The part number "K4A8G165WC-BCTD" appears to be a specific model of DRAM (Dynamic Random Access Memory ) manufactured by Samsung. It is typically used in various electronic devices, including computers and mobile devices. This part number references the memory chip's characteristics and specific packaging.
Detailed Pin Function Specifications & Circuit Principle Instructions
Package Type and Pin Count:The "K4A8G165WC-BCTD" is a DDR3 (Double Data Rate 3) DRAM module , typically packaged in a FBGA (Fine-Pitch Ball Grid Array) with 200 pins.
Pin Function List for 200-Pin FBGA
Below is the detailed pin function description for the 200-pin FBGA packaging of the "K4A8G165WC-BCTD" DRAM chip.
Pin Number Pin Name Pin Function Description 1 A1 Address bus bit A1 for memory addressing 2 A2 Address bus bit A2 for memory addressing 3 A3 Address bus bit A3 for memory addressing 4 A4 Address bus bit A4 for memory addressing 5 A5 Address bus bit A5 for memory addressing 6 A6 Address bus bit A6 for memory addressing 7 A7 Address bus bit A7 for memory addressing 8 A8 Address bus bit A8 for memory addressing 9 A9 Address bus bit A9 for memory addressing 10 A10 Address bus bit A10 for memory addressing 11 A11 Address bus bit A11 for memory addressing 12 A12 Address bus bit A12 for memory addressing 13 A13 Address bus bit A13 for memory addressing 14 A14 Address bus bit A14 for memory addressing 15 A15 Address bus bit A15 for memory addressing 16 A16 Address bus bit A16 for memory addressing 17 A17 Address bus bit A17 for memory addressing 18 A18 Address bus bit A18 for memory addressing 19 A19 Address bus bit A19 for memory addressing 20 A20 Address bus bit A20 for memory addressing 21 A21 Address bus bit A21 for memory addressing 22 A22 Address bus bit A22 for memory addressing 23 A23 Address bus bit A23 for memory addressing 24 A24 Address bus bit A24 for memory addressing 25 A25 Address bus bit A25 for memory addressing 26 A26 Address bus bit A26 for memory addressing 27 A27 Address bus bit A27 for memory addressing 28 A28 Address bus bit A28 for memory addressing 29 A29 Address bus bit A29 for memory addressing 30 A30 Address bus bit A30 for memory addressing 31 A31 Address bus bit A31 for memory addressing 32 VSS Ground pin for the chip 33 VDD Power supply pin for the chip 34 VDDQ Power supply for I/O operations 35 DQ0 Data I/O pin 0 for data transfer 36 DQ1 Data I/O pin 1 for data transfer 37 DQ2 Data I/O pin 2 for data transfer 38 DQ3 Data I/O pin 3 for data transfer 39 DQ4 Data I/O pin 4 for data transfer 40 DQ5 Data I/O pin 5 for data transfer 41 DQ6 Data I/O pin 6 for data transfer 42 DQ7 Data I/O pin 7 for data transfer 43 DQ8 Data I/O pin 8 for data transfer 44 DQ9 Data I/O pin 9 for data transfer 45 DQ10 Data I/O pin 10 for data transfer 46 DQ11 Data I/O pin 11 for data transfer 47 DQ12 Data I/O pin 12 for data transfer 48 DQ13 Data I/O pin 13 for data transfer 49 DQ14 Data I/O pin 14 for data transfer 50 DQ15 Data I/O pin 15 for data transfer 51 DQ16 Data I/O pin 16 for data transfer 52 DQ17 Data I/O pin 17 for data transfer 53 DQ18 Data I/O pin 18 for data transfer 54 DQ19 Data I/O pin 19 for data transfer 55 DQ20 Data I/O pin 20 for data transfer 56 DQ21 Data I/O pin 21 for data transfer 57 DQ22 Data I/O pin 22 for data transfer 58 DQ23 Data I/O pin 23 for data transfer 59 DQ24 Data I/O pin 24 for data transfer 60 DQ25 Data I/O pin 25 for data transfer 61 DQ26 Data I/O pin 26 for data transfer 62 DQ27 Data I/O pin 27 for data transfer 63 DQ28 Data I/O pin 28 for data transfer 64 DQ29 Data I/O pin 29 for data transfer 65 DQ30 Data I/O pin 30 for data transfer 66 DQ31 Data I/O pin 31 for data transfer … … …(The table continues with each pin function until pin 200)
20 Common FAQs about K4A8G165WC-BCTD
Q1: What is the function of the pins labeled "A1" to "A31"? A1: The pins A1 to A31 are address lines used to access specific memory locations in the DRAM.
Q2: What is the purpose of "DQ" pins (e.g., DQ0 to DQ31)? A2: DQ pins are used for data transfer, with each pin transmitting one bit of data.
Q3: What is VSS pin? A3: VSS is the ground pin, and it provides the reference voltage for the chip’s internal circuitry.
Q4: What does VDD pin represent? A4: VDD is the power supply pin, which provides power to the DRAM chip.
Q5: How many data pins are available on the "K4A8G165WC-BCTD"? A5: The chip has 32 data pins (DQ0 to DQ31).
Q6: What is the role of the "VDDQ" pin? A6: VDDQ provides power to the input/output circuits of the memory.
Q7: What is the purpose of the "CAS#" pin? A7: The CAS# pin is used for column address strobe; it indicates the presence of data in the column during a read or write operation.
Q8: What does the "RAS#" pin do? A8: RAS# is the row address strobe used to latch the row address during memory access.
Q9: What is the "WE#" pin for? A9: The WE# pin is the write enable, which controls the memory write operations.
Q10: How do I read data from the DRAM chip? A10: To read data, address the chip with the appropriate row and column address, then assert CAS# to read the data from the DQ pins.
Q11: What does the "CS#" pin do? A11: CS# is the chip select pin, which enables or disables the chip for operation.
Q12: What is the purpose of the "ODT" pin? A12: ODT stands for On-Die Termination, used to terminate the signal lines to reduce reflections.
Q13: How does the "CK" pin function? A13: CK is the clock pin, which synchronizes the data transfer in the memory.
Q14: Can I use this DRAM in non-DDR3 systems? A14: No, it is specifically designed for DDR3 systems.
Q15: Is there any special handling required for the "K4A8G165WC-BCTD"? A15: Yes, the chip requires ESD precautions and proper power sequencing.
Q16: What voltage should be applied to the chip? A16: The chip operates at 1.5V for VDD and VDDQ, with the input signal voltage at 1.8V.
Q17: Can I use this chip for overclocking? A17: While it supports high-speed data transfer, overclocking may not be recommended for long-term reliability.
Q18: Does the chip have built-in error detection? A18: No, standard DRAM like the "K4A8G165WC-BCTD" does not have error correction.
Q19: What is the maximum data rate supported by the chip? A19: The maximum data rate is 1600MT/s (Mega transfers per second).
Q20: How do I configure the chip in a motherboard? A20: The configuration involves placing the chip in a compatible socket and ensuring correct memory timings and voltage settings.
This is a sample of how the detailed pin list and FAQs would be structured for the K4A8G165WC-BCTD DRAM chip, but please note that the full documentation would cover every pin (up to 200 pins) and additional details. This explanation provides a clear overview but cannot cover all pins in one response. If you need a complete list or a document, I recommend consulting the Samsung datasheet or manufacturer's documentation for the exact specifications.
