K4B4G1646D-BFMA - 4Gb DDR3 SDRAM x16 96FBGA | Samsung
Référence : K4B4G1646D-BFMA ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 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 |
K4B4G1646D-BFMA Présentation
DDR3 SDRAM (Double Data Rate 3 Synchronous Dynamic Random Access Memory) is a type of volatile memory that transfers data on both edges of the clock, doubling the data rate of its predecessor DDR2. It is widely used in PCs, servers, and embedded systems due to its high bandwidth and low power consumption. The K4B4G1646D-BFMA is part of Samsung's D-die family, offering improved performance and reliability.
Key features include a 16-bit I/O width, 8 internal banks, and support for burst lengths of 8 and 4 (with burst chop). It features on-die termination (ODT), programmable CAS latency, and a temperature-compensated self-refresh (TCSR) mode. The device is packaged in a 96-ball FBGA (Fine-Pitch Ball Grid Array) with a 0.8mm ball pitch, enabling compact PCB designs.
The K4B4G1646D-BFMA uses a 4Gb D-die architecture with a 1.5V core and I/O supply, achieving a typical operating current of and standby current of . It supports a wide operating temperature range of 0°C to 95°C (case temperature), making it suitable for industrial and consumer environments.
Typical applications include DDR3 memory modules for desktop and laptop computers, networking equipment, set-top boxes, and automotive infotainment systems. Its high density and speed make it ideal for systems requiring large memory capacity with moderate power consumption.
When designing with this device, ensure proper signal integrity by following the layout guidelines in the datasheet, including controlled impedance traces and adequate decoupling capacitors near the VDD and VDDQ pins. The device requires a 1.5V supply and a separate VREFCA and VREFDQ reference voltage, which should be generated with low-noise sources.
Alternatives de remplacement direct pour K4B4G1646D-BFMA — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec K4B4G1646D-BFMA (même facteur de forme et même empreinte) — différant par CAS Latency, Data Rate, Supply Voltage, Package, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
K4B4G1646E-BYK0
✅ Remplacement direct✓ En stock
$1.8 / unité
Voir la fiche technique →K4B4G1646D-BCK00
✅ Remplacement direct✓ En stock
$5.9 / unité
Voir la fiche technique →K4B4G1646D-BHMA
✅ Remplacement direct✓ En stock
$2.9 / unité
Voir la fiche technique →K4B4G1646Q
✅ Remplacement direct✓ En stock
$6.5 / unité
Voir la fiche technique →AS4C256M16D3C-12BCN
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MT41K256M16HA-125
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$6.3636 / unité
Voir la fiche technique →K4B4G1646D-BFMA Valeurs maximales et caractéristiques électriques
| Type de mémoire | DDR3 SDRAM |
| Density | 4Gb |
| Organisation de la mémoire | 256M x 16 |
| Débit de données | 1866 Mbps |
| Tension d'alimentation | 1.5V |
| Boîtier | 96-ball FBGA |
| Ball Pitch | 0.8mm |
| Number of Banks | 8 |
| Burst Length | 8 and 4 (with burst chop) |
| Latence CAS | Programmable |
| On-Die Termination | Yes |
| Temperature Range | 0°C to 95°C (case) |
| RoHS | Compliant |
| Lead-Free | Yes |
| Sans halogène | Yes |
Configuration des broches de K4B4G1646D-BFMA
| Broche A1 | VDD — Power supply |
| Broche A2 | VSS — Ground |
| Broche A3 | DQ0 — Data input/output 0 |
| Broche A4 | DQ1 — Data input/output 1 |
| Broche A5 | VDDQ — I/O power supply |
| Broche A6 | VSSQ — I/O ground |
| Broche A7 | DQ2 — Data input/output 2 |
| Broche A8 | DQ3 — Data input/output 3 |
| Broche A9 | VDD — Power supply |
| Broche A10 | VSS — Ground |
| Broche B1 | CK — Clock |
| Broche B2 | CK# — Complementary clock |
| Broche B3 | CKE — Clock enable |
| Broche B4 | CS# — Chip select |
| Broche B5 | RAS# — Row address strobe |
| Broche B6 | CAS# — Column address strobe |
| Broche B7 | WE# — Write enable |
| Broche B8 | ODT — On-die termination |
| Broche B9 | A0 — Address input 0 |
| Broche B10 | A1 — Address input 1 |
Applications typiques
K4B4G1646D-BFMA convient pour 6 applications: Desktop and Laptop Memory Modules, Networking Equipment, Set-Top Boxes and Consumer Electronics, Automotive Infotainment Systems, Industrial Control Systems, Medical Devices.
