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CY7C421-30JC from CY,Cypress

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15.625ms

CY7C421-30JC

Manufacturer: CY

512 x 9 asynchronous FIFO, 30 ns

Partnumber Manufacturer Quantity Availability
CY7C421-30JC,CY7C42130JC CY 437 In Stock

Description and Introduction

512 x 9 asynchronous FIFO, 30 ns The CY7C421-30JC is a high-speed, low-power 4K x 9 FIFO (First-In, First-Out) memory device manufactured by Cypress Semiconductor (now Infineon Technologies). Here are its key specifications:

- **Organization**: 4K x 9 (4,096 words x 9 bits)  
- **Speed**: 30 ns access time (30JC speed grade)  
- **Operating Voltage**: 5V ±10%  
- **Power Consumption**:  
  - Active: 275 mW (typical)  
  - Standby: 27.5 mW (typical)  
- **Operating Temperature Range**: 0°C to +70°C (commercial grade)  
- **Package**: 32-pin PLCC (Plastic Leaded Chip Carrier)  
- **I/O Type**: TTL-compatible  
- **Features**:  
  - Asynchronous read and write operations  
  - Retransmit capability  
  - Programmable Almost Full/Almost Empty flags  
  - Output Enable (OE) pin for three-state outputs  
  - Master Reset (MR) for clearing FIFO  

This device is designed for high-speed data buffering applications.

Partnumber Manufacturer Quantity Availability
CY7C421-30JC,CY7C42130JC CYPRESS 38 In Stock

Description and Introduction

512 x 9 asynchronous FIFO, 30 ns The CY7C421-30JC is a high-speed CMOS FIFO (First-In, First-Out) memory device manufactured by Cypress Semiconductor. Below are its key specifications:

1. **Memory Size**: 4,096 x 9 bits (4K x 9).
2. **Speed**: 30 ns access time (30JC speed grade).
3. **Operating Voltage**: 5V ±10%.
4. **Power Consumption**: Low power CMOS technology.
5. **Package**: 32-pin PLCC (Plastic Leaded Chip Carrier).
6. **Operating Temperature Range**: Commercial (0°C to +70°C).
7. **I/O Compatibility**: TTL-compatible inputs and outputs.
8. **Features**:
   - Asynchronous FIFO operation.
   - Retransmit capability.
   - Programmable Almost Full/Almost Empty flags.
   - Independent read and write clocks.
   - Supports depth expansion.
9. **Applications**: Data buffering, rate matching, and interfacing between asynchronous systems.

For detailed electrical characteristics and timing diagrams, refer to the official Cypress datasheet.

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