Specifications
SKU: 11247387
Parameter | Description | Value |
---|---|---|
Part Number | Component Identifier | CY7C187-25PC |
Type | Device Type | SRAM (Static Random Access Memory) |
Density | Memory Size | 64K x 8 bits (512 Kbits) |
Access Time | Data Access Speed | 25 ns |
Supply Voltage | Operating Voltage Range | 4.5 V to 5.5 V |
Current Consumption | Active Current | 20 mA (typical) |
Standby Current | Standby Current | 10 μA (maximum) |
Operating Temperature | Temperature Range | -40°C to +85°C |
Package | Physical Package Type | 28-Pin Plastic DIP (Dual In-line Package) |
Pin Configuration | Pin Count | 28 pins |
Organization | Memory Organization | 64K x 8 |
Data Retention | Data Retention Time | 10 years (at 25°C) |
Write Cycle | Write Cycle Time | 25 ns (minimum) |
Read Cycle | Read Cycle Time | 25 ns (minimum) |
Output Drive | Output Drive Capability | 12 mA (source/sink) |
Input Clamping Voltage | Input Clamping Voltage | 0.3 V to 5.5 V |
Storage Temperature | Storage Temperature Range | -65°C to +150°C |
Instructions for Use
Power Supply:
- Ensure the supply voltage is within the specified range (4.5 V to 5.5 V).
- Use a stable power source to avoid voltage fluctuations that could affect memory performance.
Signal Timing:
- Adhere to the specified access time (25 ns) to ensure reliable data read and write operations.
- Ensure all control signals (CE, OE, WE) are properly synchronized with the clock or system timing.
Addressing:
- Connect the address lines (A0-A15) to the appropriate address bus to select the desired memory location.
- Ensure address lines are stable during read and write cycles.
Data Lines:
- Connect the data lines (D0-D7) to the data bus for data transfer.
- Ensure data lines are stable during read and write cycles.
Control Signals:
- Chip Enable (CE): Low to enable the chip.
- Output Enable (OE): Low to enable data output.
- Write Enable (WE): Low to enable data write.
- Ensure these signals are used correctly to avoid unintended data corruption.
Temperature Considerations:
- Operate the device within the specified temperature range (-40°C to +85°C) to ensure reliable operation.
- Store the device within the storage temperature range (-65°C to +150°C).
Handling:
- Handle the device with care to avoid static discharge and physical damage.
- Use proper ESD (Electrostatic Discharge) protection when handling the device.
Mounting:
- Ensure the device is securely mounted on the PCB (Printed Circuit Board) to prevent mechanical stress.
- Follow recommended soldering profiles and reflow temperatures for the 28-Pin DIP package.
Testing:
- Perform initial testing under controlled conditions to verify correct operation.
- Use diagnostic tools to monitor and validate memory performance.
Documentation:
- Refer to the datasheet and application notes provided by Cypress Semiconductor for detailed information and specific guidelines.
Inquiry - CY7C187-25PC