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Cypress CY62157EV30 - page 1
8-Mbit (512K x 16) S t atic RAM CY62157EV30 MoBL ® Cypress Semiconductor Corpora tion • 198 Champion Court • San J ose , CA 95134-1709 • 408-943-2600 Document #: 38-05445 Rev . *E Revised May 07, 2007 Features • TSOP I package configurable as 512K x 16 or as 1M x 8 SRAM • High speed: 45 ns • Wide voltage range: 2.20V–3.6 0V • Pin c ...
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Cypress CY62157EV30 - page 2
CY62157EV30 MoBL ® Document #: 38-05445 Rev . *E Page 2 of 14 Product Port folio Product Range V CC Range (V) Speed (ns) Power Dissipation Operating I CC , (mA) Stan db y , I SB2 ( µ A) f = 1MHz f = f max Min T yp [2] Max T yp [2] Max T y p [2] Max T yp [2] Max CY62157EV30LL Ind’l/Auto-A 2.2V 3.0 3.6 45 1.8 3 18 25 2 8 Pin Configuration The fol ...
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Cypress CY62157EV30 - page 3
CY62157EV30 MoBL ® Document #: 38-05445 Rev . *E Page 3 of 14 The following picture sh ows the 48-ball VFBGA pinout. [3, 4, 5] Pin Configuration (continued) WE V CC A 11 A 10 NC A 6 A 0 A 3 CE 1 IO 10 IO 8 IO 9 A 4 A 5 IO 11 IO 13 IO 12 IO 14 IO 15 V SS A 9 A 8 OE V SS A 7 IO 0 BHE CE 2 A 2 A 1 BLE V CC IO 2 IO 1 IO 3 IO 4 IO 5 IO 6 IO 7 A 15 A 14 ...
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Cypress CY62157EV30 - page 4
CY62157EV30 MoBL ® Document #: 38-05445 Rev . *E Page 4 of 14 Maximum Ratings Exceeding maximum ratings may sh orten the battery life of the device. User gui delines are not tested. S torage T emperature ............. .............. ..... – 65°C to + 150°C Ambient T emperature with Power Applied .......... ............................ ..... ? ...
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Cypress CY62157EV30 - page 5
CY62157EV30 MoBL ® Document #: 38-05445 Rev . *E Page 5 of 14 Thermal Resist ance [10] Parameter Descriptio n T est Conditions BGA TSOP I TSOP II Unit Θ JA Thermal Resistance (Junction to Ambient) S till Air , soldered on a 3 × 4.5 inch, two-layer printed circuit board 72 74.88 76.8 8 ° C/W Θ JC Thermal Resistance (Junction to Case) 8.86 8.6 1 ...
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Cypress CY62157EV30 - page 6
CY62157EV30 MoBL ® Document #: 38-05445 Rev . *E Page 6 of 14 Switching Characteristics Over the Operatin g Range [13, 14] Parameter Description 45 ns (Ind’l/Auto -A) Unit Min Max Read Cycle t RC Read Cycle Time 45 ns t AA Address to Data V alid 45 ns t OHA Data Hold from Address Change 10 ns t ACE CE 1 LOW and CE 2 HIGH to Dat a V alid 45 ns t ...
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Cypress CY62157EV30 - page 7
CY62157EV30 MoBL ® Document #: 38-05445 Rev . *E Page 7 of 14 Switching W aveforms Read Cycle No. 1 (Address T ransition Controlle d) [19, 20] Figure 3. Read Cycle No. 1 Read Cycle No. 2 (OE Controlled) [20, 21] Figure 4. Read Cycle No. 2 PREVIOUS DATA VALID DATA VALID RC t AA t OHA t RC ADDRESS DATA OUT 50% 50% DA T A V ALID t RC t ACE t DOE t LZ ...
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Cypress CY62157EV30 - page 8
CY62157EV30 MoBL ® Document #: 38-05445 Rev . *E Page 8 of 14 Write Cycle No. 1 (WE Controlled) [18, 22, 23 ] Figure 5. Write Cycle No. 1 Write Cycle No. 2 (CE 1 or CE 2 Controlled) [18, 22, 23] Figure 6. Write Cycle No. 1 Switching W aveforms (continued) t HD t SD t PWE t SA t HA t AW t SCE t WC t HZOE VA L I D D ATA t BW NOTE 24 CE 1 ADDRESS CE ...
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Cypress CY62157EV30 - page 9
CY62157EV30 MoBL ® Document #: 38-05445 Rev . *E Page 9 of 14 Write Cycle No. 3 (WE Controlled, OE LOW) [23] Figure 7. Write Cycle No. 3 Write Cycle No. 4 (BHE /BLE Controlled, OE LOW) [23] Figure 8. Write Cycle No. 4 Switching W aveforms (continued) VA L I D D ATA t HD t SD t LZWE t PWE t SA t HA t AW t SCE t WC t HZWE t BW NOTE 24 CE 1 ADDRESS C ...
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Cypress CY62157EV30 - page 10
CY62157EV30 MoBL ® Document #: 38-05445 Rev . *E Page 10 of 14 T ruth T able CE 1 CE 2 WE OE BHE BLE Inputs/Outputs Mode Power H X X X X X High-Z Deselect/Power Down S tandby (I SB ) X L X X X X High-Z Deselect/Power Down S tandby (I SB ) X X X X H H High-Z Deselect/Power Down S tandby (I SB ) L H H L L L Data Out (IO 0 –IO 15 ) Read Active (I C ...
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Cypress CY62157EV30 - page 11
CY62157EV30 MoBL ® Document #: 38-05445 Rev . *E Page 1 1 of 14 Package Diagrams Figure 9. 48-Pin 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 ...
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Cypress CY62157EV30 - page 12
CY62157EV30 MoBL ® Document #: 38-05445 Rev . *E Page 12 of 14 Figure 10. 44-Pin TSOP II, 51-85087 Package Diagrams (continued) 51-85087-*A [+] Feedback ...
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Cypress CY62157EV30 - page 13
CY62157EV30 MoBL ® Document #: 38-05445 Rev . *E Page 13 of 14 © Cypress Semico nductor Corporation, 200 4 -2007. The infor mation cont ained herein is subject to chang e without notice . Cypress S emicond uctor Corporation assumes no resp onsibility for the use of any circuitr y other than circuitry embodied in a Cypress product . Nor does it co ...
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Cypress CY62157EV30 - page 14
CY62157EV30 MoBL ® Document #: 38-05445 Rev . *E Page 14 of 14 Document History Page Document Title: CY62157EV30 MoBL ® , 8-Mbit (512K x 16) St atic RAM Document Number: 38-05445 REV . ECN NO. Issue Date Orig. o f Change Description of Change ** 202940 See ECN AJU New Data Sheet *A 291272 See ECN SYT Converted from Advance Information to Prelimin ...
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