Cypress CY7C1217H manual Timing Diagrams, Read Cycle Timing16

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CY7C1217H

Timing Diagrams

Read Cycle Timing[16]

tCYC

CLK

t CH

tADS tADH

ADSP

ADSC

tAS tAH

t CL

tADS tADH

ADDRESS

GW, BWE,BW[A:D]

A1	A2
t WES	tWEH
tCES tCEH	Deselect Cycle
tCES tCEH
	t ADVS tADVH

ADV
OE
		tOEV
		tOEHZ
		tCLZ
Data Out (Q)	High-Z	Q(A1)

tCDV

tOELZ tCDV tDOH

Q(A2) Q(A2 + 1)

ADV suspends burst.

			tCHZ
Q(A2 + 2)	Q(A2 + 3)	Q(A2)	Q(A2 + 1) Q(A2 + 2)
		Burst wraps around

Single READ

to its initial state

BURST

READ

DON’T CARE

UNDEFINED

Note:

16. On this diagram, when CE is LOW, CE1 is LOW, CE2 is HIGH and CE3 is LOW. When CE is HIGH, CE1 is HIGH or CE2 is LOW or CE3 is HIGH.

Document #: 38-05670 Rev. *B

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Contents Cypress Semiconductor Corporation FeaturesSelection Guide Functional Description1 133 MHz 100 MHz UnitCY7C1217H Logic Block Diagram15CY7C1217H Pin Configuration Pin TqfpPin Descriptions Functional Overview Interleaved Burst Address Table Mode = Floating or VDDLinear Burst Address Table Mode = GND Address Cycle Description Used ZZ Mode Electrical CharacteristicsParameter Description Test Conditions Min Max Unit Function Truth Table for Read/Write2Range Maximum RatingsOperating Range AmbientAC Test Loads and Waveforms Capacitance9Thermal Resistance9 Switching Characteristics Over the Operating Range 10 Read Cycle Timing16 Timing DiagramsAdsc Write Cycle Timing16DON’T Care Undefined Read/Write Timing16, 18ZZ Mode Timing20 Pin Tqfp 14 x 20 x 1.4 mm Package DiagramOrdering Information Document History Issue Date Orig. Description of Change

CY7C1217H specifications

The Cypress CY7C1217H is a high-performance synchronous static random-access memory (SRAM) device that offers an array of features making it suitable for a diverse range of applications. With a configuration of 1 Meg x 16 bits, this component is well-suited for use in high-speed data processing systems, instrumentation, networking, and other applications that demand rapid-read and write cycles.

One of the standout features of the CY7C1217H is its high-speed operation. It supports a clock frequency of up to 167 MHz, making it ideal for systems that require fast data access and transfer rates. This high-speed capability is complemented by a low-power consumption profile, which is critical for battery-operated devices and energy-efficient applications. The part operates on a supply voltage of 1.65V to 1.95V, allowing for compatibility with modern low-voltage digital systems.

The device utilizes a dual-port architecture, enabling simultaneous access from multiple processors or data buses. This dual-port design significantly improves performance by allowing multiple data transactions to occur simultaneously, thus increasing overall system throughput. Additionally, the CY7C1217H features an asynchronous read and write capability, allowing for flexible operation in various system configurations.

In terms of memory organization, the CY7C1217H employs a multiplexed address input design, which helps optimize pin count and leads to more efficient PCB layouts. The use of a XY address decoding scheme allows for straightforward integration into existing systems while maintaining high performance.

Another notable characteristic of this SRAM is its reliability and durability. The device is built using Cypress's advanced trench technology, providing inherent robustness against environmental stress factors. This ensures a longer lifespan and improved performance consistency over time.

Furthermore, the CY7C1217H supports a range of operating temperatures, making it suitable for both commercial and industrial applications. Whether used in consumer electronics or critical industrial control systems, this SRAM's versatility ensures it can meet diverse design requirements.

In summary, the Cypress CY7C1217H synchronous SRAM combines high-speed performance, low power consumption, and dual-port capabilities with robust design characteristics. Its versatility and reliability make it an excellent choice for engineers looking to enhance their high-performance applications across various sectors.