CY7C291A

CY7C292A/CY7C293A

Typical DC and AC Characteristics

OUTPUT SINK CURRENT vs. OUTPUT VOLTAGE

(mA)

175

 

 

 

 

150

 

 

 

 

CURRENT

 

 

 

 

125

 

 

 

 

100

 

 

 

 

SINK

75

 

 

 

 

 

 

 

VCC =5.0V

 

OUTPUT

50

 

 

 

 

 

TA =25° C

 

25

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

0.0

1.0

2.0

3.0

4.0

 

 

OUTPUT VOLTAGE (V)

 

 

I CC vs. CYCLE PERIOD

 

 

1.02

 

 

 

 

 

1.00

 

 

 

 

CC

0.98

 

 

VCC =5.5V

 

I

 

 

TA =25° C

 

NORMALIZED

 

 

 

 

0.96

 

 

 

 

 

 

 

 

 

 

0.94

 

 

 

 

 

0.92

 

 

 

 

 

0.90

 

 

 

 

 

0.88

 

 

 

 

 

0

25

50

75

100

 

 

CYCLE PERIOD (ns)

C291A-11

 

 

 

 

 

Ordering Information[9]

Speed

ICC

Ordering Code

Package

Package Type

Operating

(ns)

(mA)

Name

Range

 

 

 

 

 

 

20

120

CY7C291A-20JC

J64

28-Lead Plastic Leaded Chip Carrier

Commercial

 

 

 

 

 

 

 

 

CY7C291A-20PC

P13

24-Lead (300-Mil) Molded DIP

 

 

 

 

 

 

 

 

 

CY7C291A-20SC

S13

24-Lead Molded SOIC

 

 

 

 

 

 

 

 

 

CY7C291A-20WC

W14

24-Lead (300-Mil) Windowed CerDIP

 

 

 

 

 

 

 

25

60

CY7C291AL-25JC

J64

28-Lead Plastic Leaded Chip Carrier

Commercial

 

 

 

 

 

 

 

 

CY7C291AL-25PC

P13

24-Lead (300-Mil) Molded DIP

 

 

 

 

 

 

 

 

 

CY7C291AL-25WC

W14

24-Lead (300-Mil) Windowed CerDIP

 

 

 

 

 

 

 

 

90

CY7C291A-25JC

J64

28-Lead Plastic Leaded Chip Carrier

 

 

 

 

 

 

 

 

 

CY7C291A-25PC

P13

24-Lead (300-Mil) Molded DIP

 

 

 

 

 

 

 

 

 

CY7C291A-25SC

S13

24-Lead Molded SOIC

 

 

 

 

 

 

 

 

 

CY7C291A-25WC

W14

24-Lead (300-Mil) Windowed CerDIP

 

 

 

 

 

 

 

 

120

CY7C291A-25DMB

D14

24-Lead (300-Mil) CerDIP

Military

 

 

 

 

 

 

 

 

CY7C291A-25LMB

L64

28-Square Leadless Chip Carrier

 

 

 

 

 

 

 

 

 

CY7C291A-25QMB

Q64

28-Pin Windowed Leadless Chip Carrier

 

 

 

 

 

 

 

 

 

CY7C291A-25TMB

T73

24-Lead Windowed Cerpack

 

 

 

 

 

 

 

 

 

CY7C291A-25WMB

W14

24-Lead (300-Mil) Windowed CerDIP

 

 

 

 

 

 

 

30

120

CY7C291A-30DMB

D14

24-Lead (300-Mil) CerDIP

Military

 

 

 

 

 

 

 

 

CY7C291A-30LMB

L64

28-Square Leadless Chip Carrier

 

 

 

 

 

 

 

 

 

CY7C291A-30QMB

Q64

28-Pin Windowed Leadless Chip Carrier

 

 

 

 

 

 

 

 

 

CY7C291A-30TMB

T73

24-Lead Windowed Cerpack

 

 

 

 

 

 

 

 

 

CY7C291A-30WMB

W14

24-Lead (300-Mil) Windowed CerDIP

 

 

 

 

 

 

 

35

60

CY7C291AL-35JC

J64

28-Lead Plastic Leaded Chip Carrier

Commercial

 

 

 

 

 

 

8

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Image 8
Cypress CY7C292A, CY7C293A, CY7C291A manual Ordering Information9, Speed, Ordering Code Package Package Type Operating

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.