CY7C027V-25AI

CY7C027V-25AI Datasheet


CY7C027V/027AV/028V CY7C037AV/038V

Part Datasheet
CY7C027V-25AI CY7C027V-25AI CY7C027V-25AI (pdf)
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CY7C027V/027AV/028V CY7C037AV/038V

V 32K/64K x 16/18 Dual-Port Static RAM
• True dual-ported memory cells which allow simultaneous access of the same memory location
• 32K x 16 organization CY7C027V/027AV [1]
• 64K x 16 organization CY7C028V
• 32K x 18 organization CY7C037AV
• 64K x 18 organization CY7C038V
• micron Complementary metal oxide semiconductor

CMOS for optimum speed and power
• High speed access 15, 20, and 25 ns
• Low operating power
• Active ICC = 115 mA typical
• Standby ISB3 = 10 typical

Logic Block Diagram

R/WL UBL

CE0L CE1L

LBL OEL
/17L

I/O Control
• Fully asynchronous operation
• Automatic power-down
• Expandable data bus to 32/36 bits or more using Master/Slave
chip select when using more than one device
• On-chip arbitration logic
• Semaphores included to permit software handshaking
between ports
• INT flag for port-to-port communication
• Separate upper-byte and lower-byte control
• Dual chip enables
• Pin select for Master or Slave
• Commercial and Industrial temperature ranges
• 100-pin Pb-free Thin quad plastic flatpack TQFP and 100-pin

TQFP

I/O Control

R/WR UBR

CE0R CE1R

LBR OER
/15L
15/16

Address Decode

True Dual-Ported RAM Array
15/16

R/WL

SEML [5] BUSYL

Notes

INTL UBL LBL

CY7C027V, and CY7C027AV are functionally identical.
for x16 devices for x18 devices. for x16 devices for x18 devices. for 32K for 64K devices. BUSY is an output in master mode and an input in slave mode.

Interrupt Semaphore Arbitration

Address Decode
15/16
15/16

R/WR

SEMR BUSYR

INTR UBR LBR
• San Jose, CA 95134-1709
• 408-943-2600
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CY7C027V/027AV/028V CY7C037AV/038V

Contents
Timing 9 Switching Waveforms 10 Ordering Information 17
32K x16 V Asynchronous Dual-Port SRAM 17 64K x16 V Asynchronous Dual-Port SRAM 17 32K x18 V Asynchronous Dual-Port SRAM 17 64K x18 V Asynchronous Dual-Port SRAM 17 Ordering Code Definition 18 Package Diagram 19 Acronyms 20 Document Conventions 20 Units of Measure 20 Document History Page 21 Sales, Solutions, and Legal Information 22 Worldwide Sales and Design Support 22 Products 22 PSoC Solutions 22

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Pin Configurations

CY7C027V/027AV/028V CY7C037AV/038V

Figure 100-Pin TQFP Top View

A8L A7L A6L A5L A4L A3L A2L A1L A0L NC INTL BUSYL GND M/S BUSYR INTR A0R A1R A2R A3R A4R A5R A6R A7R A8R

A9L A10L A11L A12L A13L A14L [6] A15L

NC LBL UBL CE0L CE1L SEML VCC R/WL OEL GND I/O15L I/O14L I/O13L I/O12L I/O11L I/O10L
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76

CY7C028V 64K x 16

CY7C027V/027AV 32K x 16
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

A9R A10R A11R A12R A13R A14R A15R [6] NC LBR UBR CE0R CE1R SEMR GND R/WR OER GND I/O15R I/O14R I/O13R I/O12R I/O11R I/O10R

I/O9L I/O8L VCC I/O7L I/O6L I/O5L I/O4L I/O3L I/O2L GND I/O1L I/O0L GND I/O0R I/01R I/O2R I/O3R I/O4R I/O5R I/O6R VCC I/O7R I/O8R I/O9R

Note This pin is NC for CY7C027V/027AV.

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CY7C027V/027AV/028V CY7C037AV/038V

Pin Configurations continued

Figure 100-Pin TQFP Top View

A8L A7L A6L A5L A4L A3L A2L A1L A0L INTL BUSYL GND VCC M/S BUSYR INTR A0R A1R A2R A3R A4R A5R A6R A7R

A9L A10L A11L A12L A13L A14L [7] A15L

LBL UBL CE0L CE1L SEML R/WL OEL VCC GND I/O17L I/O16L GND I/O15L I/O14L I/O13L I/O12L I/O11L I/O10L
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76

CY7C038V 64K x 18

CY7C037AV 32K x 18
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

A8R A9R A10R A11R A12R A13R A14R A15R [7] LBR UBR CE0R CE1R SEMR R/WR GND OER GND I/O17R GND I/O16R I/O15R I/O14R I/O13R I/O12R I/O11R

I/O9L I/O8L VCC I/O7L I/O6L I/O5L I/O4L I/O3L I/O2L GND I/O1L I/O0L GND I/O0R I/01R I/O2R I/O3R I/O4R I/O5R I/O6R VCC I/O7R I/O8R I/O9R I/O10R

Selection Guide

Parameter Maximum access time Typical operating current Typical standby current for ISB1 Both ports TTL level Typical standby current for ISB3 Both ports CMOS level
-15 125 35 10
-20 120 35 10

Unit

Note This pin is NC for CY7C037AV.

