CY7C331-25WC - Brand New Cypress Semiconductor IC Chips
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Description
The CY7C331-25WC is a first-in-first-out (FIFO) memory chip that belongs to the CY7C419 series. The chip is designed to operate as an asynchronous buffer memory, available in 600-mil wide and 300-mil wide packages. It comes in multiple configurations with varying word depths ranging from 256 to 4,096 words, and each word is nine bits wide. The memory chip includes full and empty flags that prevent overrun and underrun, respectively. It also features additional pins that allow for unlimited expansion in width, depth, or both, and depth expansion technique that enables the control signals to be steered from one device to another in parallel, eliminating the serial addition of propagation delays and reducing throughput loss which dispels the need for complex synchronization circuitry.
Specifications and features
- Asynchronous first-in first-out (FIFO) buffer memory
- 256 x 9 (CY7C419)
- 512 x 9 (CY7C421)
- 1K x 9 (CY7C425)
- 2K x 9 (CY7C429)
- 4K x 9 (CY7C433)
- Dual-ported RAM cell
- 50 MHz read and write independent of depth and width
- Low operating power: ICC = 35 mA
- Empty and full flags (Half Full flag in standalone)
- TTL compatible
- Retransmit in standalone
- Expandable in width
- PLCC, 7x7 TQFP, SOJ, 300-mil, and 600-mil DIP
- Pb-free packages available
- Pin compatible and functionally equivalent to IDT7200, IDT7201, IDT7202, IDT7203, IDT7204, AM7200, AM7201, AM7202, AM7203, and AM7204
Application Scenarios
The CY7C331-25WC memory chip is widely used in applications that require a buffer memory with large storage and high throughput rates, such as data communications equipment, digital signal processing, graphics workstations, and disk/tape caching. Its expandability feature makes it suitable for applications with varying memory size requirements, and its low power consumption makes it ideal for portable devices.
Comparison
Advantages- High-speed read and write independent of depth and width
- Low operating power
- Expandable in width and depth
- Eliminates the serial addition of propagation delays, thus reducing throughput loss
Disadvantages- None identified
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Datasheet
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- Datasheet: Download CY7C331-25WC
- Chipdatas Part: CD86-CY7C331-25WC
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- Last Updated: 2024/10/01 09:06 +0800
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