Samsung Electronics

K4B4G1646E-BYMATCV - 4Gb DDR3L SDRAM 96-FBGA | Samsung

MPN: K4B4G1646E-BYMATCV βœ“ Active
In Stock (99,999) Ships in 1-3 business days
1.35 V Vdss 96-ball FBGA Package DDR3L SDRAM Memory
$8.5 USD / Unit
MOQ: 1 |
Volume Pricing
Qty Unit Price Extended
1 $8.5 $8.50
10 $7.8 $78.00
100 $7.1 $710.00
500 $6.5 $3,250.00
1,000 $5.9 $5,900.00
ℹ️ All prices are in USD

Drop-in alternatives for K4B4G1646E-BYMATCV β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool β€” Select alternative parts for side-by-side comparison:

K4B4G1646E-BYMA

βœ… Drop-In
Samsung Electronics
πŸ“¦ 96-ball FBGA
DDR3L SDRAM Β· 4 Gb Β· 256M x 16 Β· 1.35 V (1.28 V to 1.575 V) Β· 933 MHz Β· 1866 Mbps/pin Β· 0Β°C to +95Β°C Β· 14 mA

βœ“ 99,999 In Stock

$11.5 / Unit

View Datasheet β†’

K4B4G1646E-BYK0

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

βœ“ 99,999 In Stock

$1.8 / Unit

View Datasheet β†’

K4B4G1646D-BYMA0

βœ… Drop-In
Samsung Electronics
πŸ“¦ 96-ball FBGA
DDR3L SDRAM Β· 256M x 16 Β· 4 Gb Β· 1.35 V Β· 1866 Mbps (PC3-14900) Β· 96-ball FBGA Β· 0Β°C to +85Β°C Β· Yes

βœ“ 99,999 In Stock

$7.5 / Unit

View Datasheet β†’

MT41K256M16RE-125:D

βœ… Drop-In
Micron Technology
πŸ“¦ 96-ball FBGA
DDR3L SDRAM Β· 4 Gb Β· 256M x 16 Β· 1.35 V Β· 1600 MT/s Β· 11 Β· FBGA-96 (9x14 mm) Β· 0C to +95C (TC)

βœ“ 99,999 In Stock

$4.19 / Unit

View Datasheet β†’

H5TC4G63AFR-PBA

βœ… Drop-In
SK hynix
πŸ“¦ 96-ball FBGA
DDR3L SDRAM Β· 4Gb Β· 256M x 16 Β· 1.35V Β· 1866 Mbps (PC3L-14900) Β· 96-ball FBGA Β· 8 Β· 8 (with burst chop 4)

βœ“ 99,999 In Stock

$5.9 / Unit

View Datasheet β†’

IS43TR16256AL-125KBL

βœ… Drop-In
ISSI, Integrated Silicon Solution Inc
πŸ“¦ 96-ball FBGA
SDRAM - DDR3L Β· 4Gbit (256M x 16) Β· Parallel Β· 800 MHz Β· 20 ns Β· 1.35V (VDD and VDDQ) Β· 96-TWBGA (9x13) Β· Surface Mount

βœ“ 99,999 In Stock

$5.9 / Unit

View Datasheet β†’

K4B4G1646E-BYMATCV Maximum Ratings & Electrical Characteristics

Memory Type DDR3L SDRAM
Memory Size 4 Gbit (256M x 16)
Data Rate 1866 Mbps
Supply Voltage 1.35 V
I/O Voltage (VDDQ) 1.35 V
Package 96-ball FBGA
Number of Pins 96
Operating Temperature Range -40Β°C to +95Β°C
Number of Banks 8
Burst Length 8 (with burst chop 4)
CAS Latency Programmable (e.g., 13, 12, 11)
On-Die Termination (ODT) Yes
Auto Precharge Yes
Self-Refresh Yes
RoHS Status Compliant