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CY7C027V/027AV/028V CY7C037AV/038V

Pin Definitions

Left Port

CE0L, CE1L R/WL OEL SEML UBL LBL INTL BUSYL M/S

VCC GND

Right Port
Ordering Information
32K x16 V Asynchronous Dual-Port SRAM

Speed ns 15
Ordering Code CY7C027V-15AXC CY7C027V-15AXI CY7C027V-20AC CY7C027V-20AXC CY7C027V-25AC CY7C027V-25AI CY7C027V-25AXC CY7C027AV-25AXI

Package Name A100

Package Type 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Thin Quad Flat Pack 100-Pin Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack
64K x16 V Asynchronous Dual-Port SRAM

Speed ns 15 20
Ordering Code CY7C028V-15AXC CY7C028V-15AXI CY7C028V-20AC CY7C028V-20AXC CY7C028V-20AI CY7C028V-20AXI CY7C028V-25AC CY7C028V-25AXC

Package Name A100

Package Type 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack
32K x18 V Asynchronous Dual-Port SRAM

Speed ns 20
Ordering Code CY7C037AV-20AXC

Package Name A100

Package Type 100-Pin Pb-free Thin Quad Flat Pack
64K x18 V Asynchronous Dual-Port SRAM

Speed ns 20
Ordering Code CY7C038V-20AI CY7C038V-20AXI

Package Name A100

Package Type 100-Pin Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack

Operating Range

Commercial Industrial Commercial Industrial Commercial Industrial

Operating Range

Commercial Industrial Commercial Industrial Commercial

Operating Range

Commercial

Operating Range

Industrial

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Ordering Code Definition

CY 7C 0X X XX A X

CY7C027V/027AV/028V CY7C037AV/038V

Operating Range C = Commercial I = Industrial X Pb free RoHS Compliant Package A=TQFP Speed Grade 15ns/20ns/25ns X = V/AV V Depth 7=32K or 8=64K Width 02=x16 or 03=x18 7C = Dual Port SRAM Company ID CY = Cypress

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CY7C027V/027AV/028V CY7C037AV/038V

Package Diagram

Figure 100-Pin Pb-Free Thin Plastic Quad Flat Pack TQFP A100
51-85048 *D

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CY7C027V/027AV/028V CY7C037AV/038V

Acronyms

Acronym CMOS TQFP I/O SRAM

Description complementary metal oxide semiconductor thin quad plastic flatpack input/output static random access memory

Document Conventions

Units of Measure

Symbol ns V µA mA
mV MHz pF W °C

Unit of Measure nano seconds Volts micro Amperes milli Amperes Ohms milli Volts Mega Hertz pico Farad Watts degree Celcius

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CY7C027V/027AV/028V CY7C037AV/038V

Document History Page

Document Title CY7C027V/027AV/CY7C028V/037AV/038V V 32K/64K X 16/18 DUAL PORT STATIC RAM Document Number 38-06078

ECN No.

Orig. of Submission

Change

Description of Change
237626
6/30/04 Converted data sheet from old spec 38-00670 to conform with new data sheet. Removed cross information from features section
259110

See ECN Added Pb-Free packaging information.
2623540 VKN/PYRS 12/17/08 Added CY7C027VN, CY7C027AV and CY7C037AV parts
Updated Ordering information table
2897217

RAME
03/22/2010 Updated Ordering Information

Updated Package Diagram
3093542

ADMU
11/25/2010 Removed information on CY7C027VN and CY7C037V

Updated as per new template

Added Acronyms and Units of Measure table
Added Ordering Code Definition

Updated all footnotes

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CY7C027V/027AV/028V CY7C037AV/038V

Sales, Solutions, and Legal Information

Worldwide Sales and Design Support Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office closest to you, visit us at Cypress Locations.

Products Automotive Clocks & Buffers Interface Lighting & Power Control

Memory Optical & Image Sensing PSoC Touch Sensing USB Controllers Wireless/RF
cypress.com/go/automotive cypress.com/go/clocks
cypress.com/go/interface cypress.com/go/powerpsoc
cypress.com/go/plc cypress.com/go/memory
cypress.com/go/image cypress.com/go/psoc cypress.com/go/touch cypress.com/go/USB
cypress.com/go/wireless

PSoC Solutions psoc.cypress.com/solutions PSoC 1 | PSoC 3 | PSoC 5

Cypress Semiconductor Corporation, The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.

Any Source Code software and/or firmware is owned by Cypress Semiconductor Corporation Cypress and is protected by and subject to worldwide patent protection United States and foreign , United States copyright laws and international treaty provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of, and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress integrated circuit as specified in the applicable agreement. Any reproduction, modification, translation, compilation, or representation of this Source Code except as specified above is prohibited without the express written permission of Cypress.

Disclaimer CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials described herein. Cypress does not assume any liability arising out of the application or use of any product or circuit described herein. Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.

Use may be limited by and subject to the applicable Cypress software license agreement.

All products and company names mentioned in this document may be the trademarks of their respective holders.

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Datasheet ID: CY7C027V-25AI 507858