Details

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BUY TC514256AJ-70 https://www.utsource.net/itm/p/12615092.html

Parameter	Description	Value	Unit
Part Number	Component Identifier	TC514256AJ-70	-
Type	Device Type	DDR3 SDRAM	-
Capacity	Storage Capacity	256	Mbit
Organization	Memory Organization	32M x 8	-
Voltage	Operating Voltage	1.35	V
Speed	Data Rate	1600	MT/s
CAS Latency	Column Address Strobe Latency	11	-
Package	Physical Package	BGA	-
Pin Count	Number of Pins	78	-
Operating Temperature	Temperature Range	-40 to +85	掳C
RoHS Compliance	Environmental Standard	Yes	-

Instructions for Use:

1. Power Supply:

   • Ensure the operating voltage is set to 1.35V.
   • Use appropriate decoupling capacitors to stabilize the power supply.

2. Signal Integrity:

   • Use controlled impedance traces for data lines, address lines, and control signals.
   • Terminate high-speed signals with appropriate termination resistors to prevent reflections.

3. Initialization:

   • Follow the initialization sequence specified in the DDR3 SDRAM specification.
   • Set the Mode Register (MR) to configure the device according to your system requirements.

4. Timing Parameters:

   • Adhere to the timing parameters specified in the datasheet, including tRCD, tRP, tRAS, and tRC.
   • Ensure that the CAS latency (CL) is set to 11 for optimal performance.

5. Thermal Management:

   • Provide adequate cooling to maintain the operating temperature within the range of -40掳C to +85掳C.
   • Consider using heat sinks or thermal vias if necessary.

6. Layout Guidelines:

   • Place the memory device as close as possible to the controller to minimize trace lengths.
   • Route differential pairs together and maintain equal lengths to reduce skew.

7. Testing and Validation:

   • Perform thorough testing to ensure reliable operation under all conditions.
   • Validate the memory configuration and timing settings using memory test patterns and diagnostic tools.

(For reference only)