Details

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BUY K4B2G1646C-HCH9 https://www.utsource.net/itm/p/6986865.html

Parameter	Description	Specifications/Details
Device Name	K4B2G1646C-HCH9	2 Gb (256M x 8) DDR3 SDRAM
Manufacturer	Samsung
Package Type	BGA	96-ball, 0.8mm pitch, 10mm x 14mm
Operating Voltage	VDD, VDDQ	1.35V ± 0.135V
Data Width	Data Bus Width	8 bits
Bank Architecture	Bank Organization	8 Banks
Row/Column Addressing	Row and Column Address Bits	15 Row, 10 Column
CAS Latency	CAS# Latency	CL = 7, 8, 9, 10, 11, 12, 13, 14
Input/Output Standard	I/O Standard	SSTL-15
Temperature Range	Operating Temperature	Commercial: 0°C to 85°C
Speed Grade	tCK (Clock Cycle Time)	1.5 ns (667 MHz), 1.875 ns (533 MHz)
Refresh Rate	Refresh Rate	8K refresh cycles per 64ms
Power Consumption	Active Power Consumption	2.0W (Typical)
Standby Power	Standby Power Consumption	0.15W (Typical)

Instructions for Use:

1. Power Supply Requirements: Ensure that the power supply voltage (VDD, VDDQ) is set to 1.35V with a tolerance of ±0.135V. This ensures stable operation of the device.

2. Signal Integrity: Use proper PCB layout techniques to minimize signal integrity issues. Keep signal traces as short as possible and use appropriate termination resistors for differential pairs.

3. Initialization Sequence: Before performing any read/write operations, ensure the DDR3 SDRAM is properly initialized. Follow the initialization sequence as specified in the JEDEC DDR3 specification.

4. Timing Parameters: Adhere strictly to the timing parameters such as CAS latency, RAS-to-CAS delay, and refresh intervals to avoid data corruption or loss.

5. Thermal Management: Implement adequate cooling solutions if operating near the upper temperature limit to prevent overheating.

6. Testing and Validation: Perform thorough testing and validation under all expected operating conditions to ensure reliable performance.

7. Handling Precautions: Handle the device with care to avoid damage from electrostatic discharge (ESD). Use anti-static equipment when handling the component.

(For reference only)