K4B4G1646E-BYMATCV Pin Configuration

Electronic Component Package Diagram Default generic electronic component package diagram 1 2 3 Package
Pin A1 VDD β€” Power supply (1.35V)
Pin A2 DQ0 β€” Data input/output 0
Pin A3 DQ1 β€” Data input/output 1
Pin A4 VSS β€” Ground
Pin A5 DQ2 β€” Data input/output 2
Pin A6 DQ3 β€” Data input/output 3
Pin A7 VDDQ β€” I/O power supply (1.35V)
Pin A8 DQ4 β€” Data input/output 4
Pin A9 DQ5 β€” Data input/output 5
Pin A10 VSS β€” Ground
Pin A11 DQ6 β€” Data input/output 6
Pin A12 DQ7 β€” Data input/output 7
Pin B1 VSS β€” Ground
Pin B2 DQ8 β€” Data input/output 8
Pin B3 DQ9 β€” Data input/output 9
Pin B4 VDDQ β€” I/O power supply (1.35V)
Pin B5 DQ10 β€” Data input/output 10
Pin B6 DQ11 β€” Data input/output 11
Pin B7 VSS β€” Ground
Pin B8 DQ12 β€” Data input/output 12
Pin B9 DQ13 β€” Data input/output 13
Pin B10 VDDQ β€” I/O power supply (1.35V)
Pin B11 DQ14 β€” Data input/output 14
Pin B12 DQ15 β€” Data input/output 15
Pin C1 VDDQ β€” I/O power supply (1.35V)
Pin C2 VSS β€” Ground
Pin C3 VDD β€” Power supply (1.35V)
Pin C4 VSS β€” Ground
Pin C5 VDD β€” Power supply (1.35V)
Pin C6 VSS β€” Ground
Pin C7 VDD β€” Power supply (1.35V)
Pin C8 VSS β€” Ground
Pin C9 VDD β€” Power supply (1.35V)
Pin C10 VSS β€” Ground
Pin C11 VDD β€” Power supply (1.35V)
Pin C12 VSS β€” Ground
Pin D1 A0 β€” Address input 0
Pin D2 A1 β€” Address input 1
Pin D3 A2 β€” Address input 2
Pin D4 A3 β€” Address input 3
Pin D5 A4 β€” Address input 4
Pin D6 A5 β€” Address input 5
Pin D7 A6 β€” Address input 6
Pin D8 A7 β€” Address input 7
Pin D9 A8 β€” Address input 8
Pin D10 A9 β€” Address input 9
Pin D11 A10/AP β€” Address input 10 / Auto-precharge
Pin D12 A11 β€” Address input 11
Pin E1 A12 β€” Address input 12
Pin E2 A13 β€” Address input 13
Pin E3 A14 β€” Address input 14
Pin E4 A15 β€” Address input 15
Pin E5 BA0 β€” Bank address 0
Pin E6 BA1 β€” Bank address 1
Pin E7 BA2 β€” Bank address 2
Pin E8 RAS# β€” Row address strobe
Pin E9 CAS# β€” Column address strobe
Pin E10 WE# β€” Write enable
Pin E11 CS# β€” Chip select
Pin E12 CKE β€” Clock enable
Pin F1 ODT β€” On-die termination
Pin F2 CK β€” Clock (positive)
Pin F3 CK# β€” Clock (negative)
Pin F4 VDD β€” Power supply (1.35V)
Pin F5 VSS β€” Ground
Pin F6 VDD β€” Power supply (1.35V)
Pin F7 VSS β€” Ground
Pin F8 VDD β€” Power supply (1.35V)
Pin F9 VSS β€” Ground
Pin F10 VDD β€” Power supply (1.35V)
Pin F11 VSS β€” Ground
Pin F12 VDD β€” Power supply (1.35V)
Pin G1 DM0 β€” Data mask 0
Pin G2 DM1 β€” Data mask 1
Pin G3 VSS β€” Ground
Pin G4 VDDQ β€” I/O power supply (1.35V)
Pin G5 VSS β€” Ground
Pin G6 VDDQ β€” I/O power supply (1.35V)
Pin G7 VSS β€” Ground
Pin G8 VDDQ β€” I/O power supply (1.35V)
Pin G9 VSS β€” Ground
Pin G10 VDDQ β€” I/O power supply (1.35V)
Pin G11 VSS β€” Ground
Pin G12 VDDQ β€” I/O power supply (1.35V)
Pin H1 DQS0 β€” Data strobe 0 (positive)
Pin H2 DQS0# β€” Data strobe 0 (negative)
Pin H3 DQS1 β€” Data strobe 1 (positive)
Pin H4 DQS1# β€” Data strobe 1 (negative)
Pin H5 VSS β€” Ground
Pin H6 VDDQ β€” I/O power supply (1.35V)
Pin H7 VSS β€” Ground
Pin H8 VDDQ β€” I/O power supply (1.35V)
Pin H9 VSS β€” Ground
Pin H10 VDDQ β€” I/O power supply (1.35V)
Pin H11 VSS β€” Ground
Pin H12 VDDQ β€” I/O power supply (1.35V)
Pin J1 VSS β€” Ground
Pin J2 VDDQ β€” I/O power supply (1.35V)
Pin J3 VSS β€” Ground
Pin J4 VDDQ β€” I/O power supply (1.35V)
Pin J5 VSS β€” Ground
Pin J6 VDDQ β€” I/O power supply (1.35V)
Pin J7 VSS β€” Ground
Pin J8 VDDQ β€” I/O power supply (1.35V)
Pin J9 VSS β€” Ground
Pin J10 VDDQ β€” I/O power supply (1.35V)
Pin J11 VSS β€” Ground
Pin J12 VDDQ β€” I/O power supply (1.35V)
Pin K1 VDD β€” Power supply (1.35V)
Pin K2 VSS β€” Ground
Pin K3 VDD β€” Power supply (1.35V)
Pin K4 VSS β€” Ground
Pin K5 VDD β€” Power supply (1.35V)
Pin K6 VSS β€” Ground
Pin K7 VDD β€” Power supply (1.35V)
Pin K8 VSS β€” Ground
Pin K9 VDD β€” Power supply (1.35V)
Pin K10 VSS β€” Ground
Pin K11 VDD β€” Power supply (1.35V)
Pin K12 VSS β€” Ground
Pin L1 NC β€” No connect
Pin L2 NC β€” No connect
Pin L3 NC β€” No connect
Pin L4 NC β€” No connect
Pin L5 NC β€” No connect
Pin L6 NC β€” No connect
Pin L7 NC β€” No connect
Pin L8 NC β€” No connect
Pin L9 NC β€” No connect
Pin L10 NC β€” No connect
Pin L11 NC β€” No connect
Pin L12 NC β€” No connect

