K4B4G1646E-BCNB - 4Gb DDR3 SDRAM, 256Mx16, 1.35V | Samsung
MPN: K4B4G1646E-BCNB ✓ ActiveK4B4G1646E-BCNB Overview
Drop-in alternatives for K4B4G1646E-BCNB — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with K4B4G1646E-BCNB (same form factor and footprint) — differing in Package, Memory Type, Operating Temperature, Supply Voltage, Burst Length.
MT41K256M16TW-107
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View Datasheet →H5TQ4G63AFR-H9C
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View Datasheet →IS43TR16256A-15HBL-TR
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View Datasheet →W632GU6NB
📋 Reference alternative (not in catalog)
AS4C256M16D3L-12BCN
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View Datasheet →K4B4G1646E-BCNB Maximum Ratings & Electrical Characteristics
| Memory Type | DDR3 SDRAM |
| Memory Size | 4 Gb |
| Organization | 256M x 16 |
| Supply Voltage | 1.35 V (1.283 V to 1.45 V) |
| Data Rate | 1866 Mbps |
| Operating Temperature | 0C to +95C |
| Package | 96-ball FBGA |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Number of Pins | 96 |
| Interface Type | Parallel |
| Refresh | 8K / 64 ms |
| Burst Length | 8, 4 (fixed) |
K4B4G1646E-BCNB Pin Configuration
| Pin A1 | VDD — Power supply (1.35V) |
| Pin A2 | DQ0 — Data I/O 0 |
| Pin A3 | DQ1 — Data I/O 1 |
| Pin B1 | VSS — Ground |
| Pin B2 | DQ2 — Data I/O 2 |
| Pin B3 | DQ3 — Data I/O 3 |
| Pin C1 | VDDQ — DQ power supply |
| Pin C2 | DQS0 — Data strobe 0 (positive) |
| Pin C3 | DQS0# — Data strobe 0 (negative) |
| Pin D1 | VSS — Ground |
| Pin D2 | CLK — Clock input |
| Pin D3 | CLK# — Complementary clock input |
| Pin E1 | CKE — Clock enable |
| Pin E2 | CS# — Chip select |
| Pin E3 | RAS# — Row address strobe |
| Pin F1 | CAS# — Column address strobe |
| Pin F2 | WE# — Write enable |
| Pin F3 | BA0 — Bank address 0 |
| Pin G1 | BA1 — Bank address 1 |
| Pin G2 | A0 — Address input 0 |
| Pin G3 | A1 — Address input 1 |
Typical Applications
K4B4G1646E-BCNB is suitable for 6 applications: Mobile Computing, Embedded Systems, Networking Equipment, Consumer Electronics, Automotive Infotainment, Industrial Automation.
Mobile Computing
Used in laptops and tablets for main memory with low power consumption.
Embedded Systems
Ideal for industrial single-board computers and IoT gateways.
Networking Equipment
Used in routers, switches, and network appliances for packet buffering.
Consumer Electronics
Found in smart TVs, set-top boxes, and gaming consoles.
Automotive Infotainment
Used in car infotainment systems and navigation units.
Industrial Automation
Deployed in PLCs and HMI panels for data logging and display.
