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Specifications
SKU: 11243294
| Parameter | Description | Value |
|---|---|---|
| Device Type | Flash Memory | W27C512P-45Z |
| Memory Size | Total Memory Capacity | 512 Kbit (64 KBytes) |
| Organization | Memory Organization | 64K x 8 |
| Voltage Supply (Vcc) | Operating Voltage Range | 2.7V to 3.6V |
| Data Retention | Data Retention Time | 10 years at 85°C, 100 years at 25°C |
| Programming Voltage (Vpp) | Programming Voltage | Not Required (Single Supply) |
| Programming Time | Typical Programming Time | 10 μs per byte |
| Erase Time | Typical Erase Time | 10 ms for 64K bytes |
| Write Cycles | Endurance | 100,000 write/erase cycles |
| Operating Temperature | Industrial Temperature Range | -40°C to +85°C |
| Storage Temperature | Storage Temperature Range | -65°C to +150°C |
| Package Type | Package | 28-pin SOP (Small Outline Package) |
| Pin Pitch | Pin Pitch | 0.635 mm (25 mils) |
| Access Time | Access Time | 45 ns (max) |
| Standby Current | Standby Current (Vcc = 3.0V) | 1 μA (max) |
| Active Current | Active Current (Vcc = 3.0V) | 10 mA (max) |
Instructions:
Power Supply:
- Ensure the Vcc supply voltage is within the specified range of 2.7V to 3.6V.
- Connect the Vss pin to ground.
Addressing:
- The device has 16 address lines (A0-A15) to select the memory location.
Data Input/Output:
- Use the 8 data lines (D0-D7) for reading from or writing to the memory.
Control Signals:
- Chip Enable (CE#): Low to enable the device.
- Output Enable (OE#): Low to read data from the memory.
- Write Enable (WE#): Low to initiate a write operation.
- Program Enable (PGM#): Low to enter programming mode (not required for single supply devices).
Programming:
- To program a byte, set CE#, OE#, and PGM# high, then bring WE# low while holding the address and data lines stable.
- Hold WE# low for at least 10 μs to ensure the byte is programmed correctly.
Erasing:
- To erase the entire chip, set CE# and PGM# low, and hold them low for at least 10 ms.
Reading:
- To read a byte, set CE# and OE# low, and provide the desired address on A0-A15. The data will be available on D0-D7 after the access time.
Standby Mode:
- To put the device into standby mode, set CE# high. This reduces power consumption to the standby current level.
Handling Precautions:
- Handle the device with care to avoid static discharge, which can damage the internal circuitry.
- Store the device in a dry environment to prevent moisture damage.
Package Marking:
- The device is marked with the part number "W27C512P-45Z" and may include additional manufacturing information.
Inquiry - W27C512P-45Z