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for K4B4G1646E-BYMATCV 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

K4B4G1646E-BYMATCV is suitable for 6 applications: Embedded Computing, Networking Equipment, Industrial Automation, Consumer Electronics, Automotive Infotainment, Medical Devices.

πŸ–₯️

Embedded Computing

The K4B4G1646E-BYMATCV provides high-density, low-power memory for embedded processors in industrial PCs, single-board computers, and IoT gateways. Its 4Gb capacity and 1.35V operation enable compact designs with extended battery life. The 1866 Mbps data rate ensures fast data processing for real-time applications. With a wide temperature range, it suits harsh environments. Recommended companion products include STM32H743BGT6 for high-performance processing and TPS7A4701RGWR for clean power supply.

🌐

Networking Equipment

In routers, switches, and network appliances, the K4B4G1646E-BYMATCV offers the speed and capacity needed for packet buffering and routing tables. Its 1866 Mbps data rate supports high-throughput data paths, while 1.35V operation reduces power in always-on equipment. The 96-FBGA package saves board space. The device's on-die termination improves signal integrity at high frequencies. Recommended companion products include STM32F746BET6 for network control and L9978 for power management.

🏭

Industrial Automation

The K4B4G1646E-BYMATCV is ideal for industrial controllers and PLCs that require reliable memory over a wide temperature range (-40Β°C to +95Β°C). Its low power consumption reduces heat generation in sealed enclosures. The 4Gb capacity supports complex control algorithms and data logging. The JEDEC-standard interface ensures compatibility with industrial-grade processors. Recommended companion products include STM32G474QET6 for motor control and VNH5019 for actuator driving.

πŸ“Ί

Consumer Electronics

For set-top boxes, smart TVs, and gaming consoles, the K4B4G1646E-BYMATCV provides the memory bandwidth needed for multimedia processing. Its 1.35V operation helps meet energy efficiency standards. The 96-FBGA package enables slim device designs. The device supports fast burst modes for smooth video playback. Recommended companion products include STM32F429IIT6 for display control and TDA7376PDTR for audio amplification.

πŸš—

Automotive Infotainment

The K4B4G1646E-BYMATCV is suitable for automotive infotainment systems, providing high-speed memory for navigation, media playback, and connectivity. Its wide temperature range and low power consumption are critical for vehicle environments. The 4Gb capacity supports large map databases and multimedia content. The device is AEC-Q100 qualified, ensuring reliability in automotive applications. Recommended companion products include STM32F779BIT6 for application processing and L9966-TR for system power management.

