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FLEx36™ 3.3V 32K/64K/128K/256K x 36 Synchronous Dual-Port RAM CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1 709 • 408-943-2600 Document #: 38-06070 Rev .
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 2 of 32 Logic Block Diagram [1] A 0L –A 17L CLK L ADS L CNTEN L CNTRST L Tr u e RAM Array 18 Addr .
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 3 of 32 Pin Configurations Figure 1. 172-Ball BGA (T op View) 1 23456789 1 0 1 1 1 2 1 3 1 4 A DQ32L DQ30L CNTINTL .
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 4 of 32 Figure 2. 172-Ball BGA (T op View) Pin Configurations (continued) 123456789 1 0 1 1 1 2 1 3 1 4 A DQ32L DQ3.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 5 of 32 Figure 3. 176-Pin Th in Quad Flat Pack (TQ FP) (T op View) Pin Configurations (continued) 132 131 130 129 1.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 6 of 32 Pin Definitions Lef t Port Right Port Description A 0L –A 17L [1 ] A 0R –A 17R [1] Address Inputs . ADS L [3] ADS R [3] Address Strobe Input . Used as an address qua lifier .
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 7 of 32 Master Reset The FLEx36 family devices und ergo a complete reset by taking its MRST input LOW .
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 8 of 32 Address Counter and Mask Register Operations This section [10] describes the features only apply to CY7C0850A V/CY7C0851A V/CY7C0852A V devices, but not to the CY7C0853A V device.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 9 of 32 Counter Interrupt The counter interrupt (CNTINT ) is asserted LOW when an increment operation results in the unmasked portion of the counter register being a ll “1s.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 10 of 32 Figure 4. Counter , Mask, and Mirror Logic Blo ck Diagram [1] From Mask Register Mirror Counter Address De.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 1 1 of 32 Figure 5. Programmable Co unter-Mask Registe r Operation [1, 12] 2 16 2 15 2 6 2 1 2 5 2 2 2 4 2 3 2 0 2 .
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 12 of 32 IEEE 1 149.1 Serial Boundary Scan (JT AG) [13] Th e CY7C0850A V/CY7C0851A V/CY7C0852A V/CY7C0853A V incorporates an IEEE 1 149.1 serial boundary scan test access port (T AP).
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 13 of 32 Maximum Ratings Exceeding maximum ratings [15] may impair the useful life of the device. These user guidelines are not teste d. S torage T emperature .......
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 14 of 32 Figure 6. AC T est Load and Waveforms Switching Characteristics Over the Operating Range Parameter Descrip.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 15 of 32 t OE Output Enable to Data V alid 4.0 4.4 4.7 5.0 ns t OLZ [20, 21] OE to Low Z 0 0 0 0 ns t OHZ [20, 21] OE t o H i g h Z 04 . 004 . 404 . 705 . 0 n s t CD2 Clock to Data V alid 4.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 16 of 32 JT AG Timing Parameter Description 167/133 /100 Unit Min Max f JT AG Maximum JT AG T AP Controller Freque .
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 17 of 32 Switching W aveforms Figure 8. Master Rese t Figure 9. Read Cycle [4, 22, 23, 24, 25] MRST t RSR t RS INAC.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 18 of 32 Figure 10. Bank Select Read [26, 27] Figure 1 1 . Read -to-Write-to-Read (OE = LOW) [25, 28, 29, 30, 31] S.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 19 of 32 Figure 12. Read -to-Write-to-Read (OE Cont rolled) [2 5, 28, 30, 31] Figure 13.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 20 of 32 Figure 14. W rite with Addre ss Counter Advance [31] Figure 15.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 21 of 32 Figure 16. Disabled-to-Wri te-to-Read-to-W rite-to-Read Figure 17.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 22 of 32 Figure 18. Read-to-Readback -to-Read-to-Read (R/W = HIGH) Switching W aveforms (continued) CLK ADS ADDRESS.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 23 of 32 Figure 19. Co unter Reset [32, 3 3] Switching W aveforms (continued) CLK ADDRESS INTERNAL CNTEN ADS DATA I.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 24 of 32 Figure 20. Readback St ate of Address Counter or Mask Register [35, 36, 37, 38] Switching W aveforms (cont.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 25 of 32 Figure 21. Lef t_Port (L _Port) W r ite to Right_Port (R_Port) Read [39, 40, 41 ] Switching W aveforms (co.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 26 of 32 Figure 22. Counter In terrupt and Retransmit [34, 42, 43, 44, 45] Switching W aveforms (continued) t CH2 t.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 27 of 32 Figure 23. MailBox In terrupt T iming [46, 47, 48, 49, 50] T able 7.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 28 of 32 Ordering Information 256K × 36 (9M) 3.3V Synchronous CY7C0853A V Dual-Port SRAM Spee d (MHz) Ordering Code Package Diagram Package T ype Operating Range 133 CY7C0853A V-133BBC 51-851 14 172-Ball Grid Array (15 x 15 x 1.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 29 of 32 Package Diagrams Figure 24. 172-Ball FBGA (15 x 15 x 1.25 mm) (51-85114 ) 51-85114-*B [+] Feedback.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 30 of 32 Figure 25. 176-Pin Thin Quad Flat Pack (24 × 24 × 1.4 mm) (51-85132) Package Diagrams 51-85132-** [+] Fe.
CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V Document #: 38-06070 Rev . *H Page 31 of 32 Document History Page Document Title: CY7C0850A V/CY7C0851A V/CY7C0852A V/CY7C0853A V, FLEx36™ 3.3V 32K/64K/12 8K/256K x 36 Synchronous Dual-Po rt RAM Document Number: 38-06070 REV .
Document #: 38-06070 Rev . *H Revised July 29, 2008 Page 32 of 32 FLEx36 is a trade mark of Cypr ess Semiconductor Corporatio n. All product and compa ny names mentio ned in this docum ent may be th e tradem arks of thei r respec tive hold ers. CY7C0850A V, CY7C0851A V CY7C0852A V, CY7C0853A V © Cypress Sem iconductor Corp oration, 200 3-2008.
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