Cypress CY7C107BN, CY7C1007BN Switching Waveforms, Read Cycle No, Write Cycle No CE Controlled13

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CY7C107BN

CY7C1007BN

Switching Waveforms

Read Cycle No. 1[10, 11]

tRC

ADDRESS

tAA

tOHA

DATA OUT

PREVIOUS DATA VALID

DATA VALID

Read Cycle No. 2[11, 12]

 

 

 

ADDRESS

 

 

 

 

 

tRC

 

CE

 

 

 

 

tACE

 

 

 

tLZCE

tHZCE

HIGH

DATA OUT

HIGH IMPEDANCE

DATA VALID

IMPEDANCE

 

 

VCC

tPU

tPD

 

 

ICC

SUPPLY

50%

 

50%

CURRENT

 

 

ISB

Write Cycle No. 1 (CE Controlled)[13]

 

tWC

 

ADDRESS

 

 

tSA

tSCE

 

CE

 

 

tAW

 

tHA

tPWE

 

 

WE

 

 

 

tSD

tHD

DATA IN

DATA VALID

 

DATA OUT

HIGH IMPEDANCE

 

Notes:

CC+ 0.5V.

10.Device is continuously selected, CE = VIL.

11.WE is HIGH for read cycle.

12.Address valid prior to or coincident with CE transition LOW.

13.If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.9. No input may exceed V

Document #: 001-06426 Rev. **

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Contents Features Logic Block DiagramPin Configuration Functional DescriptionMaximum Ratings Electrical Characteristics Over the Operating RangeCapacitance4 AC Test Loads and Waveforms Switching Characteristics5 Over the Operating RangeParameter Description Unit Min Max Read Cycle No Switching WaveformsWrite Cycle No CE Controlled13 Mode Power Ordering Code Package Package Type Operating Diagram RangeTruth Table Ordering InformationLead 400-Mil Molded SOJ Package DiagramsLead 300-Mil Molded SOJ New Data Sheet Issue Orig. Description of Change Date 423847Document History

CY7C107BN, CY7C1007BN specifications

The Cypress CY7C107BN and CY7C1007BN are versatile synchronous static RAM (SRAM) devices that are widely used in various electronic applications, including networking, telecommunications, and consumer electronics. These devices are designed to meet the demands for high-speed memory accesses while providing low power consumption and high reliability, making them an ideal choice for designers seeking efficient memory solutions.

One of the main features of the CY7C107BN and CY7C1007BN is their high-speed access time. Both chips offer access times as fast as 10 nanoseconds, which allows devices using these memories to process data at impressive rates. This speed is particularly beneficial for applications requiring rapid read and write operations, such as cache memory or data buffering in high-performance computing environments.

In terms of memory density, the CY7C107BN offers a capacity of 1 Megabit, while the CY7C1007BN provides a greater capacity of 2 Megabits. This makes both chips suitable for varying storage requirements, allowing designers to select the appropriate size based on their application's memory needs. The memory architecture of these SRAMs consists of a static cell design, which ensures data retention without the need for refresh cycles, contrasting with dynamic RAM (DRAM) technologies. This characteristic not only simplifies system design but enhances performance and reliability.

The Cypress SRAMs are implemented in a single 5-volt power supply range, facilitating compatibility with a wide range of existing systems. Their low standby current consumption is another notable advantage, enabling battery-operated devices to operate for extended periods without significant power drain.

Moreover, the CY7C107BN and CY7C1007BN incorporate advanced CMOS technology, which contributes to their low power dissipation and high noise immunity. Designers appreciate the integration and ease of implementation made possible by 10 leading-edge package options available for these devices.

Additionally, both memory chips support common SRAM functionalities, including asynchronous read and write controls, enabling straightforward interfacing with microcontrollers and digital signal processors. With built-in features for write enable, output enable, and chip select, these SRAMs facilitate flexible memory management and control in diverse applications.

In summary, the Cypress CY7C107BN and CY7C1007BN SRAMs represent robust and efficient memory solutions that offer high speeds, low power consumption, and significant reliability. Their features make them suitable for a wide range of electronic applications, solidifying their position as trusted components in the evolving landscape of semiconductor technologies.