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Cypress CY7C1464AV25, CY7C1462AV25, CY7C1460AV25 manual 2M ×, Pin Configurations Pin Tqfp Pinout

Models: CY7C1462AV25 CY7C1460AV25 CY7C1464AV25

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CY7C1460AV25

CY7C1462AV25

CY7C1464AV25

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
3																																																																														78								DQb	NC		3																																																																									78
4																																																																														77								VDDQ	VDDQ		4																																																																									77
4																																																																														77								VDDQ	VDDQ		4																																																																									77
5																																																																														76								VSS	VSS		5																																																																									76
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																							CY7C1460AV25																																																							68								DQb	DQb		13																																																																									68
13																																																																														68								DQb	DQb		13																																																																									68
14																																																																														67								VSS	NC		14																					CY7C1462AV25																																																				67
15																														(1M × 36)																																																66								NC	VDD		15																																																																									66
15																																																																														66								NC	VDD		15																																																																									66
16																																																																														65								VDD	NC		16																														(2M × 18)																																											65
17																																																																														64								ZZ	VSS		17																																																																									64
17																																																																														64								ZZ	VSS		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/288M				NC/144M				V V											NC/72M			A A A A A A A A																																					MODE				A A A A A A																									NC/288M				NC/144M				V V									NC/72M					A A A A A A A A
																						1				0														SS DD																																																																					1				0															SS DD

A

NC NC

VDDQ

VSS

NC

DQP

DQa

DQa

VSS VDDQ

DQa DQa

VSS

NC

VDD

ZZ

DQa

DQa

VDDQ

VSS

DQa

DQa

NC

NC

VSS VDDQ

NC

NC NC

Document #: 38-05354 Rev. *D

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Cypress CY7C1464AV25, CY7C1462AV25, CY7C1460AV25 manual 2M ×, Pin Configurations Pin Tqfp Pinout

CY7C1462AV25, CY7C1460AV25, CY7C1464AV25 specifications

The Cypress CY7C1464AV25, CY7C1460AV25, and CY7C1462AV25 are a family of high-performance synchronous SRAM devices that have been designed for applications requiring fast memory access and low latency. These memory chips are particularly appealing for systems in telecommunications, networking, and embedded applications due to their versatility and robust performance specifications.

One of the standout features of the CY7C1464AV25 series is their large capacities. The CY7C1464AV25 offers a capacity of 4 Megabits (512 K x 8), making it well-suited for applications that demand ample memory while maintaining high-speed operations. In contrast, the CY7C1460AV25 and CY7C1462AV25 provide slightly smaller capacities of 1 Megabit (128 K x 8) and 2 Megabits (256 K x 8) respectively, catering to varying system memory requirements.

All three devices utilize Cypress's advanced synchronous SRAM technology. This enables the chips to support burst read and write modes, allowing for rapid data transfer rates. The CY7C1464AV25 delivers a data access time of as low as 5.5 ns, making it highly efficient for data-intensive applications. Additionally, the standard operating voltage of 2.5V aids in reducing power consumption and improving overall system energy efficiency.

The chips are also characterized by a simple interface and compatibility with common bus protocols, which facilitates easy integration into existing systems. They feature a dual-port architecture, allowing multiple data transfers to occur simultaneously, significantly improving throughput.

With a commercial temperature range, all three devices offer reliability and are suited for a wide range of operating environments. The package options include a compact 44-pin TSOP, allowing for space-saving designs in modern electronics.

In summary, the Cypress CY7C1464AV25, CY7C1460AV25, and CY7C1462AV25 provide a powerful blend of capacity, speed, and efficiency, making them ideal choices for demanding applications in various sectors. Their advanced technologies and versatility make them excellent candidates for enhancing system performance while maintaining low power consumption and ensuring reliable operation in various conditions.

Contents

Cypress Semiconductor Corporation FeaturesLogic Block Diagram-CY7C1460AV25 1M x Functional Description 250 MHz 200 MHz 167 MHz Unit Logic Block Diagram-CY7C1462AV25 2M xLogic Block Diagram-CY7C1464AV25 512K x Selection Guide 2M × Pin Configurations Pin Tqfp Pinout CY7C1462AV25 2M × ADV/LD Pin DefinitionsPin Name Type Pin Description Byte Write Select Inputs, active LOW. Qualified with Clock input to the Jtag circuitry Power supply inputs to the core of the devicePower supply for the I/O circuitry Type Pin Description Burst Write Accesses Single Read AccessesBurst Read Accesses Single Write Accesses Interleaved Burst Address Table Mode = Floating or VDD Linear Burst Address Table Mode = GNDZZ Mode Electrical Characteristics Function CY7C1464AV25 Partial Write Cycle Description1, 2, 3Function CY7C1460AV25 BW d BW c BW b BW a Function CY7C1462AV25 Performing a TAP Reset TAP Controller Block Diagram TAP Controller State DiagramDisabling the Jtag Feature Test Access Port TAP TAP Instruction Set Bypass Register Set-up Times TAP TimingParameter Description Min Max Unit Clock Output Times Identification Register Definitions TAP DC Electrical Characteristics And Operating Conditions5V TAP AC Test Conditions 8V TAP AC Test Conditions Instruction Code Description Scan Register SizesIdentification Codes Register Name Bit Size Ball Fbga Boundary Scan Order12 CY7C1460AV25 1M x 36, CY7C1462AV25 2M x Bit# Ball IDBit# Ball ID CY7C1464AV25 512K x Bit# Ball ID Ball Fbga Boundary Scan Order 12 Ambient Range Electrical Characteristics Over the Operating Range14Maximum Ratings Operating Range Capacitance16 Thermal ResistanceAC Test Loads and Waveforms 250 200 167 Parameter Description Unit Min Max Switching Characteristics Over the Operating Range 21 Switching Waveforms Read/Write/Timing23, 24NOP, Stall and Deselect Cycles23, 24 DON’T Care ZZ Mode Timing27 Ordering Information 250 Pin Tqfp 14 x 20 x 1.4 mm Package Diagrams Ball Fbga 15 x 17 x 1.4 mm Ball Fbga 14 x 22 x 1.76 mm RXU ECN No Issue Date Orig. Description of ChangeDocument History SYT