Cypress CY7B992 manual Ordering Information, Accuracy Ordering Code Package Type Operating Range

Page 16

CY7B991

CY7B992

Ordering Information

Accuracy

Ordering Code

Package Type

Operating

(ps)

Range

 

 

250

CY7B991–2JC

32-Pb Plastic Leaded Chip Carrier

Commercial

 

 

 

 

 

CY7B991–2JCT

32-Pb Plastic Leaded Chip Carrier - Tape and Reel

Commercial

 

 

 

 

500

CY7B991–5JC

32-Pb Plastic Leaded Chip Carrier

Commercial

 

 

 

 

 

CY7B991–5JCT

32-Pb Plastic Leaded Chip Carrier - Tape and Reel

Commercial

 

 

 

 

 

CY7B991–5JI

32-Pb Plastic Leaded Chip Carrier

Industrial

 

 

 

 

 

CY7B991–5JIT

32-Pb Plastic Leaded Chip Carrier - Tape and Reel

Industrial

 

 

 

 

750

CY7B991–7JC

32-Pb Plastic Leaded Chip Carrier

Commercial

 

 

 

 

 

CY7B991–7JCT

32-Pb Plastic Leaded Chip Carrier - Tape and Reel

Commercial

 

 

 

 

 

CY7B991–7JI

32-Pb Plastic Leaded Chip Carrier

Industrial

 

CY7B991–7LMB[27]

32-Pin Rectangular Leadless Chip Carrier

Military

250

CY7B992–2JC

32-Pb Plastic Leaded Chip Carrier

Commercial

 

 

 

 

 

CY7B992–2JCT

32-Pb Plastic Leaded Chip Carrier - Tape and Reel

Commercial

 

 

 

 

500

CY7B992–5JC

32-Pb Plastic Leaded Chip Carrier

Commercial

 

 

 

 

 

CY7B992–5JCT

32-Pb Plastic Leaded Chip Carrier - Tape and Reel

Commercial

 

CY7B992–5JI[27]

32-Pb Plastic Leaded Chip Carrier

Industrial

 

CY7B992–5JIT

32-Pb Plastic Leaded Chip Carrier - Tape and Reel

Industrial

 

 

 

 

750

CY7B992–7JC

32-Pb Plastic Leaded Chip Carrier

Commercial

 

 

 

 

 

CY7B992–7JCT

32-Pb Plastic Leaded Chip Carrier - Tape and Reel

Commercial

 

 

 

 

 

CY7B992–7JI

32-Pb Plastic Leaded Chip Carrier

Industrial

 

CY7B992–7LMB[27]

32-Pin Rectangular Leadless Chip Carrier

Military

Pb-Free

 

 

 

250

CY7B991–2JXC

32-Pb Plastic Leaded Chip Carrier

Commercial

 

 

 

 

 

CY7B991–2JXCT

32-Pb Plastic Leaded Chip Carrier - Tape and Reel

Commercial

 

 

 

 

500

CY7B991–5JXC

32-Pb Plastic Leaded Chip Carrier

Commercial

 

 

 

 

 

CY7B991–5JXCT

32-Pb Plastic Leaded Chip Carrier - Tape and Reel

Commercial

 

 

 

 

 

CY7B991–5JXI

32-Pb Plastic Leaded Chip Carrier

Industrial

 

 

 

 

 

CY7B991–5JXIT

32-Pb Plastic Leaded Chip Carrier - Tape and Reel

Industrial

 

 

 

 

750

CY7B991–7JXC

32-Pb Plastic Leaded Chip Carrier

Commercial

 

 

 

 

 

CY7B991–7JXCT

32-Pb Plastic Leaded Chip Carrier - Tape and Reel

Commercial

 

 

 

 

500

CY7B992–5JXI

32-Pb Plastic Leaded Chip Carrier

Industrial

 

 

 

 

 

CY7B992–5JXIT

32-Pb Plastic Leaded Chip Carrier - Tape and Reel

Industrial

 

 

 

 

Note

27. Not recommended for the new design.

Document Number: 38-07138 Rev. *B

Page 16 of 19

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Contents Features Logic Block DiagramFunctional Description Cypress Semiconductor Corporation 198 Champion CourtSignal Name Description Pin ConfigurationPin Definitions Block Diagram Description Test Mode Typical Outputs with FB Connected to a Zero-Skew OutputOperating Range Maximum RatingsAmbient Range Electrical Characteristics Capacitance AC Test Loads and WaveformsParameter Description Test Conditions Input Capacitance = 25 C, f = 1 MHz, V CC =Switching Characteristics Over the Operating Range2 Parameter Description Min Typ Max UnitPropagation Delay, REF Rise to FB Rise Over the Operating Range2CY7B991-5 CY7B992-5 Parameter Description Unit Min Typ Max Zero Output Skew All Outputs 16Switching Characteristics CY7B991-7 CY7B992-7 Parameter Description Unit Min Typ Max+0.7 +1.5AC Timing Diagrams Operational Mode Descriptions Programmable Skew Clock DriverInverted Output Connections Multi-Function Clock Driver Board-to-Board Clock Distribution Accuracy Ordering Code Package Type Operating Range Ordering InformationPb-Free Military Specifications DC CharacteristicsPackage Diagrams SubgroupsPin Rectangular Leadless Chip Carrier Issue Date Orig. Description of Change Document History

CY7B991, CY7B992 specifications

The Cypress CY7B992 and CY7B991 are advanced synchronous SRAM devices designed for high-speed applications, particularly in the field of telecommunications, networking, and high-performance computing. These SRAMs are notable for their ability to operate at high frequencies, making them suitable for systems that require rapid data access and processing.

One of the main features of the CY7B992 and CY7B991 is their support for synchronous operation, which allows for data transfers aligned with a clock signal. This capability significantly enhances performance by reducing access times and increasing data throughput compared to traditional asynchronous SRAMs. With their optimized write and read cycles, these devices can achieve low latency, enabling efficient data handling in real-time applications.

Another key technology utilized in these devices is the use of a 2-port architecture, which supports simultaneous read and write operations. This dual-port design allows for greater flexibility and efficiency in data management, making it easier to implement complex memory architectures in various applications. The architecture also supports burst mode operation, allowing for rapid sequential data access, which is crucial in environments where speed is paramount.

The CY7B992 and CY7B991 feature a wide data bus width, accommodating 32 bits to suit modern data processing needs. Their compact size and ease of integration into existing systems make them popular choices among designers and engineers. Moreover, these SRAMs offer a comprehensive range of voltage and temperature specifications, ensuring reliable performance across diverse operating conditions.

In terms of power management, the CY7B992 and CY7B991 are designed to consume low power while maintaining high performance, making them ideal for battery-operated or energy-sensitive applications. The devices include various power-saving features, such as power-down modes, enabling users to reduce overall system power consumption when the memory is not actively in use.

Overall, the Cypress CY7B992 and CY7B991 are robust, high-speed SRAM solutions that cater to the demands of sophisticated, data-intensive applications. Their synchronous operation, dual-port architecture, and efficient power management characteristics make them essential components in modern electronic systems. As technology continues to evolve, these SRAMs are poised to play a critical role in advancing the capabilities of next-generation devices.