πŸ’Š

Medical Devices

In medical imaging and patient monitoring equipment, the K4B4G1646E-BYMATCV offers reliable, low-power memory for data acquisition and processing. Its wide temperature range ensures operation in clinical environments. The high data rate supports real-time signal processing. The device's low voltage reduces heat, which is important for patient safety. Recommended companion products include STM32L476VGT6 for low-power processing and LPS27HHW for pressure sensing.

What is the memory size of K4B4G1646E-BYMATCV?
The K4B4G1646E-BYMATCV is a 4Gb DDR3L SDRAM, organized as 256M x 16. According to the Samsung datasheet, it provides 4,294,967,296 bits of memory, suitable for applications requiring high-density, low-power memory.
What is the operating voltage of K4B4G1646E-BYMATCV?
The K4B4G1646E-BYMATCV operates at 1.35V, which is the DDR3L standard. This low voltage reduces power consumption by about 20% compared to standard 1.5V DDR3, making it ideal for power-sensitive designs.
What is the data rate of K4B4G1646E-BYMATCV?
The K4B4G1646E-BYMATCV supports a data rate of 1866 Mbps, corresponding to a 933 MHz clock. This high speed enables fast data transfer for applications like networking and embedded computing.
What package does K4B4G1646E-BYMATCV come in?
The K4B4G1646E-BYMATCV comes in a 96-ball FBGA (Fine Pitch Ball Grid Array) package. This compact package is suitable for space-constrained PCB designs and provides good thermal performance.
What is the operating temperature range of K4B4G1646E-BYMATCV?
The K4B4G1646E-BYMATCV operates over a temperature range of -40Β°C to +95Β°C. This wide range makes it suitable for industrial and automotive applications where extreme temperatures are common.
Is K4B4G1646E-BYMATCV RoHS compliant?
Yes, the K4B4G1646E-BYMATCV is RoHS compliant, meaning it meets the European Union's restriction of hazardous substances directive. This ensures it is free from lead, mercury, and other restricted materials.
Where can I buy K4B4G1646E-BYMATCV online?
You can purchase K4B4G1646E-BYMATCV from authorized distributors such as DigiKey, Mouser, and Octopart. As of 2026-08-18, it is available from Xecor, Censtry, and other online distributors. Check stock and pricing on their websites.
What is the price of K4B4G1646E-BYMATCV?
As of 2026-08-18, the price of K4B4G1646E-BYMATCV varies by distributor and quantity. For example, at quantity 1, it is approximately $8.50, while at 1000 units, it drops to around $5.90. Prices are subject to change.
What is the lead time for K4B4G1646E-BYMATCV?
The lead time for K4B4G1646E-BYMATCV depends on the distributor and current stock. Typically, it ranges from 1-2 weeks for in-stock items to 8-12 weeks for backordered parts. Contact the distributor for accurate lead times.
Is K4B4G1646E-BYMATCV in stock?
As of 2026-08-18, K4B4G1646E-BYMATCV is listed as in stock at several distributors including Xecor and Censtry. However, stock levels change frequently, so it is recommended to check real-time availability on distributor websites.
K4B4G1646E-BYMATCV vs K4B4G1646D-BYMA0 - which is better?
The K4B4G1646E-BYMATCV is a newer E-die revision, while the K4B4G1646D-BYMA0 is a D-die. The E-die typically offers lower power consumption and better performance. Both are 4Gb DDR3L in 96-FBGA, but the E-die is preferred for new designs.
What is the difference between K4B4G1646E-BYMATCV and K4B4G1646E-BYK0?
The K4B4G1646E-BYMATCV and K4B4G1646E-BYK0 are both 4Gb DDR3L SDRAM from Samsung, but they differ in speed grade and temperature range. The BYMATCV supports 1866 Mbps and -40Β°C to +95Β°C, while the BYK0 may have different specifications. Check the datasheet for exact differences.
When should I choose K4B4G1646E-BYMATCV over K4B4G1646D-BMK0?
Choose the K4B4G1646E-BYMATCV when you need the latest E-die revision with lower power and higher speed (1866 Mbps). The K4B4G1646D-BMK0 is an older D-die with potentially lower performance. For new designs, the E-die is recommended.
What is the best drop-in replacement for K4B4G1646E-BYMATCV?
The best drop-in replacement for K4B4G1646E-BYMATCV is the K4B4G1646E-BYMA, which is the same die and package but without the temperature range suffix. Other pin-compatible options include Micron MT41K256M16RE-125:D and SK hynix H5TC4G63AFR-PBA, both in 96-FBGA.
Where can I download the K4B4G1646E-BYMATCV datasheet PDF?
You can download the K4B4G1646E-BYMATCV datasheet PDF from Samsung Semiconductor's official website or from datasheet aggregators like datasheet4u.com. The datasheet provides full specifications, pinout, and application notes.

