Instruction/ maintenance manual of the product CY7C1215H Cypress Semiconductor
Go to page of 15
1-Mbit (32K x 32) Pipelined Sync SRAM CY7C1215H Cypress Semiconductor Corpora tion • 198 Champion Cou rt • San Jose , CA 95134-1 709 • 408-943-2 600 Document #: 38-05666 Rev . *B Revised July 5, 2006 Features • Registered inp uts and outputs for pipelined op er ation • 32K × 32 common I/O architecture • 3.
CY7C1215H Document #: 38-05666 Rev . *B Page 2 of 15 Pin Configuration Selection Guide 166 MHz 133 MHz Unit Maximum Access T i me 3.5 4.0 ns Maximum Operating Current 240 225 mA Maximum CMOS S tandby .
CY7C1215H Document #: 38-05666 Rev . *B Page 3 of 15 Pin Definitions Name I/O Description A 0 , A 1 , A Input- Synchronous Address Inputs used to select one of th e 32K address locations . Sampled at the rising edge of the CLK if ADSP or ADSC is active LOW , and CE 1 , CE 2 , and CE 3 are sampled active.
CY7C1215H Document #: 38-05666 Rev . *B Page 4 of 15 Functional Overview All synchronous inputs pass through input registers controlled by the rising edge of the clock. All data outputs pass through output registers controlled b y the rising edge of the clock.
CY7C1215H Document #: 38-05666 Rev . *B Page 5 of 15 Interleaved Burst Address T able (MODE = Floating or V DD ) First Address A 1 , A 0 Second Address A 1 , A 0 Third Address A 1 , A 0 Fourth Address.
CY7C1215H Document #: 38-05666 Rev . *B Page 6 of 15 T ruth T able for Read/W rite [2, 3] Function GW BWE BW D BW C BW B BW A Continue Write Next L H X X X Suspend Write Current L X X X H Suspend Writ.
CY7C1215H Document #: 38-05666 Rev . *B Page 7 of 15 Maximum Ratings (Above which the useful life may be impaired. For user guide- lines, not tested.) S torage T emperature ............. ... ... ... ... ....... –65 ° C to + 150 ° C Ambient T e mperature with Power Applied .
CY7C1215H Document #: 38-05666 Rev . *B Page 8 of 15 Cap acit ance [9] Parameter Description T est Conditions 100 T QF P Max. Unit C IN Input Capacitance T A = 25 ° C, f = 1 MHz, V DD = 3.
CY7C1215H Document #: 38-05666 Rev . *B Page 9 of 15 Switching Characteristics Over the Operating Range [10, 1 1] Parameter Description 166 MHz 133 MHz Unit Min. Max Min. Max t POWER V DD (T ypical) to the First Access [12] 1 1m s Clock t CYC Clock Cycle T ime 6.
CY7C1215H Document #: 38-05666 Rev . *B Page 10 of 15 Switching W aveforms Read Cycle Timing [16] Note: 16. On this diagram, when CE is LOW, CE 1 is LOW, CE 2 is HIGH and CE 3 is LOW.
CY7C1215H Document #: 38-05666 Rev . *B Page 1 1 of 15 Write Cycle T iming [16, 17] Note: 17. Full width Write can be initiated by either GW LO W; or by GW HIGH, BWE LOW and BW [A:D] LOW .
CY7C1215H Document #: 38-05666 Rev . *B Page 12 of 15 Read/Write Cycle Timing [16, 18, 19 ] Notes: 18. The data bus (Q) remains in High-Z following a Write cycle unless an ADSP , ADSC , or ADV cycle is performed.
CY7C1215H Document #: 38-05666 Rev . *B Page 13 of 15 ZZ Mode T iming [20, 21] Notes: 20. Device must be deselected when entering ZZ mode. See Cycle Descr iptions t able for all possible signal conditions to deselect the device. 21. DQs are in High-Z when exiting ZZ sleep mode.
CY7C1215H Document #: 38-05666 Rev . *B Page 14 of 15 © Cypress Semi con duct or Cor po rati on , 20 06 . The information con t a in ed he re i n is su bject to change wi t hou t n oti ce. C ypr ess S em ic onduct or Corporation assumes no resp onsibility f or the u se of any circuitry o ther than circui try embodied i n a Cypress prod uct.
CY7C1215H Document #: 38-05666 Rev . *B Page 15 of 15 Document History Page Document Title: CY7C1215H 1-Mbit (32K x 32) Pipelined Syn c SRAM Document Number: 38-05666 REV .
An important point after buying a device Cypress Semiconductor CY7C1215H (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cypress Semiconductor CY7C1215H yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Cypress Semiconductor CY7C1215H - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cypress Semiconductor CY7C1215H you will learn all the available features of the product, as well as information on its operation. The information that you get Cypress Semiconductor CY7C1215H will certainly help you make a decision on the purchase.
If you already are a holder of Cypress Semiconductor CY7C1215H, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cypress Semiconductor CY7C1215H.
However, one of the most important roles played by the user manual is to help in solving problems with Cypress Semiconductor CY7C1215H. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cypress Semiconductor CY7C1215H along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