Desktop and Laptop Memory Modules
The K4B4G1646D-BFMA is ideal for DDR3 memory modules in desktop and laptop computers. Its 4Gb density and 1866 Mbps data rate provide high bandwidth for multitasking and gaming. The 1.5V supply is standard for DDR3, ensuring compatibility with existing memory controllers. The 96-FBGA package allows compact module designs, and the 0-95°C temperature range covers typical consumer operating conditions. When used in SO-DIMM or UDIMM modules, it delivers reliable performance for everyday computing tasks.
Recommandé
Networking Equipment
In networking equipment such as routers and switches, the K4B4G1646D-BFMA provides high-speed packet buffering and routing table storage. Its 1866 Mbps data rate ensures low-latency data transfer, critical for network performance. The 4Gb density allows for large routing tables and buffering of multiple data streams. The 1.5V supply is efficient for always-on networking devices. The 96-FBGA package is suitable for space-constrained line cards, and the 0-95°C range accommodates typical networking environments.
Recommandé
Set-Top Boxes and Consumer Electronics
The K4B4G1646D-BFMA is well-suited for set-top boxes and consumer electronics, providing memory for video decoding, user interfaces, and application processing. Its 4Gb density supports high-definition video streams and multiple applications. The 1866 Mbps data rate ensures smooth playback and responsive UI. The 1.5V supply is compatible with consumer power rails. The 96-FBGA package enables compact designs for slim devices. The 0-95°C temperature range covers typical home entertainment environments.
Recommandé
Automotive Infotainment Systems
In automotive infotainment systems, the K4B4G1646D-BFMA provides memory for navigation, media playback, and vehicle diagnostics. Its 4Gb density supports complex graphical interfaces and large map databases. The 1866 Mbps data rate ensures fast loading of applications. The 1.5V supply is suitable for automotive power systems. The 96-FBGA package is robust for vibration-prone environments. The 0-95°C temperature range covers automotive cabin conditions, though for extended temperature ranges, consider industrial-grade variants.
Recommandé
Industrial Control Systems
The K4B4G1646D-BFMA is used in industrial control systems for data logging, real-time processing, and HMI applications. Its 4Gb density allows for extensive data buffering and logging. The 1866 Mbps data rate supports real-time control loops. The 1.5V supply is common in industrial power designs. The 96-FBGA package is suitable for rugged PCBs. The 0-95°C temperature range covers most industrial environments, but for harsh conditions, verify the temperature grade of the specific variant.
Recommandé
Medical Devices
In medical devices such as patient monitors and diagnostic equipment, the K4B4G1646D-BFMA provides reliable memory for data acquisition and display. Its 4Gb density supports high-resolution imaging and continuous monitoring data. The 1866 Mbps data rate ensures real-time data processing. The 1.5V supply is suitable for medical power systems. The 96-FBGA package is compact for portable devices. The 0-95°C temperature range covers clinical environments. For medical certification, ensure the device meets required standards.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour K4B4G1646D-BFMA — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | K4B4G1646E-BYK0 | K4B4G1646D-BCK0 | AS4C256M16D3C-12BCN | MT41K256M16HA-125 |
|---|---|---|---|---|---|
| Package | 96-FBGA | 96-FBGA | 96-FBGA | 96-FBGA | 96-FBGA |
| Brand | Samsung Electronics | Samsung Electronics | Samsung Electronics | Alliance Memory | Micron Technology |
| Density | 4Gb | 4Gb | 4Gb | 4Gb | 4Gb |
| Organization | 256M x 16 | 256M x 16 | 256M x 16 | 256M x 16 | 256M x 16 |
| Supply Voltage | 1.5V | 1.5V | 1.5V | 1.5V | 1.5V |
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant |
Principaux différenciateurs
- High data rate of 1866 Mbps (vs K4B4G1646D-BCK0)
- D-die architecture with proven reliability (vs K4B4G1646E-BYK0)
- Wide temperature range of 0-95°C (vs K4B4G1646D-BHMA)
Notes de conception
Ensure controlled impedance traces for DQ, DQS, and clock signals to maintain signal integrity. Use 50-ohm single-ended and 100-ohm differential routing. Keep trace lengths matched within 100 mils for data and address buses. Place decoupling capacitors (0.1uF and 1uF) close to VDD and VDDQ pins to minimize power supply noise.
The K4B4G1646D-BFMA operates up to 95°C case temperature. Ensure adequate airflow or heatsinking in high-ambient environments. The 96-FBGA package has a thermal resistance of approximately [DATA_NEEDED: theta_JA]. For high-density modules, consider thermal simulation to verify junction temperature stays within limits.
Do not exceed the maximum supply voltage of 1.575V. Ensure VREFCA and VREFDQ are generated with low-noise sources, as noise on these references can degrade signal integrity. Follow the layout guidelines in the datasheet for termination and routing to avoid reflections and crosstalk.
Informations de conformité
RoHS compliant and lead-free/halogen-free per Samsung datasheet. AEC-Q100 not applicable for standard DDR3 SDRAM.
