Cypress CY7C1472V25, CY7C1470V25, CY7C1474V25 manual 250

Page 23

CY7C1470V25

CY7C1472V25

CY7C1474V25

Ordering Information (continued)

Not all of the speed, package and temperature ranges are available. Please contact your local sales representative or

visit www.cypress.com for actual products offered.

Speed

Ordering Code

Package

Part and Package Type

Operating

(MHz)

Diagram

Range

 

 

 

 

 

250

CY7C1470V25-250AXC

51-85050

100-Pin Thin Quad Flat Pack (14 x 20 x 1.4 mm) Lead-Free

Commercial

 

 

 

 

 

 

CY7C1472V25-250AXC

 

 

 

 

 

 

 

 

 

CY7C1470V25-250BZC

51-85165

165-ball Fine-Pitch Ball Grid Array (15 x 17 x 1.4 mm)

 

 

 

 

 

 

 

CY7C1472V25-250BZC

 

 

 

 

 

 

 

 

 

CY7C1470V25-250BZXC

51-85165

165-ball Fine-Pitch Ball Grid Array (15 x 17 x 1.4 mm) Lead-Free

 

 

 

 

 

 

 

CY7C1472V25-250BZXC

 

 

 

 

 

 

 

 

 

CY7C1474V25-250BGC

51-85167

209-ball Fine-Pitch Ball Grid Array (14 × 22 × 1.76 mm)

 

 

 

 

 

 

 

CY7C1474V25-250BGXC

 

209-ball Fine-Pitch Ball Grid Array (14 × 22 × 1.76 mm) Lead-Free

 

 

 

 

 

 

 

CY7C1470V25-250AXI

51-85050

100-Pin Thin Quad Flat Pack (14 x 20 x 1.4 mm) Lead-Free

Industrial

 

 

 

 

 

 

CY7C1472V25-250AXI

 

 

 

 

 

 

 

 

 

CY7C1470V25-250BZI

51-85165

165-ball Fine-Pitch Ball Grid Array (15 x 17 x 1.4 mm)

 

 

 

 

 

 

 

CY7C1472V25-250BZI

 

 

 

 

 

 

 

 

 

CY7C1470V25-250BZXI

51-85165

165-ball Fine-Pitch Ball Grid Array (15 x 17 x 1.4 mm) Lead-Free

 

 

 

 

 

 

 

CY7C1472V25-250BZXI

 

 

 

 

 

 

 

 

 

CY7C1474V25-250BGI

51-85167

209-ball Fine-Pitch Ball Grid Array (14 × 22 × 1.76 mm)

 

 

 

 

 

 

 

CY7C1474V25-250BGXI

 

209-ball Fine-Pitch Ball Grid Array (14 × 22 × 1.76 mm) Lead-Free

 

 

 

 

 

 

Document #: 38-05290 Rev. *I

Page 23 of 28

[+] Feedback

Page 22 Page 24
Image 23
Page 22 Page 24
Contents Cypress Semiconductor Corporation FeaturesLogic Block Diagram-CY7C1470V25 2M x Functional Description250 MHz 200 MHz 167 MHz Unit Logic Block Diagram-CY7C1472V25 4M xLogic Block Diagram-CY7C1474V25 1M x Selection Guide4M × Pin Configurations Pin Tqfp PinoutCY7C1472V25 4M x Byte Write Select Inputs, active L OW . Qualified with Pin DefinitionsPin Name Type Pin Description Clock input to the Jtag circuitry Power supply inputs to the core of the devicePower supply for the I/O circuitry Burst Write Accesses Single Read AccessesBurst Read Accesses Single Write AccessesZZ Mode Electrical Characteristics Linear Burst Address Table Mode = GNDInterleaved Burst Address Table Mode = Floating or VDD Function CY7C1474V25 Partial Write Cycle Description1, 2, 3Function CY7C1470V25 BW d BW c BW b BW a Function CY7C1472V25Ieee 1149.1 Serial Boundary Scan Jtag TAP Controller Block Diagram TAP Controller State DiagramTAP Instruction Set Instruction RegisterOutput Times TAP AC Switching Characteristics Over the Operating Range9TAP Timing Parameter Description Min Max Unit ClockIdentification Register Definitions TAP DC Electrical Characteristics And Operating Conditions5V TAP AC Test Conditions 8V TAP AC Test ConditionsInstruction Code Description Scan Register SizesIdentification Codes Register Name Bit SizeBit # Ball ID Boundary Scan Exit Order 2M xBoundary Scan Exit Order 4M x W10 Boundary Scan Exit Order 1M xA11 J10Ambient Range Electrical Characteristics Over the Operating Range12Maximum Ratings Operating RangeAC Test Loads and Waveforms Capacitance14Thermal Resistance14 Set-up Times Switching Characteristics Over the Operating Range 15250 200 167 Parameter Description Unit Min Max DON’T Care Switching WaveformsRead/Write/Timing21, 22 Address A1 A2NOP, Stall and Deselect Cycles21, 22 ZZ Mode Timing25Ordering Information 250 Pin Thin Plastic Quad Flatpack 14 x 20 x 1.4 mm Package DiagramsBall Fbga 15 x 17 x 1.4 mm Ball Fbga 14 x 22 x 1.76 mm Document History ECN No Issue Date Orig. Description of ChangeVKN 472335 See ECN

CY7C1474V25, CY7C1470V25, CY7C1472V25 specifications

The Cypress CY7C1470V25, CY7C1474V25, and CY7C1472V25 are part of Cypress Semiconductor’s family of high-performance synchronous static random-access memory (SRAM) solutions. These memory devices are designed specifically for applications that require fast access times and high bandwidth, making them ideal for a variety of consumer and industrial applications.

One of the standout features of these SRAMs is their performance. They provide high-speed access times, with data transfer rates that can reach up to 1 GHz. This performance is particularly beneficial for high-speed applications including networking equipment, telecommunications, and video processing systems. The CY7C1470V25, for example, offers a 256K x 16 configuration with an access time as low as 3.5 ns. Similarly, the CY7C1474V25 and CY7C1472V25 variants provide respective memory sizes of 1M x 16 and 512K x 16, catering to diverse memory application needs.

These SRAMs utilize a synchronous interface, which provides greater control over data transfers and synchronization with external clock signals. This synchronous operation allows for more efficient data handling in high-speed environments, reducing latency and improving system performance overall.

In terms of power consumption, the Cypress CY7C147x series is designed to operate efficiently. With a low operating voltage of 2.5V, these devices minimize energy usage while still delivering high-speed performance. The low standby power makes them suitable for battery-operated devices, as well as for systems where energy efficiency is a priority.

Furthermore, these SRAMs come with built-in features such as burst mode, which allows for sequential data access, enhancing read and write operations. This is especially useful in applications requiring rapid data retrieval.

The packaging options for the CY7C1470V25, CY7C1474V25, and CY7C1472V25 include both fine-pitch ball grid array (FBGA) and other configurations, facilitating easy integration into various circuit board layouts.

In conclusion, the Cypress CY7C1470V25, CY7C1474V25, and CY7C1472V25 SRAMs are powerful memory solutions that combine high-speed performance, low power consumption, and a synchronous interface. Their robust design makes them suitable for a wide array of applications ranging from communications to consumer electronics, ensuring they meet the demands of modern technology.
Top Page Image Contents