English dropdown-ico

Cypress Semiconductor CY62146EV30 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 Semiconductor CY62146EV30, 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 CY62146EV30 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 CY62146EV30. 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 CY62146EV30 should contain:
- informations concerning technical data of Cypress Semiconductor CY62146EV30
- name of the manufacturer and a year of construction of the Cypress Semiconductor CY62146EV30 item
- rules of operation, control and maintenance of the Cypress Semiconductor CY62146EV30 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 CY62146EV30 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 CY62146EV30, 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 CY62146EV30.

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 CY62146EV30 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

    CY62146EV30 MoBL ® 4-Mbit (256K x 16) S t atic RAM Cypress Semiconduc tor Corporation • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 38-05567 Rev . * C Revised March 26, 2007 Features • V ery high speed: 45 ns • Wide voltage range: 2.20V–3.60V • Pin compatible with CY62146DV30 • Ultra low standby power ?[...]

  • Page 2

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 2 of 12 Logic Block Diagram Pin Configurations [3 , 4] 256K x 16 RAM Array IO 0 –IO 7 ROW DECODER A 8 A 7 A 6 A 5 A 2 COLUMN DECODER A 11 A 12 A 13 A 14 A 15 SENSE AMPS DATA IN DRIVERS OE A 4 A 3 IO 8 –IO 15 CE WE BHE A 16 A 0 A 1 A 9 A 10 BLE A 17 1 2 3 4 5 6 7 8 9 11 14 31 32 36 35 34 33 [...]

  • Page 3

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 3 of 12 Maximum Ratings Exceeding the maximum ratings may impair the useful life of the device. Thes e user guidelines are not te sted. S torage T emperature .............. .............. .... –65°C to + 150°C Ambient T emperature with Power Applied ........ ............................. ..[...]

  • Page 4

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 4 of 12 Cap acitance (For All Packages) [9] Parameter Des cription T est Conditions Max Unit C IN Input Capacitance T A = 25°C, f = 1 MHz, V CC = V CC(typ) 10 pF C OUT Output Capacit ance 10 pF Thermal Resist ance [9] Parameter Descripti on T est Conditions VFBGA Package TSOP II Package Unit ?[...]

  • Page 5

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 5 of 12 Switching Characteristics (Over the Operating Range) [1 1, 12] Parameter Description 45 ns Unit Min Max Read Cycle t RC Read Cycle T ime 45 ns t AA Address to Data V alid 45 ns t OHA Data Hold from Address Change 10 ns t ACE CE LOW to Data V alid 45 ns t DOE OE LOW to Data V alid 22 ns [...]

  • Page 6

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 6 of 12 Switching W aveforms Read Cycle 1 (Address Tr a nsition Controlled) [16, 17] Read Cycle No. 2 (OE C ontrolled) [17, 18] PREVIOUS DA T A V ALID DA T A V ALID t RC t AA t OHA ADDRESS DA T A OUT 50% 50% DATA VALID t RC t ACE t LZBE t LZCE t PU HIGH IMPEDANCE I CC t HZOE t HZCE t PD t HZBE [...]

  • Page 7

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 7 of 12 Write Cycle No. 1 (WE Controlled) [15, 19, 20] Write Cycle No. 2 (CE Controlled) [15, 19, 20] Switching W aveforms (continued) t HD t SD t PWE t SA t HA t AW t WC t HZOE DATA IN NOTE 21 t BW t SCE DATA IO ADDRESS CE WE OE BHE /BLE t HD t SD t PWE t HA t AW t SCE t WC t HZOE DATA IN t BW[...]

  • Page 8

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 8 of 12 Write Cycle No. 3 (WE Controlled, OE LOW) [20] Write Cycle No. 4 (BHE /BLE Controlled , OE LOW) [20] 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 t BW NOTE 21 CE ADDRESS WE DATA IO BHE /BLE t HD t SD t SA t HA t AW t WC DATA IN t BW t [...]

  • Page 9

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C 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 ) L X X H H High-Z Outpu t Disabled Active (I CC ) L H L L L Data Out (IO 0 –IO 15 ) Read Active (I CC ) L H L H L Data Out (IO 0 –IO 7 ); IO 8 –IO 15 in High-Z Read Active[...]

  • Page 10

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 10 of 12 Package Diagrams Figure 1. 48-ball VFBGA (6 x 8 x 1 mm), 51-85150 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[...]

  • Page 11

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 1 1 of 12 © Cypress Semicon ductor Corporation, 2006-20 07. The information contai ned herein is sub ject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than ci rcuitry embodied in a C ypress product. Nor does it convey [...]

  • Page 12

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 12 of 12 Document History Page Document Title:CY62146EV30 MoBL ® , 4-Mbit (256K x 16) St atic RAM Document Number: 38-05567 REV . ECN NO. Issue Date Orig. of Change D escription of Change ** 223225 See ECN AJU New Data Sheet *A 2 47373 See ECN SYT Changed Advance Information to Preliminary Mov[...]