Details

---

BUY MT48LC16M16A2-7E https://www.utsource.net/itm/p/4906738.html

Parameter	Description	Value	Unit
Device Type	Type of Memory Device	16M x 16-bit SDRAM	-
Organization	Internal Memory Organization	2M x 8 banks x 16 bits	-
Supply Voltage (Vcc)	Operating Supply Voltage	3.3	V
Supply Voltage (Vccq)	I/O Supply Voltage	3.3	V
Operating Temperature	Industrial Temperature Range	-40 to +85	°C
Access Time (tAC)	Access Time from Clock Edge	7	ns
Cycle Time (tRC)	Row Cycle Time	60	ns
Row Precharge Time (tRP)	Row Precharge Time	20	ns
Row Active to Row Active (tRRD)	Row Active to Row Active Delay	12	ns
Write Recovery Time (tWR)	Write Recovery Time	15	ns
Data Output Enable Time (tOE)	Data Output Enable Time	3	ns
Data Output Disable Time (tOH)	Data Output Disable Time	3	ns
Data Input Setup Time (tIS)	Data Input Setup Time	2	ns
Data Input Hold Time (tIH)	Data Input Hold Time	0.5	ns
Clock to Data Valid (tAC)	Clock to Data Valid Time	7	ns
Power Consumption (Active)	Power Consumption in Active Mode	1.2	W
Power Consumption (Standby)	Power Consumption in Standby Mode	0.05	W
Package Type	Package Type	54-pin TSOP II	-

Instructions for Use

1. Power Supply:

   • Connect Vcc and Vccq to a stable 3.3V power supply.
   • Ensure that the power supply is clean and free from noise to avoid data corruption.

2. Signal Connections:

   • Connect the clock (CLK) signal to the device to synchronize operations.
   • Connect the control signals (CS#, RAS#, CAS#, WE#) as per the timing requirements.
   • Connect the address lines (A0-A12) and data lines (DQ0-DQ15) to the appropriate system bus.

3. Initialization:

   • Perform a power-on reset by asserting the reset signal (RESET#) for at least 100 ns.
   • Initialize the SDRAM by performing a mode register set (MRS) command to configure the device.

4. Operation:

   • Use the row address strobe (RAS#), column address strobe (CAS#), and write enable (WE#) signals to perform read and write operations.
   • Ensure that the access time (tAC) and cycle time (tRC) are respected to avoid data corruption.
   • Precharge the row before activating a new row to ensure proper operation.

5. Power Management:

   • To enter standby mode, deassert the chip select (CS#) signal.
   • To exit standby mode, reassert the CS# signal and perform a refresh cycle.

6. Refresh:

   • Perform a refresh cycle every 64 ms to maintain data integrity.
   • Use the auto-refresh (AR) command to simplify the refresh process.

7. Termination:

   • Use proper termination on the data lines to minimize reflections and improve signal integrity.
   • Terminate the clock line with a resistor to match the characteristic impedance of the trace.

8. Handling:

   • Handle the device with care to avoid static damage.
   • Store the device in an anti-static bag when not in use.

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

(For reference only)