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Cypress CY62148ESL manual

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Table of contents for the manual

  • Page 1

    CY62148ESL MoBL ® 4-Mbit (512K x 8) S t atic RAM Cypress Semiconducto r Corporation • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 001-50045 Rev . ** Revised January 21, 2 009 Features ■ V ery high speed: 55 ns ■ Wide voltage range: 2.2V to 3.6V and 4.5V to 5.5V ■ Ultra low standby power ❐ T ypical standby[...]

  • Page 2

    CY62148ESL MoBL ® Document #: 001-50045 Rev . ** Page 2 of 10 Pin Configuration Figure 1. 32-Pin STSOP (T op View) Product Port folio Product Range V CC Range (V) [1] Spee d (ns) Power Dissipation Operating I CC , (mA) St andby , I SB2 ( μ A) f = 1 MHz f = f max Ty p [2] Max Ty p [2] Max Ty p [2] Max CY62148ESL Industrial 2.2V to 3.6V and 4 .5V t[...]

  • Page 3

    CY62148ESL MoBL ® Document #: 001-50045 Rev . ** Page 3 of 10 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 emperat ure with Power Applied .... .............. .............. ........[...]

  • Page 4

    CY62148ESL MoBL ® Document #: 001-50045 Rev . ** Page 4 of 10 Cap acitance T ested initially and after any design or proce ss changes that may affect these parameters. Parameter Description T est Conditio ns Max Unit C IN Input Capacitance T A = 25°C, f = 1 MHz, V CC = V CC( ty p ) 10 pF C OUT Output Capacitance 10 pF Thermal Resist an ce T ested[...]

  • Page 5

    CY62148ESL MoBL ® Document #: 001-50045 Rev . ** Page 5 of 10 Dat a Retentio n Characteristics Over the Operating Range Parameter Description Conditions Min Ty p [2] Max Unit V DR V CC for Dat a Retention 1.5 V I CCDR Data Retention Current CE > V CC – 0.2V , V IN > V CC – 0.2V or V IN < 0.2V V CC = 1.5V 1 7 μ A t CDR [7] Chip Desele[...]

  • Page 6

    CY62148ESL MoBL ® Document #: 001-50045 Rev . ** Page 6 of 10 Switching Characteristics Over the Operating Range [9] Parameter Description 55 ns Unit Min Max Read Cycle t RC Read Cycle T ime 55 ns t AA Address to Data V alid 55 ns t OHA Data Hold from Address Change 10 ns t ACE CE LOW to Data V al id 55 ns t DOE OE LOW to Data V alid 25 ns t LZOE [...]

  • Page 7

    CY62148ESL MoBL ® Document #: 001-50045 Rev . ** Page 7 of 10 Switching W aveforms Figure 3. Read Cycle No. 1 (Address Transition Controlled) [13, 14] Figure 4. Read Cycle No. 2 (OE C ontrolled) [14, 15] Figure 5. Write Cycle No. 1 (WE Controlled, OE HIGH During Write) [16, 17] PREVIOUS DATA VALID DATA VALID RC t AA t OHA t RC ADDRESS DATA OUT 50%[...]

  • Page 8

    CY62148ESL MoBL ® Document #: 001-50045 Rev . ** Page 8 of 10 Figure 6. Write Cycle No. 2 (CE Controlle d) [16, 17] Figure 7. Write Cycle No. 3 (WE Controlled, OE LOW) [17] T ruth T able CE WE OE Inputs/Outputs Mode Power H X X High Z Deselect/Power Down S tandby (I SB ) L H L Data Out Read Active (I CC ) L H H High Z Output Disable d Active (I CC[...]

  • Page 9

    CY62148ESL MoBL ® Document #: 001-50045 Rev . ** Page 9 of 10 Ordering Information Speed (ns) Ordering Co de Package Diagram Package T ype Operating Range 55 CY62148ESL-55ZAXI 51-85094 32-Pin STSOP (Pb-Free) Industrial Package Diagram Figure 8. 32-Pin Shrunk Thin Small Outline Package (8 x 13.4 mm), 51-85094 51-85094-*D [+] Feedback[...]

  • Page 10

    Document #: 001-50045 Rev . ** Revised January 21, 2009 Page 10 of 10 MoBL is a registered trademark, and More Battery Life is a tradem ark, of Cypress Semiconducto r . All product and company names m entioned in this document are the trademarks of their respective holders. CY62148ESL MoBL ® © Cypress Semico nductor Corp oration, 200 9. The infor[...]