English dropdown-ico

Cypress CY62147DV30 manual

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

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Cypress CY62147DV30, 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 CY62147DV30 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 CY62147DV30. 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 CY62147DV30 should contain:
- informations concerning technical data of Cypress CY62147DV30
- name of the manufacturer and a year of construction of the Cypress CY62147DV30 item
- rules of operation, control and maintenance of the Cypress CY62147DV30 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 CY62147DV30 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 CY62147DV30, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Cypress 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 CY62147DV30.

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 CY62147DV30 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

    4-Mbit (256K x 16) S t atic RAM CY62147DV30 Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1 709 • 408-9 43-2600 Document #: 38-05340 Rev . *F Revised August 31, 2006 Features • T emperature Range s — Industrial : –40°C to +85°C — Automotive-A: –40°C to +85°C — Automotive-E: –40°C to +125°C ?[...]

  • Page 2

    CY62147DV30 Document #: 38-05340 Rev . *F Page 2 of 12 Notes: 2. NC pins are not internally connected on the die. 3. DNU pins have to be left floati ng or tied to V SS to ensure proper application. 4. Pins H1, G2, and H6 in the VFBGA packag e are address ex p ansion pins for 8 Mb, 16 Mb, and 32 Mb, respectively . 5. T ypical values are included for[...]

  • Page 3

    CY62147DV30 Document #: 38-05340 Rev . *F Page 3 of 12 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 emp erature with Power Applied ........... ............................ ...... –55°C to +125°C Supply V o[...]

  • Page 4

    CY62147DV30 Document #: 38-05340 Rev . *F Page 4 of 12 Notes: 10. T ested initially and af t er any design or proc ess changes that may affect these p arameters. 1 1. T est condition for the 45-ns part is a load capacit ance of 30 pF . 12. Full device operation requ ires linea r V CC ramp from V DR to V CC(min.) > 100 µ s or stab le at V CC(min[...]

  • Page 5

    CY62147DV30 Document #: 38-05340 Rev . *F Page 5 of 12 Switching Characteristics Over the Operating Range [14] Parameter Description 45 ns [1 1] 55 ns 70 ns Unit Min. Max. Min. Max. Min. Max. Read Cycle t RC Read Cycle T ime 45 55 70 ns t AA Address to Data V alid 45 55 70 ns t OHA Data Hold from Address Change 10 10 10 ns t ACE CE LOW to Data V al[...]

  • Page 6

    CY62147DV30 Document #: 38-05340 Rev . *F Page 6 of 12 Switching W aveforms Read Cycle 1 (Ad dress T ransition Controlled) [18, 19] Read Cycle No. 2 (OE Controlled) [19, 20] Notes: 18. The device is contin uously selected . OE , CE = V IL , BHE and/or BLE = V IL . 19. WE is HIGH for read cycle. 20. Address valid prior to or coi ncident with C E an [...]

  • Page 7

    CY62147DV30 Document #: 38-05340 Rev . *F Page 7 of 12 Write Cycle No. 1 (WE Controlled) [17, 21, 22] Write Cycle No. 2 (CE Controlled) [17, 21, 22] Notes: 21. Data I/O is high impedance if OE = V IH . 22. If CE goes HIGH simulta neously with WE = V IH , the output rema ins in a high-impedance stat e. 23. During this period, the I/Os are in outp ut[...]

  • Page 8

    CY62147DV30 Document #: 38-05340 Rev . *F Page 8 of 12 Write Cycle No. 3 (WE Controlled, OE LOW) [22] Write Cycle No. 4 (BHE /BLE Controlled, OE LOW) [22] Switching W aveforms (continued) DATA IN t HD t SD t LZWE t PWE t SA t HA t AW t SCE t WC t HZWE CE ADDRESS WE DATA I/O NOTE 23 t BW BHE /BLE DATA I/O ADDRESS t SD t SA t HA t AW t WC CE WE DATA [...]

  • Page 9

    CY62147DV30 Document #: 38-05340 Rev . *F Page 9 of 12 T ruth T able CE WE OE BHE BLE Inputs/Outputs Mode Power H X X X X High Z Deselect/Power-Down S tandby (I SB ) X X X H H High Z Deselect/Power-Down S tandby (I SB ) L H L L L Data Out (I/O O –I/O 15 ) Read Active (I CC ) L H L H L Data Out (I/O O –I/O 7 ); I/O 8 –I/O 15 in High Z Read Act[...]

  • Page 10

    CY62147DV30 Document #: 38-05340 Rev . *F Page 10 of 12 Package Diagram A 1 A1 CORNER 0.75 0.75 Ø0.30±0.05(48X) Ø0.25 M C A B Ø0.05 M C B A 0.15(4X) 0.21±0.05 1.00 MAX C SEATING PLANE 0.55 MAX. 0.25 C 0.10 C A1 CORNER TOP VIEW BOTTOM VIEW 2 3 4 3.75 5.25 B C D E F G H 65 46 5 23 1 D H F G E C B A 6.00±0.10 8.00±0.10 A 8.00±0.10 6.00±0.10 B[...]

  • Page 11

    CY62147DV30 Document #: 38-05340 Rev . *F Page 1 1 of 12 © Cypress Semi con duct or C orpo ra ti on , 20 06 . The i nfo r mat ion con t ained herein is subject to ch an ge wi t hou t n oti ce. C ypr ess S em i c onductor Corpo ration assu mes no resp onsib ility for the u se of any circuitr y other than cir cuitry embodied in a Cypress product. No[...]

  • Page 12

    CY62147DV30 Document #: 38-05340 Rev . *F Page 12 of 12 Document History Page Document Title:CY62147DV30 MoBL ® 4-Mbit (256K x 16) St atic RAM Document Numb er: 38-05340 REV . ECN NO. Issue Date Orig. of Change Description of Chang e ** 127481 0 6/17/03 HRT New Data Sheet *A 131010 0 1/23/04 CBD Changed from Advance to Prel iminary *B 213252 See E[...]