English dropdown-ico

Cypress CY14B108L manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

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 CY14B108L, 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 CY14B108L 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 CY14B108L. 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 CY14B108L should contain:
- informations concerning technical data of Cypress CY14B108L
- name of the manufacturer and a year of construction of the Cypress CY14B108L item
- rules of operation, control and maintenance of the Cypress CY14B108L 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 CY14B108L 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 CY14B108L, 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 CY14B108L.

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 CY14B108L 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

    PRELIMINARY CY14B108L, CY14B108N 8 Mbit (1024K x 8/512K x 16) nvSRAM Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 001-45523 Rev . *B Revised Marc h 19, 2009 Features ■ 20 ns, 25 ns, and 45 ns Access Times ■ Internally organized as 102 4K x 8 (CY14B108L) or 512K x 16 (CY14B10[...]

  • Page 2

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 2 of 24 Pinout s Figure 1. Pin Diagram - 48 FBG A Figure 2. Pin Diag ram - 44/54-Pin TSOP II WE V CC A 11 A 10 V CAP A 6 A 0 A 3 CE NC NC DQ 0 A 4 A 5 NC DQ 2 DQ 3 NC V SS A 9 A 8 OE V SS A 7 NC NC NC A 17 A 2 A 1 NC V CC DQ 4 NC DQ 5 DQ 6 NC DQ 7 NC A 15 A 14 A 13 A 12 HSB 3 2 6 [...]

  • Page 3

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 3 of 24 T able 1. Pin Definitions Pin Name I/O T yp e Description A 0 – A 19 Input Address Inputs Used to Sele ct one of the 1, 048,576 bytes of the nvSRAM fo r x8 Configuration . A 0 – A 18 Address Inputs Used to Select one of the 524,288 words of the n vSRAM for x16 Configur[...]

  • Page 4

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 4 of 24 Device Operation The CY14B108L/CY1 4B108N nvSRAM is made up of two functional components paired in the same physical cell. They are a SRAM memory cell and a n onvolatile QuantumTrap cell. The SRAM memory cell operates as a standard fast static RAM. Data in the SRAM is tran[...]

  • Page 5

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 5 of 24 STORE operation is complet ed, the CY14B108L/CY14B108N remains disabled until the HSB pin returns HIGH. Leave the HSB unconnected if it is not used. Hardware RECALL (Power Up) During power up or after any low power condition (V CC <V SWITCH ), an internal RECALL re ques[...]

  • Page 6

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 6 of 24 T able 2. Mod e Selection CE WE OE, BHE , BLE [3] A 15 - A 0 [5] Mode IO Power H X X X Not Selected Output High Z S tandby L H L X Read SRAM Output Data Active L L X X Write SRAM Input Data Active L H L 0x4E38 0xB1C7 0x83E0 0x7C1F 0x703F 0x8B45 Read SRAM Read SRAM Read SRA[...]

  • Page 7

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 7 of 24 Preventing AutoStore The AutoS t ore function is disabled by initiating an AutoS tore disable sequence. A sequence of read ope rations is performed in a manner si milar to the Software STORE initiation. T o initiate the AutoS tore disa ble sequence, the followi ng sequence[...]

  • Page 8

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 8 of 24 Maximum Ratings Exceeding maximum ratings may impair the useful life of the device. These us er guidelines are not teste d. S torage T emperature ............. .............. ....... –65 ° C to +150 ° C Maximum Accumulated S torage Time At 150 ° C Ambient T emperature[...]

  • Page 9

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 9 of 24 AC T est Conditions Input Pulse Levels ...... ............... .............. ........... ...... 0V to 3V Input Rise and Fall T imes (10% - 90%) ................. ....... < 3 ns Input and Output T iming Reference Levels ........ ............ 1.5V Dat a Retention and Endu[...]

  • Page 10

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 10 of 24 AC Switching Characteristics Parameters Descriptio n 20 ns 25 ns 45 ns Unit Cypress Parameters Alt Parameters Min Max Min Max Min Ma x SRAM Read Cy cle t ACE t ACS Chip Enable Access Time 20 25 45 ns t RC [1 1] t RC Read Cycle T ime 2 0 25 45 ns t AA [12] t AA Address Acc[...]

  • Page 11

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 1 1 of 24 Figure 6. SRAM Read Cycl e #2: CE and OE Controlled [3, 1 1, 15] Figure 7. SRAM Write Cycle #1: WE Controlled [3, 14, 15, 16] Ad dress V alid Ad dre ss Data Output Ou tput Data Vali d Stand by Active High Impedance CE OE BHE, BLE I CC t HZCE t RC t ACE t AA t LZC E t DO [...]

  • Page 12

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 12 of 24 Figure 8. SRAM W rite Cycle #2: CE Controll ed [3, 14, 15, 16] Figure 9. SRAM Write Cycle #3: BHE and BLE Controlled [3, 14, 15, 16] D ata Ou tput Da ta Inpu t In put D ata Valid High Impedance Addr ess Val id Ad dre ss t WC t SD t HD BHE , BLE WE CE t SA t SCE t HA t BW [...]

