Cypress CY7C1470V25, CY7C1474V25, CY7C1472V25 manual 4M ×, Pin Configurations Pin Tqfp Pinout

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CY7C1470V25

CY7C1472V25

CY7C1474V25

Pin Configurations

100-pin TQFP Pinout

DQPc

DQc

DQc

VDDQ

VSS

DQc DQc

DQc

DQc

VSS VDDQ

DQc

DQc

NC

VDD

NC

VSS

DQd

DQd

VDDQ

VSS

DQd

DQd

DQd

DQd

VSS VDDQ

DQd DQd

DQPd

A A CE													CE				BWd BWc									BWb			BWa CE									V V								CLK WE									CEN OE									ADV/LD				A A								A A											A A CE													CE NC NC BWb																	BWa CE									V V CLK WE																	CEN OE									ADV/LD A								A				A A
A A CE													CE				BWd BWc									BWb			BWa CE									V V								CLK WE									CEN OE									ADV/LD				A A								A A											A A CE													CE NC NC BWb																	BWa CE									V V CLK WE																	CEN OE									ADV/LD A								A				A A
								1					2																				3							DD SS																																																								1				2																						3						DD SS
																																								DD SS																																																																																								DD SS

100				99				98					97				96					95				94			93				92					91				90				89					88				87				86				85					84				83				82			81								100				99					98				97				96				95					94				93					92				91				90				89					88				87				86				85					84				83				82				81
1																																																																												80								DQPb	NC		1																																																																													80
1																																																																												80								DQPb	NC		1																																																																													80
2																																																																												79								DQb	NC		2																																																																													79
2																																																																												79								DQb	NC		2																																																																													79
3																																																																												78								DQb	NC		3																																																																													78
4																																																																												77								VDDQ	VDDQ		4																																																																													77
4																																																																												77								VDDQ	VDDQ		4																																																																													77
5																																																																												76								VSS	VSS		5																																																																													76


6																																																																												75								DQb	NC		6																																																																													75
6																																																																												75								DQb	NC		6																																																																													75
7																																																																												74								DQb	NC		7																																																																													74
7																																																																												74								DQb	NC		7																																																																													74
8																																																																												73								DQb	DQb		8																																																																													73
8																																																																												73								DQb	DQb		8																																																																													73
9																																																																												72								DQb	DQb		9																																																																													72
9																																																																												72								DQb	DQb		9																																																																													72
10																																																																												71								VSS	VSS		10																																																																													71
10																																																																												71								VSS	VSS		10																																																																													71
11																																																																												70								VDDQ	VDDQ		11																																																																													70
11																																																																												70								VDDQ	VDDQ		11																																																																													70
12																																																																												69								DQb	DQb		12																																																																													69
12																																																																												69								DQb	DQb		12																																																																													69
13																																																																												68								DQb	DQb		13																																																																													68
13																																																																												68								DQb	DQb		13																																																																													68
14																									CY7C1470V25																																																			67								VSS	NC		14																									CY7C1472V25																																																				67
14																																																																												67								VSS	VDD		14																																																																													67
15																																																																												66								NC			15																																																																													66
15																																																																												66								NC			15																																																																													66
16																													(2M × 36)																																															65								VDD	NC		16																																(4M × 18)																																													65
16																																																																												65								VDD	VSS		16																																																																													65
17																																																																												64								ZZ			17																																																																													64
17																																																																												64								ZZ			17																																																																													64
18																																																																												63								DQa	DQb		18																																																																													63
18																																																																												63								DQa	DQb		18																																																																													63
19																																																																												62								DQa	DQb		19																																																																													62
20																																																																												61								VDDQ	VDDQ		20																																																																													61
20																																																																												61								VDDQ	VDDQ		20																																																																													61
21																																																																												60								VSS	VSS		21																																																																													60
21																																																																												60								VSS	VSS		21																																																																													60
22																																																																												59								DQa	DQb		22																																																																													59
22																																																																												59								DQa	DQb		22																																																																													59
23																																																																												58								DQa	DQb		23																																																																													58
23																																																																												58								DQa	DQb		23																																																																													58
24																																																																												57								DQa	DQPb		24																																																																													57
24																																																																												57								DQa	DQPb		24																																																																													57
25																																																																												56								DQa	NC		25																																																																													56
25																																																																												56								DQa	NC		25																																																																													56
26																																																																												55								VSS	VSS		26																																																																													55
26																																																																												55								VSS	VSS		26																																																																													55
27																																																																												54								VDDQ	VDDQ		27																																																																													54
27																																																																												54								VDDQ	VDDQ		27																																																																													54
28																																																																												53								DQa	NC		28																																																																													53
28																																																																												53								DQa	NC		28																																																																													53
29																																																																												52								DQa	NC		29																																																																													52
29																																																																												52								DQa	NC		29																																																																													52
30																																																																												51								DQPa	NC		30																																																																													51
30																																																																												51								DQPa	NC		30																																																																													51
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49																																																																50								31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50


MODE				A A A A A A																										NC(288)				NC(144)				V V								A A A A A A A A A																																									MODE				A A A A A A																												NC(288)				NC(144)			V V								A A A A A A A A A
																						1				0														SS DD																																																																				1					0															SS DD

A

NC

NC

VDDQ

VSS

NC

DQPa

DQa

DQa

VSS VDDQ

DQa DQa

VSS

NC

VDD

ZZ

DQa

DQa

VDDQ

VSS

DQa

DQa

NC

NC

VSS VDDQ

NC

NC

NC

Document #: 38-05290 Rev. *I

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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 Pin Definitions Pin Name Type Pin DescriptionByte Write Select Inputs, active L OW . Qualified with Power supply inputs to the core of the device Power supply for the I/O circuitryClock input to the Jtag circuitry Burst Write Accesses Single Read AccessesBurst Read Accesses Single Write AccessesLinear Burst Address Table Mode = GND Interleaved Burst Address Table Mode = Floating or VDDZZ Mode Electrical Characteristics 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 SizeBoundary Scan Exit Order 2M x Boundary Scan Exit Order 4M xBit # Ball ID W10 Boundary Scan Exit Order 1M xA11 J10Ambient Range Electrical Characteristics Over the Operating Range12Maximum Ratings Operating RangeCapacitance14 Thermal Resistance14AC Test Loads and Waveforms Switching Characteristics Over the Operating Range 15 250 200 167 Parameter Description Unit Min MaxSet-up Times 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.