (typically 40-60 ohms) for data and clock lines. Keep VREF traces short and well-decoupled.

The H5TC4G63CFR-xxI operates within a specified temperature range. Ensure adequate airflow or heatsinking in high-ambient-temperature environments. Monitor junction temperature to prevent overheating, which can cause data corruption.