Cypress CY7C293A, CY7C291A DC Characteristics, Switching Characteristics, SMD Cross Reference

Page 12

MILITARY SPECIFICATIONS Group A Subgroup Testing

DC Characteristics

Parameter

Subgroups

 

 

VOH

1, 2, 3

VOL

1, 2, 3

VIH

1, 2, 3

VIL

1, 2, 3

IIX

1, 2, 3

IOZ

1, 2, 3

ICC

1, 2, 3

[10]

1, 2, 3

ISB

Switching Characteristics

Parameter

Subgroups

 

 

tAA

7, 8, 9, 10, 11

[11]

7, 8, 9, 10, 11

tACS1

[10]

7, 8, 9, 10, 11

tACS2

Notes:

10.7C293A only.

11.7C291A and 7C292A only.

Document #: 38-00075-G

CY7C291A

CY7C292A/CY7C293A

SMD Cross Reference

SMD

 

Cypress

Number

Suffix

Number

 

 

 

5962-87650

01KX

CY7C291-50TMB

 

 

 

5962-87650

01LX

CY7C291-50WMB

 

 

 

5962-87650

013X

CY7C291-50QMB

 

 

 

5962-87650

03KX

CY7C291-35TMB

 

 

 

5962-87650

03LX

CY7C291-35WMB

 

 

 

5962-87650

033X

CY7C291-35QMB

 

 

 

5962-88680

01LX

CY7C293A-50WMB

 

 

 

5962-88680

01KX

CY7C293A-50TMB

 

 

 

5962-88680

013X

CY7C293A-50QMB

 

 

 

5962-88680

02LX

CY7C293A-35WMB

 

 

 

5962-88680

02KX

CY7C293A-35TMB

 

 

 

5962-88680

023X

CY7C293A-35QMB

 

 

 

5962-88680

03LX

CY7C293A-30WMB

 

 

 

5962-88680

03KX

CY7C293A-30TMB

 

 

 

5962-88680

033X

CY7C293A-30QMB

 

 

 

5962-88680

04LX

CY7C293A-25WMB

 

 

 

5962-88680

04KX

CY7C293A-25TMB

 

 

 

5962-88680

043X

CY7C293A-25QMB

 

 

 

5962-88734

02JX

CY7C292A-45DMB

 

 

 

5962-88734

02KX

CY7C291A-45KMB

 

 

 

5962-88734

02LX

CY7C291A-45DMB

 

 

 

5962-88734

023X

CY7C291A-45LMB

 

 

 

5962-88734

03JX

CY7C292A-35DMB

 

 

 

5962-88734

03KX

CY7C291A-35KMB

 

 

 

5962-88734

03LX

CY7C291A-35DMB

 

 

 

5962-88734

033X

CY7C291A-35LMB

 

 

 

5962-88734

04JX

CY7C292A-25DMB

 

 

 

5962-88734

04KX

CY7C291A-25KMB

 

 

 

5962-88734

04LX

CY7C291A-25DMB

 

 

 

5962-88734

043X

CY7C291A-25LMB

 

 

 

12

Image 12
Contents Features Logic Block DiagramFunctional Description Selection Guide Maximum RatingsOperating Range CY7C291A Capacitance4 Parameter Description Test Conditions Max UnitSwitching Characteristics Over the Operating Range3 AC Test Loads and Waveforms4Erasure Characteristics Programming InformationTypical DC and AC Characteristics Programming PinoutsOrdering Information9 SpeedOrdering Code Package Package Type Operating Ordering Code Package Type OperatingCY7C291AL-50JC CY7C293A-30DMB DC Characteristics Switching CharacteristicsSMD Cross Reference Package Diagrams Lead 600-Mil CerDIP D12 Square Leadless ChipCarrier L64Lead 300-Mil CerDIP D14 Lead 600-Mil Molded DIP P11 Lead 300-Mil Molded DIP P13/P13A Pin Windowed Leadless Chip Carrier Q64 Lead 300-Mil Molded Soic S13Lead 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.