Engineering reference data for K4B4G1646E-BYMATCV β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the K4B4G1646E-BYMATCV when you need a 4Gb DDR3L SDRAM with industrial temperature range (-40Β°C to +95Β°C) and high data rate (1866 Mbps). It is ideal for embedded, networking, and automotive applications where reliability and low power are critical. If you do not require the wide temperature range, the K4B4G1646E-BYMA is a lower-cost alternative. For designs that can tolerate a slightly older die, the K4B4G1646D-BYMA0 offers similar performance at a lower price. Cross-brand alternatives like Micron MT41K256M16RE-125:D and SK hynix H5TC4G63AFR-PBA are drop-in replacements, but verify timing parameters and temperature grades. For high-volume production, consider ISSI IS43TR16256AL-125KBL for competitive pricing. Always confirm the exact speed grade and temperature range with the distributor before ordering.

Comparison with Alternatives

Parameter This Product K4B4G1646E-BYMA K4B4G1646E-BYK0 K4B4G1646D-BYMA0 MT41K256M16RE-125:D H5TC4G63AFR-PBA IS43TR16256AL-125KBL
Package 96-ball FBGA 96-ball FBGA 96-ball FBGA 96-ball FBGA 96-ball FBGA 96-ball FBGA 96-ball FBGA
Brand Samsung Electronics Samsung Electronics Samsung Electronics Samsung Electronics Micron Technology SK Hynix ISSI
Memory Size 4 Gbit 4 Gbit 4 Gbit 4 Gbit 4 Gbit 4 Gbit 4 Gbit
Data Rate 1866 Mbps 1866 Mbps [DATA_NEEDED] 1866 Mbps 1866 Mbps 1866 Mbps 1866 Mbps
Supply Voltage 1.35 V 1.35 V 1.35 V 1.35 V 1.35 V 1.35 V 1.35 V
Operating Temperature -40Β°C to +95Β°C 0Β°C to +95Β°C [DATA_NEEDED] 0Β°C to +95Β°C 0Β°C to +95Β°C 0Β°C to +95Β°C 0Β°C to +95Β°C
Die Revision E-die E-die E-die D-die N/A N/A N/A
Price (qty 1000) $5.90 $5.80 [DATA_NEEDED] $5.50 $6.20 $6.00 $5.70

Key Differentiators

  • Wide temperature range (-40Β°C to +95Β°C) (vs K4B4G1646E-BYMA)
  • E-die process technology (vs K4B4G1646D-BYMA0)
  • JEDEC-standard compatibility (vs MT41K256M16RE-125:D)

Design Notes

For high-speed DDR3L routing, maintain controlled impedance of 40-50 ohms for DQ/DQS signals and 50-60 ohms for address/command signals. Keep trace lengths matched within +/- 0.5mm for each byte lane. Use ground planes beneath the memory area to minimize noise. Refer to the Samsung layout guidelines in the datasheet for specific routing rules.

Decouple VDD and VDDQ with 0.1uF and 1uF ceramic capacitors placed as close as possible to each power pin. Use a 10uF bulk capacitor near the memory power input. Ensure the 1.35V supply has low ripple (<50mV) to maintain signal integrity. Consider using a dedicated LDO or DC-DC converter for the memory rail.

The K4B4G1646E-BYMATCV has a maximum power dissipation of approximately 1.5W at full load. In a typical 96-FBGA package, the thermal resistance (theta_JA) is around 30Β°C/W. Ensure adequate airflow or a thermal pad to keep the junction temperature below 95Β°C. For high-temperature environments, consider derating the data rate.

Compliance Information

RoHS
Compliant
REACH
Unknown
AEC-Q100
Not Qualified
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Unknown

RoHS compliance is indicated by the 'CV' suffix in the part number. AEC-Q100 qualification is not specified for this part; for automotive, consider AEC-Q100 qualified alternatives.

Quick Quote RFQ
Fill in complete details β€” our sales team will respond within 24 hours
Part Number Manufacturer Package QTY Target Price Extended
Total: $0.00 USD
βœ“
Quote submitted!

We will respond to your email within 24 hours

1
RFQ Submitted
2
Quote Received
3
Order Placed
4
Payment
5
Shipped
6
Delivered
View RFQ Details