Cypress CY62128B manual Read Cycle No OE Controlled13, Write Cycle No CE1 or CE2 Controlled15

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CY62128B

MoBL®

Switching Waveforms (continued)

Read Cycle No. 2 (OE Controlled)[13, 14]

ADDRESS

 

 

 

 

 

tRC

 

CE1

 

 

 

CE2

tACE

 

 

 

 

 

OE

 

tHZOE

 

 

tDOE

 

 

tHZCE

 

 

tLZOE

HIGH

DATA OUT

HIGH IMPEDANCE

DATA VALID

IMPEDANCE

 

 

 

tLZCE

tPD

 

VCC

tPU

ICC

SUPPLY

50%

 

50%

CURRENT

 

 

ISB

Write Cycle No. 1 (CE1 or CE2 Controlled)[15, 16]

 

tWC

 

ADDRESS

 

 

 

tSCE

 

CE1

 

 

tSA

 

 

CE2

tSCE

 

tAW

tHA

tPWE

 

 

WE

 

 

 

tSD

tHD

DATA I/O

DATA VALID

 

Notes:

 

 

14.Address valid prior to or coincident with CE1 transition LOW and CE2 transition HIGH.

15.Data I/O is high impedance if OE = VIH.

16.If CE1 goes HIGH or CE2 goes LOW simultaneously with WE going HIGH, the output remains in a high-impedance state.

Document #: 38-05300 Rev. *C

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Contents Functional Description1 FeaturesLogic Block Diagram Cypress Semiconductor CorporationPin Definitions Pin ConfigurationsProduct Portfolio SoicMaximum Ratings Electrical Characteristics Over the Operating RangeRange Ambient Temperature T Operating RangeAC Test Loads and Waveforms Thermal Resistance6Capacitance6 Data Retention WaveformRead Cycle Switching Characteristics7 Over the Operating RangeSwitching Waveforms Write CycleRead Cycle No OE Controlled13 Write Cycle No CE1 or CE2 Controlled15Data I/O Data Invalid Write Cycle No WE Controlled, OE High During Write15Write Cycle No.3 WE Controlled, OE LOW15 DATAI/O Data Valid0-I/O Mode Power Truth TableOrdering Information Package Diagrams Lead 450 MIL Molded Soic S34Lead Thin Small Outline Package Type I 8x20 mm Z32 Lead Shrunk Thin Small Outline Package 8x13.4 mm ZA32 Lead Reverse Thin Small Outline Package ZR32Issue Orig. Description of Change Date Document HistoryREV ECN no

CY62128B specifications

The Cypress CY62128B is a high-performance static random-access memory (SRAM) device designed to deliver reliable data storage solutions in a variety of applications. This device is particularly notable for its speed and high-density capabilities, making it suitable for both consumer electronics and industrial applications.

One of the main features of the CY62128B is its organization as a 128K-bit memory chip, which typically comes in a 16K x 8-bit configuration. This allows for efficient processing and storage of data, enabling quick access times. The device boasts access times of 55 ns, making it an excellent choice for applications that require fast data retrieval and processing. Such speed is crucial for modern computing tasks, where delays can significantly impact overall performance.

In addition to its speed, the CY62128B incorporates low-power consumption technology, which is vital for battery-operated devices and other energy-sensitive applications. The operating current is typically in the range of 30 mA, while the standby current is a mere 0.02 mA when the chip is not in use. This combination of low power and high-speed functionality ensures that the device operates efficiently in a wide range of conditions.

The CY62128B also features a wide operating voltage range, accommodating both 2.7V to 5.5V. This versatility allows it to be employed in diverse environments and devices, adapting as necessary to various power supply configurations. Its compatibility with different voltage levels enhances its usability in portable electronics and various embedded systems.

Additionally, the CY62128B benefits from a fast transition between read and write operations, thanks to its asynchronous memory structure. This means that data can be changed and accessed without the need for complex timing sequences, promoting simplicity in system design and reducing overhead.

Another significant characteristic is the robust reliability of the CY62128B, which uses advanced CMOS technology. The chip is built to withstand challenging operating conditions, such as extreme temperatures and radiation exposure, making it suitable for aerospace and military applications.

In summary, the Cypress CY62128B is a versatile and reliable SRAM solution, offering high density, fast access times, low power consumption, and a broad operating voltage range. These features make it an ideal choice for diverse applications, from consumer electronics to industrial systems. Its combination of speed, efficiency, and reliability reflects the innovation that Cypress is known for in the semiconductor industry.