Details

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BUY KM416C256BLT-6 https://www.utsource.net/itm/p/12382902.html

Parameter	Description	Value
Device Type	High-Speed CMOS Static RAM	KM416C256BLT-6
Organization	256K x 16 bits	256K x 16
Supply Voltage (Vcc)	Operating voltage	5.0V ± 0.5V
Access Time	Maximum access time	6 ns
Cycle Time	Minimum cycle time	8 ns
Output Enable (OE)	Active low input to enable data outputs	Low
Write Enable (WE)	Active low input to initiate write operation	Low
Chip Select (CS)	Active low input to select the device	Low
Address Lines	Number of address lines	18 (A0-A17)
Data Lines	Number of data lines	16 (DQ0-DQ15)
Power Consumption	Typical power consumption at 5V, 10 MHz	150 mW
Standby Current	Maximum current in standby mode	20 μA
Operating Temperature	Range of operating temperatures	-40°C to 85°C
Package Type	Type of package	40-pin PDIP

Instructions for Use

1. Power Supply:

   • Connect Vcc to +5.0V ± 0.5V.
   • Connect Vss to ground.

2. Address Lines (A0-A17):

   • Apply the desired address to the address lines to select the memory location.

3. Data Lines (DQ0-DQ15):

   • Data is read from or written to these lines during read and write operations.

4. Control Signals:

   • Chip Select (CS): Set CS low to enable the device. When high, the device is in standby mode.
   • Write Enable (WE): Set WE low to initiate a write operation. When high, the device is in read mode.
   • Output Enable (OE): Set OE low to enable data output during a read operation. When high, the outputs are in high-impedance state.

5. Read Operation:

   • Set CS and OE low.
   • Apply the desired address to the address lines.
   • Data will be available on the data lines after the access time (6 ns).

6. Write Operation:

   • Set CS and WE low.
   • Apply the desired address to the address lines.
   • Apply the data to be written to the data lines.
   • Data will be written to the selected memory location after the access time (6 ns).

7. Cycle Time:

   • Ensure that the minimum cycle time (8 ns) is maintained between consecutive operations.

8. Temperature Considerations:

   • Operate the device within the specified temperature range (-40°C to 85°C) to ensure reliable performance.

9. Handling Precautions:

   • Handle the device with care to avoid static discharge, which can damage the sensitive components.
   • Follow proper ESD (Electrostatic Discharge) precautions when handling and installing the device.

(For reference only)