  • Page 13

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 13 of 24 AutoStore/Power Up RECALL Parameters Descrip tion 20 ns 25 ns 45 ns Unit Min Max Min Max Min Max t HRECALL [17] Power Up RECALL Duration 20 20 20 ms t STORE [18] ST ORE Cycle Duration 8 8 8 ms t DELA Y [19] T ime Allowed to Complete SR AM Cycle 20 25 25 ns V SWITCH Low V [...]

  • Page 14

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 14 of 24 Sof tware Controlled STORE/RECALL Cycle In the following table, the software controlled STORE and RECALL cycle parameters are listed. [22, 23] Parameters Descrip tion 20 ns 25 ns 45 ns Unit Min Max Min Max Min Max t RC STORE/RECALL Initiation Cycle T ime 20 25 45 ns t SA [...]

  • Page 15

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 15 of 24 Hardware STORE Cycle Parameters Description 20 ns 25 ns 45 ns Unit Min Max Min Max Min Max t DHSB HSB T o Output Active Time when write latch not set 20 25 25 ns t PHSB Hardware STORE Pulse Wid th 15 15 15 ns t SS [24, 25] Soft Sequence Processing T ime 100 100 100 μ s S[...]

  • Page 16

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 16 of 24 T ruth T able For SRAM Operations HSB should remain HIGH for SRAM Operations. For x8 Configuration CE WE OE Inputs/Outputs [2 ] Mode Power H X X High Z Deselect/Power down S tandby L H L Data Out (DQ 0 –DQ 7 ); Read Active L H H High Z Output Disabled Active L L X Data [...]

  • Page 17

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 17 of 24 Ordering Information Speed (ns) Ordering Code Package Diagram Package T ype Operating Range 20 CY14B108L-ZS20XCT 51-85087 44-pin TSOP II Commercial CY14B108L-ZS20XC 51-850 87 44-pin TSOP II CY14B108L-ZS20XIT 51-85087 44-pin TSOP II Industrial CY14B108L-ZS20XI 51-85087 44-[...]

  • Page 18

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 18 of 24 45 CY14B108L-ZS45XCT 51-85087 44-pin TSOP II Commercial CY14B108L-ZS45XC 51-850 87 44-pin TSOP II CY14B108L-ZS45XIT 51-85087 44-pin TSOP II Industrial CY14B108L-ZS45XI 51-85087 44-p in TSOP II CY14B108L-BA45XCT 51-85128 48-ball FBGA Commercial CY14B108L-BA45XC 51-85128 48[...]

  • Page 19

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 19 of 24 Part Numbering Nomenclature Option: T - T ape & Reel Blank - S td. S peed: 20 - 20 ns 25 - 25 ns Data Bus: L - x8 N - x16 Density: 108 - 8 Mb V oltage: B - 3.0V Cypress CY 14 B 108L-ZS P 20 X C T NVSRAM 14 - Auto Store + Software STORE + Hardware STORE T emperature: C[...]

  • Page 20

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 20 of 24 Package Diagrams Figure 15. 44-Pin TSOP II (51-85087) MAX MIN. DIMENSION IN MM (INCH) 11.938 (0.470) PLANE SEATING PIN 1 I.D. 44 1 18.517 (0.729) 0.800 BSC 0° -5° 0.400(0.016) 0.300 (0.012) EJECTOR PIN R G O K E A X S 11.735 (0.462) 10.058 (0.396) 10.262 (0.404) 1.194 ([...]

  • Page 21

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 21 of 24 Figure 16. 48 -Ball FBGA - 6 mm x 10 mm x 1.2 mm (51-8512 8) Package Diagrams (continued) 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 1.20 MAX C SEATING PLANE 0.53±0.05 0.25 C 0.15 C A1 CORNER TOP VIEW BOTTOM VIEW 2 3 4 3.7[...]

  • Page 22

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 22 of 24 Figure 17. 54-Pin TSOP II (51-85160) Package Diagrams (continued) 51-85160 -** [+] Feedback[...]

  • Page 23

    PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 23 of 24 Document History Page Document Title: CY14B108L/CY14B108N 8 Mbit (1024K x 8/512K x 16) nvSRAM Document Number: 001-45523 Rev . ECN No. Orig. of Change Submission Date Descriptio n of Change ** 2428826 GVCH See ECN New Data Sheet *A 2520023 GVCH/PYRS 06/23/08 Updated I CC1[...]

  • Page 24

    Document #: 001-45523 Rev . *B Revised March 19, 2009 Page 24 of 24 AutoS tore and QuantumT rap are registered trademar ks of Cypress Semicondu ctor Corporation . All product s and company na mes mentio ned in this document are the trademark s of their respe ctive holders. PRELIMINARY CY14B108L, CY14B108N © Cypress Semicondu ctor Corporati on, 200[...]