Instruction/ maintenance manual of the product CY7C146 Cypress
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2K x 8 Dual-Port S t atic RAM CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 38-06031 Rev .
CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 Document #: 38-06031 Rev . *E Page 2 of 15 Pinout s Figure 1. 52-Pin PLCC (T op View) Figure 2. 52-Pin PQFP (T op View) Selection Guide Specificati on 7C136.
CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 Document #: 38-06031 Rev . *E Page 3 of 15 Maximum Ratings Exceeding maximum ratin gs may impair the useful life of the device. These user guidelines are not teste d. S torage T emperature .......... .......
CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 Document #: 38-06031 Rev . *E Page 4 of 15 Cap acit ance This parameter is guaranteed but not tested. Parameter Description T e st Conditio ns Max Unit C IN Input Capacit ance T A = 25 ° C, f = 1 MHz, V CC = 5.
CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 Document #: 38-06031 Rev . *E Page 5 of 15 Write Cycle [12] t WC Wri te Cy cl e Ti me 15 25 30 ns t SCE CE LOW to Write End 12 20 25 ns t AW Address Setup t.
CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 Document #: 38-06031 Rev . *E Page 6 of 15 Switching Characteristics Over the Operating Range (S peeds -35, -45, -55) [8] Parameter Description 7C132-35 7C1.
CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 Document #: 38-06031 Rev . *E Page 7 of 15 Interrupt Timing [16] t WINS R/W to INTERRUPT Set T ime 25 35 45 ns t EINS CE to INTERRUPT Set Time 25 35 45 ns t.
CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 Document #: 38-06031 Rev . *E Page 8 of 15 Figure 6. Read Cycle No. 3 (Read with BUSY Master: CY7C132 an d CY7C136/CY7C136A) Figure 7.
CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 Document #: 38-06031 Rev . *E Page 9 of 15 Figure 8. Write Cycle No. 2 (R/W Three-St ates Dat a I/Os—Eithe r Port) [12, 21] Figure 9.
CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 Document #: 38-06031 Rev . *E Page 10 of 15 Figure 10. Busy Timing Diagra m No. 2 (Address Arbitration) Figure 1 1.
CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 Document #: 38-06031 Rev . *E Page 1 1 of 15 Interrupt Timing Diagrams [16] Figure 12. Left Side Sets INT R Figure 13.
CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 Document #: 38-06031 Rev . *E Page 12 of 15 Figure 16. T ypical DC and AC Characteris tics 1.4 1.0 0.4 4.0 4.5 5.0 5.5 6.0 –55 25 125 1.2 1.0 120 100 80 60 40 20 0 1.0 2.0 3.0 4.0 OUTPUT SOURCE CURRENT (mA) SUPPL Y VOL T AGE (V) NORMALIZED SUPPL Y CURRENT vs.
CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 Document #: 38-06031 Rev . *E Page 13 of 15 Ordering Information Spe ed (ns) Ordering C ode Package Diagram Package T ype Operating Range 15 CY7C136-15JC 51.
CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 Document #: 38-06031 Rev . *E Page 14 of 15 Package Diagrams Figure 17. 52-Pin Plastic Leaded Chip Carrier , 51-85004 Figure 18.
Document #: 38-06031 Rev . *E Revised March 24, 2009 Page 15 of 15 All product s and company name s mentioned in this docum ent may be the trademar ks of their respective holders. CY7C132, CY7C136 CY7C136A, CY7C142, CY7C146 © Cypress Sem iconductor Corp oration, 2005-2009.
An important point after buying a device Cypress CY7C146 (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 CY7C146 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 CY7C146 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cypress CY7C146 you will learn all the available features of the product, as well as information on its operation. The information that you get Cypress CY7C146 will certainly help you make a decision on the purchase.
If you already are a holder of Cypress CY7C146, 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 CY7C146.
However, one of the most important roles played by the user manual is to help in solving problems with Cypress CY7C146. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cypress CY7C146 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
