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Cypress CY62146E MoBL manual

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Table of contents for the manual

  • Page 1

    CY62146E MoBL ® 4-Mbit (256K x 16) S tatic RAM Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document Number: 001-07970 Rev . *D Revised February 01, 2008 Features ■ V ery high speed: 45 ns ■ Wide voltage range: 4.5V–5.5V ■ Ultra low standby power ❐ T ypical standby current: 1 μ [...]

  • Page 2

    CY62146E MoBL ® Document Number: 001-07970 Rev . *D Page 2 of 1 1 Pin Configuration Figure 1. 44-Pin TSO P II (T op View) [1] Product Port folio Product Range V CC Range (V) Speed (ns) Power Dissip ation Operating I CC , (mA) Stan db y , I SB2 ( μ A) f = 1 MHz f = f max Min Ty p [2] Max Ty p [2] Max Ty p [2] Max Ty p [2] Max CY62146ELL Ind’l/Au[...]

  • Page 3

    CY62146E MoBL ® Document Number: 001-07970 Rev . *D Page 3 of 1 1 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 emperatur e with Power Applied .......... .............. ........ .....[...]

  • Page 4

    CY62146E MoBL ® Document Number: 001-07970 Rev . *D Page 4 of 1 1 Figure 2. AC T est Load s and Waveforms Parameters 5.0V Unit R1 1800 Ω R2 990 Ω R TH 639 Ω V TH 1.77 V Dat a Retention Characteristics Over the Operating Range Parameter Description Conditions Min Ty p [2] Max Unit V DR V CC for Data Retention 2 V I CCDR [6] Data Retention Curren[...]

  • Page 5

    CY62146E MoBL ® Document Number: 001-07970 Rev . *D Page 5 of 1 1 Switching Characteristics Over the Operating Range [9, 10] Parameter Description 45 ns (Ind ’l/Auto-A) 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 [...]

  • Page 6

    CY62146E MoBL ® Document Number: 001-07970 Rev . *D Page 6 of 1 1 Switching W aveforms Figure 4. Read Cycle No.1: Address T ransition Controlled . [14, 15] Figure 5. Read Cycle No. 2: OE Controlled [15, 16] PREVIOUS DATA VALID DATA VALID RC t AA t OHA t RC ADDRESS DATA OUT 50% 50% DATA VALID t RC t ACE t LZBE t LZCE t PU HIGH IMPEDANCE I CC t HZOE[...]

  • Page 7

    CY62146E MoBL ® Document Number: 001-07970 Rev . *D Page 7 of 1 1 Figure 6. Write Cycle No 1: WE Controlled [1 3, 17, 18] Figure 7. Write Cycle 2: CE Cont ro lled [13, 17, 18] Switching W aveforms (con tinued) t HD t SD t PWE t SA t HA t AW t WC t HZOE DATA IN NOTE 19 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 W[...]

  • Page 8

    CY62146E MoBL ® Document Number: 001-07970 Rev . *D Page 8 of 1 1 Figure 8. Write Cycle 3: WE controlled, OE LOW [18] Figure 9. Write Cycle 4: BHE /BLE Controlled, OE LOW [18] Switching W aveforms (con tinued) 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 19 CE ADDRESS WE DATA IO BHE /BLE t HD t SD t SA t HA t AW t WC D[...]

  • Page 9

    CY62146E MoBL ® Document Number: 001-07970 Rev . *D Page 9 of 1 1 T a ble 1. T ruth T able CE WE OE BHE BLE Input s/Output s Mode Power H X X X X High-Z Deselect/Power down S tandby (I SB ) L X X H H High-Z Output D i sabled Active (I CC ) L H L L L Data Out (IO 0 –IO 15 ) Read Active (I CC ) LHLHL D a t a O u t ( I O 0 –IO 7 ); IO 8 –IO 15 [...]

  • Page 10

    CY62146E MoBL ® Document Number: 001-07970 Rev . *D Page 10 of 1 1 Package Diagrams Figure 10. 44-Pin TSOP II, 51-85087 51-85087-* A [+] Feedback [+] Feedback[...]

  • Page 11

    Document Number: 001-07970 Rev . *D Re vised February 01, 2008 Page 1 1 of 1 1 MoBL is a reg istered trademar k and More Batt ery Life is a trad emark of Cypress Semiconducto r. All produ ct and company names men tioned in this document are the tradem arks of their respectiv e holders. CY62146E MoBL ® © Cypress Sem iconductor Corp oration, 2006-2[...]