Cypress Semiconductor Perform CY7C132 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Cypress Semiconductor Perform CY7C132, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Cypress Semiconductor Perform CY7C132 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Cypress Semiconductor Perform CY7C132. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Cypress Semiconductor Perform CY7C132 should contain:
- informations concerning technical data of Cypress Semiconductor Perform CY7C132
- name of the manufacturer and a year of construction of the Cypress Semiconductor Perform CY7C132 item
- rules of operation, control and maintenance of the Cypress Semiconductor Perform CY7C132 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Cypress Semiconductor Perform CY7C132 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Cypress Semiconductor Perform CY7C132, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Cypress Semiconductor service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Cypress Semiconductor Perform CY7C132.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Cypress Semiconductor Perform CY7C132 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    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 . *E Revised March 24, 2009 Features ■ T rue dual-ported memory cells that enable simultaneous reads of the same memory loca tion ■ 2K x 8 orga[...]

  • Page 2

    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 7C136-15 [4] 7C146-15 7C132-25 [4] 7C136-25 7C142-25 7C146-25 7C132-30 7C136-30 7C142-30 7C146-30 7C132-35 7C136-35 7C142-35 7C146-35 7C132-45 7C136-45 7C1[...]

  • Page 3

    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 .......... ......... ........... ....... − 65°C to +150°C Ambient T empe rature w ith Power Applied . ...........[...]

  • Page 4

    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 = 5.0V 1 5 p F C OUT Output Capacit a nce 10 pF Figure 3. AC T est Lo ads and Waveforms 3.0V 5V OUT[...]

  • Page 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 to Write End 12 20 25 ns t HA Address Hold from Write End 2 22 n s t SA Address Setup to Write S tart 0 00 n s t PWE R/W Pulse Width 12 15 25 ns t SD D[...]

  • Page 6

    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 7C136-35 7C142-35 7C146-35 7C132-45 7C136-45 7C142-45 7C146-45 7C132-55 7C136-55 7C136A-55 7C142-55 7C146-55 Unit Min Max Min Max Min Max Read Cycle t RC[...]

  • Page 7

    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 INS Address to INTERRUPT Set T ime 25 35 45 ns t OINR OE to INTERRUPT Reset T ime [13] 25 35 45 ns t EINR CE to INTERRUP T Reset Time [13] 25 35 45 n[...]

  • Page 8

    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. Write Cycle No.1 (O E Three-St ates Data I /Os—Either Port) [12, 20] Switching W aveforms (continued) t BHA t BDD VA L I D t DDD t WDD ADDRESS MA TCH ADDRESS MA TCH R/W [...]

  • Page 9

    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. Busy Timing Diagram No. 1 (CE Arbitration) Switching W aveforms (continued) t AW t WC t SCE t SA t PWE t HD t SD t HZWE t HA HIGH IMPEDANCE CE R/W ADDRESS D OUT DA T A IN[...]

  • Page 10

    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. Busy Timing Diagram No. 3 (Write with BUSY , Slave: CY7C142/CY7C146) Switching W aveforms (continued) Lef t Address V alid First: ADDRESS MA TCH t PS ADDRESS L BUSY R ADDRESS MISMA TCH t RC [...]

  • Page 11

    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. Right Side Clears INT R Figure 14. Right Side Set s INT L Figure 15. Right Side Clea rs INT L Switching W aveforms (continued) WRITE 7FF t INS ADDRESS L R/ W L t WC t EINS CE L t HA t SA [...]

  • Page 12

    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. SUPPL Y VOL T AGE NORMALIZED SUPPL Y CURRENT[...]

  • Page 13

    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 51-85004 52-Pin Plastic Leaded Chip Carrier Commercial CY7C136-15NC 51-85042 52-Pin Plastic Quad Flatpack 25 CY7C136-25JC 51-85004 52-Pin Plastic Leaded[...]

  • Page 14

    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. 52-Pin Plastic Quad Flatpack, 51-85042 51-85004-*A 51-85042-** [+] Feedback[...]

  • Page 15

    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. The informatio n contai ned herein is su bject to chan ge without no tice. [...]