Cypress CY7C292A, CY7C291A manual CY7C293A-30DMB

Page 11

 

 

 

 

 

 

 

CY7C291A

 

 

 

 

 

 

CY7C292A/CY7C293A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ordering Information[9] (Continued)

 

 

 

 

 

 

 

 

 

 

 

 

 

Speed

ICC

Ordering Code

 

Package

Package Type

Operating

 

(ns)

(mA)

 

Name

Range

 

 

 

 

 

 

 

 

 

30

120

CY7C293A-30DMB

 

D14

24-Lead (300-Mil) CerDIP

Military

 

 

 

 

 

 

 

 

 

 

 

CY7C293A-30LMB

 

L64

28-Square Leadless Chip Carrier

 

 

 

 

 

 

 

 

 

 

 

 

CY7C293A-30QMB

 

Q64

28-Pin Windowed Leadless Chip Carrier

 

 

 

 

 

 

 

 

 

 

 

 

CY7C293A-30WMB

 

W14

24-Lead (300-Mil) Windowed CerDIP

 

 

 

 

 

 

 

 

 

 

35

60

CY7C293AL-35PC

 

P13

24-Lead (300-Mil) Molded DIP

Commercial

 

 

 

 

 

 

 

 

 

 

 

CY7C293AL-35WC

 

W14

24-Lead (300-Mil) Windowed CerDIP

 

 

 

 

 

 

 

 

 

 

 

90

CY7C293A-35PC

 

P13

24-Lead (300-Mil) Molded DIP

Commercial

 

 

 

 

 

 

 

 

 

 

 

CY7C293A-35WC

 

W14

24-Lead (300-Mil) Windowed CerDIP

 

 

 

 

 

 

 

 

 

 

 

90

CY7C293A-35DMB

 

D14

24-Lead (300-Mil) CerDIP

Military

 

 

 

 

 

 

 

 

 

 

 

CY7C293A-35LMB

 

L64

28-Square Leadless Chip Carrier

 

 

 

 

 

 

 

 

 

 

 

 

CY7C293A-35QMB

 

Q64

28-Pin Windowed Leadless Chip Carrier

 

 

 

 

 

 

 

 

 

 

 

 

CY7C293A-35WMB

 

W14

24-Lead (300-Mil) Windowed CerDIP

 

 

 

 

 

 

 

 

 

 

50

60

CY7C293AL-50PC

 

P13

24-Lead (300-Mil) Molded DIP

Commercial

 

 

 

 

 

 

 

 

 

 

 

CY7C293AL-50WC

 

W14

24-Lead (300-Mil) Windowed CerDIP

 

 

 

 

 

 

 

 

 

 

 

90

CY7C293A-50PC

 

P13

24-Lead (300-Mil) Molded DIP

Commercial

 

 

 

 

 

 

 

 

 

 

 

CY7C293A-50WC

 

W14

24-Lead (300-Mil) Windowed CerDIP

 

 

 

 

 

 

 

 

 

 

 

90

CY7C293A-50DMB

 

D14

24-Lead (300-Mil) CerDIP

Military

 

 

 

 

 

 

 

 

 

 

 

CY7C293A-50LMB

 

L64

28-Square Leadless Chip Carrier

 

 

 

 

 

 

 

 

 

 

 

 

CY7C293A-50QMB

 

Q64

28-Pin Windowed Leadless Chip Carrier

 

 

 

 

 

 

 

 

 

 

 

 

CY7C293A-50WMB

 

W14

24-Lead (300-Mil) Windowed CerDIP

 

 

 

 

 

 

 

 

 

 

 

11

Image 11
Contents Functional Description FeaturesLogic Block Diagram Operating Range Selection GuideMaximum Ratings CY7C291A Parameter Description Test Conditions Max Unit Capacitance4AC Test Loads and Waveforms4 Switching Characteristics Over the Operating Range3Programming Information Erasure CharacteristicsProgramming Pinouts Typical DC and AC CharacteristicsOrdering Code Package Package Type Operating Ordering Information9Speed Package Type Operating Ordering CodeCY7C291AL-50JC CY7C293A-30DMB SMD Cross Reference DC CharacteristicsSwitching Characteristics Lead 300-Mil CerDIP D14 Package DiagramsLead 600-Mil CerDIP D12 Square Leadless ChipCarrier L64 Lead 600-Mil Molded DIP P11 Lead 300-Mil Molded DIP P13/P13A Lead 300-Mil Molded Soic S13 Pin Windowed Leadless Chip Carrier Q64Lead Windowed Cerpack T73 Lead 300-Mil Windowed CerDIP W14

CY7C291A, CY7C292A, CY7C293A specifications

The Cypress CY7C293A, CY7C292A, and CY7C291A are high-performance static random-access memory (SRAM) devices designed for various applications requiring fast access and low power consumption. These memory chips are particularly suitable for use in telecommunications, networking, industrial, automotive, and consumer electronics.

One key feature of the CY7C293A model is its 2 megabit capacity, which offers a vast storage solution for applications needing quick read and write capabilities. The CY7C292A and CY7C291A, on the other hand, provide 1 megabit and 256 kilobits, respectively, catering to a range of memory needs. The devices utilize a 16-bit organization, optimally balancing capacity and access speed.

A standout technology is the use of a fast access time, with the CY7C293A achieving speeds of up to 12 nanoseconds. This rapid access capability significantly enhances the performance of systems that depend on swift data retrieval. The SRAM devices are built using Cypress’s unique CMOS technology, which not only supports a dense manufacturing process but also ensures low power consumption. The standby current is minimal, making these chips suitable for battery-powered applications where energy efficiency is critical.

The packaging options available for the CY7C293A, CY7C292A, and CY7C291A include various forms such as 28-pin DIP and 32-pin TSOP, allowing for ease of integration into different circuit layouts. The devices feature an asynchronous operation, providing straightforward interfacing with no need for external clocks, which simplifies system design.

In terms of reliability, these SRAMs are equipped with robust features that ensure data integrity and stability. They offer a wide operating voltage range, typically from 4.5V to 5.5V, accommodating different power supply configurations. Furthermore, the chips are designed to withstand multiple read/write cycles, making them ideal for applications that demand frequent data manipulation.

Overall, the Cypress CY7C293A, CY7C292A, and CY7C291A SRAM devices represent a versatile memory solution that combines speed, efficiency, and reliability, making them a favored choice for engineers and designers working across various technological domains. Their adaptability to different applications ensures that they remain relevant in the rapidly evolving landscape of electronics and memory technology.