Details

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BUY K4S643232F-TC60 https://www.utsource.net/itm/p/12608522.html

Parameter	Description	Value	Unit
Device Type	32M x 16 Synchronous DRAM
Package	56-TSOP II
Supply Voltage (Vcc)	Operating supply voltage	2.5 - 3.6	V
I/O Voltage (Vccq)	Input/Output supply voltage	2.5 - 3.6	V
Data Width	Data bus width	16	bits
Capacity	Total memory capacity	64 Mbit
Access Time	Random access time	60	ns
Burst Length	Number of consecutive accesses	1, 2, 4, or 8
CAS Latency	Column Address Strobe latency	3, 4	clocks
Refresh Rate	Refresh cycle	8K or 16K refresh cycles
Operating Temperature	Temperature range for operation	-40 to +85	掳C
Storage Temperature	Temperature range for storage	-55 to +125	掳C

Instructions for Use

1. Power Supply Connections:

   • Connect Vcc to the specified operating voltage (2.5 - 3.6V).
   • Connect Vccq to the specified I/O voltage (2.5 - 3.6V).

2. Signal Definitions:

   • Ensure all signals are properly connected according to the datasheet pinout diagram.
   • Pay special attention to control signals such as RAS#, CAS#, WE#, and CKE.

3. Initialization Sequence:

   • Perform a reset or precharge all command upon power-up.
   • Follow with a mode register set command to configure burst length, CAS latency, etc.

4. Memory Access:

   • For read/write operations, provide valid row and column addresses.
   • Respect the timing parameters like access time and CAS latency.

5. Refresh Management:

   • Implement periodic refresh cycles as specified by the refresh rate (8K or 16K cycles).

6. Thermal Considerations:

   • Operate within the specified temperature ranges to ensure reliability.
   • Provide adequate cooling if operating near the upper temperature limit.

7. Handling Precautions:

   • Handle the device with care to avoid electrostatic discharge (ESD).
   • Follow proper soldering procedures to prevent damage during assembly.

(For reference only)