Details

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BUY HM62256BLFP-7T https://www.utsource.net/itm/p/12604814.html

Parameter	Description	Value	Unit
Device Type	Non-Volatile Static RAM (NVS-RAM)
Organization		32K x 8
Supply Voltage (VCC)	Operating Voltage Range	4.5 to 5.5	V
Standby Current (ISB)	Typical Standby Current	10	渭A
Active Current (ICC)	Typical Active Current	50	mA
Access Time (tAC)	Access Time	70	ns
Data Retention	Data Retention Time	10	years
Operating Temperature (TA)	Operating Temperature Range	-40 to +85	掳C
Package Type	Package	PLCC-32
Pin Configuration	Pin Count	32
Write Cycle Time (tWC)	Write Cycle Time	70	ns
Read Cycle Time (tRC)	Read Cycle Time	70	ns
Address Lines	Number of Address Lines	15
Data Lines	Number of Data Lines	8
Control Lines	Chip Select (CS), Output Enable (OE), Write Enable (WE)

Instructions for Use:

1. Power Supply:

   • Ensure that the supply voltage (VCC) is within the specified range of 4.5 to 5.5V.
   • Connect the ground (GND) pin to a stable ground reference.

2. Addressing:

   • Connect the address lines (A0-A14) to the appropriate address bus.
   • The device has 15 address lines, allowing access to 32K memory locations.

3. Data I/O:

   • Connect the data lines (D0-D7) to the data bus.
   • Data can be read from or written to the memory through these lines.

4. Control Signals:

   • Chip Select (CS): Active low. When CS is low, the device is selected and can be accessed.
   • Output Enable (OE): Active low. When OE is low, the output buffers are enabled, allowing data to be read from the device.
   • Write Enable (WE): Active low. When WE is low, data is written to the memory location specified by the address lines.

5. Timing:

   • Ensure that the access time (tAC), write cycle time (tWC), and read cycle time (tRC) are all within the specified limits of 70ns.
   • Proper timing is crucial to avoid data corruption and ensure reliable operation.

6. Standby Mode:

   • To enter standby mode, set CS high. This will reduce the current consumption to the typical standby current of 10渭A.

7. Data Retention:

   • The device retains data for up to 10 years when powered off, provided the supply voltage is removed and the device is not subjected to extreme environmental conditions.

8. Temperature Considerations:

   • Operate the device within the temperature range of -40掳C to +85掳C to ensure reliable performance.

9. Handling:

   • Handle the device with care to avoid static discharge, which can damage the internal circuits.
   • Follow standard ESD (Electrostatic Discharge) precautions during handling and installation.

10. Package:

    • The HM62256BLFP-7T is packaged in a 32-pin PLCC (Plastic Leaded Chip Carrier). Ensure that the package is properly soldered to the PCB and that all pins are securely connected.

(For reference only)