Instruction/ maintenance manual of the product CY7C1020BN Cypress
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32K x 16 S t atic RAM CY7C1020BN Cypress Semiconductor Corpora tion • 198 Champion Cou rt • San Jose , CA 95134-1 709 • 408-943-2 600 Document #: 001-06443 Rev . ** Revised February 1, 2006 Features •H i g h s p e e d —t AA = 12, 15 ns • CMOS for optimum speed/powe r • Low active pow er — 825 mW (max.
CY7C1020BN Document #: 001-06443 Rev . ** Page 2 of 8 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 emperature with Power Applied .
CY7C1020BN Document #: 001-06443 Rev . ** Page 3 of 8 AC T est Loads and W aveforms Switching Characteristics [5] Ove r the Operating Range Parameter Descriptio n 7C1020BN-12 7C1020 BN-15 Unit Min.
CY7C1020BN Document #: 001-06443 Rev . ** Page 4 of 8 Switching Waveforms Read Cycle No. 1 [9, 10] Read Cycle No. 2 (OE Controlled) [10, 1 1] Notes: 9. Device is continuously selected. OE , CE , BHE and/or BHE = V IL . 10. WE is HIGH fo r read cycle. 1 1.
CY7C1020BN Document #: 001-06443 Rev . ** Page 5 of 8 Write Cycle No. 1 (CE Controlled) [12, 13] Write Cycle No. 2 (BLE or BHE Controlled) Notes: 12. Data I/O is high impedance if OE or BHE and/or BLE = V IH . 13. If CE goes HIGH simultaneously wi th WE goi ng HIGH, the output remains in a high-impedance st ate .
CY7C1020BN Document #: 001-06443 Rev . ** Page 6 of 8 Write Cycle No. 3 (WE Controlled, OE LOW) T ruth T able CE OE WE BLE BHE I/O 1 –I/O 8 I/O 9 –I/O 16 Mode Power H X X X X High Z High Z Power-D.
CY7C1020BN Document #: 001-06443 Rev . ** Page 7 of 8 © Cypress Semi con duct or Cor po rati on , 20 06 . The information contained he re i n is su bject to change without notice. C ypr ess S em i c on duct or Corpo ration assu me s no resp onsib ility for th e u se of any circuitry o ther than circui try embodied i n a Cypress prod uct.
CY7C1020BN Document #: 001-06443 Rev . ** Page 8 of 8 Document History Page Document Title: CY7C1020BN 32K x 16 St atic RAM Document #: 001-06443 REV .
An important point after buying a device Cypress CY7C1020BN (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of Cypress CY7C1020BN, 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 CY7C1020BN.
However, one of the most important roles played by the user manual is to help in solving problems with Cypress CY7C1020BN. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cypress CY7C1020BN 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
