Details

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BUY IS43TR16256A-15HBLI https://www.utsource.net/itm/p/11773202.html

Parameter	Description	Value
Device Type	16M x 16 (256M-bit) Synchronous DRAM	-
Package	Thin Quad Flat Pack (TQFP)	100-Pin
Operating Voltage (Vcc)	Supply Voltage	2.5V 卤 0.2V
Operating Voltage (Vccq)	I/O Supply Voltage	2.5V 卤 0.2V
Data Width	-	16 bits
Access Time (tAC)	Access Time from Clock Edge to Data Valid	15 ns (max)
Cycle Time (tRC)	Row Active to Row Active	75 ns (min)
Refresh Rate	Refresh Cycles per Second	8K (15.6 渭s)
Operating Temperature	Industrial Temperature Range	-40掳C to +85掳C
Standby Current (Icc)	Power Down Mode	20 mA (max)
Active Current (Icc)	Active Mode	120 mA (max)
Write Recovery Time (tWR)	Write Recovery Time	15 ns (min)
Precharge Time (tRP)	Row Precharge Time	20 ns (min)
Row Address Strobe (RAS) to CAS Delay (tRCD)	RAS to CAS Delay	20 ns (min)
Column Address Strobe (CAS) Latency	CAS Latency	2 cycles
Power Supply	Vcc and Vccq	2.5V 卤 0.2V

Instructions for Use:

1. Power Supply: Ensure that both Vcc and Vccq are supplied with 2.5V 卤 0.2V.
2. Initialization:
   • Apply a reset signal to initialize the device.
   • Set the mode register according to the desired operating parameters.
3. Addressing:
   • Use the row and column address lines to access the memory cells.
   • The device supports burst lengths of 2, 4, or 8.
4. Refresh:
   • Perform refresh operations at a rate of 8K cycles per second (15.6 渭s).
   • Use the auto-refresh command to simplify the process.
5. Read/Write Operations:
   • For read operations, ensure the CAS latency is set correctly.
   • For write operations, observe the write recovery time (tWR) and precharge time (tRP).
6. Power Management:
   • Use the power-down mode to reduce power consumption when the device is not in use.
   • Ensure the standby current does not exceed 20 mA.
7. Timing Parameters:
   • Adhere to the specified timing parameters to avoid data corruption and ensure reliable operation.
8. Temperature Considerations:
   • Operate the device within the industrial temperature range of -40掳C to +85掳C to maintain performance and reliability.

For detailed information and specific application notes, refer to the datasheet provided by the manufacturer.

(For reference only)