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Cypress CY7C1518JV18 - page 1
72-Mbit DDR-II SRAM 2-W ord Burst Architecture CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document Number: 001-12559 Rev . *D Revised June 25, 2008 Features ■ 72-Mbit density (8M x 8, 8M x 9, 4M x 18, 2M x 36) ■ 300 MHz clock for h ...
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Cypress CY7C1518JV18 - page 2
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 2 of 26 Logic Block Diagram (CY7C1516JV18) Logic Block Diagram (CY7C1527JV18) Wri te Reg Wri te Reg CLK A (21:0) Gen. K K Control Logic Address Register Read Add. Decode Read Data Reg. R/W Output Logic Reg. Reg. Reg. 8 16 8 NWS [1:0] V REF Write Add. Deco ...
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Cypress CY7C1518JV18 - page 3
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 3 of 26 Logic Block Diagram (CY7C1518JV18) Logic Block Diagram (CY7C1520JV18) Wri te Reg Writ e Reg CLK A (21:0) Gen. K K Control Logic Address Register Read Add. Decode Read Data Reg. R/W Output Logic Reg. Reg. Reg. 18 36 18 BWS [1:0] V REF Write Add. De ...
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Cypress CY7C1518JV18 - page 4
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 4 of 26 Pin Configuration The pin configuration for CY7C1516JV18, CY7C1527 JV18, CY7C1518JV18, and CY7C1520JV18 follow . [1] 165-Ball FBGA (15 x 17 x 1 .4 mm) Pinout CY7C1516JV18 (8M x 8) 123456789 10 11 A CQ AA R / W NWS 1 K NC/144M LD AA C Q B NC NC NC ...
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Cypress CY7C1518JV18 - page 5
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 5 of 26 CY7C1518JV18 (4 M x 18) 123456789 10 11 A CQ AA R / W BWS 1 K NC/14 4M LD AA C Q B NC DQ9 NC A NC/28 8M K BWS 0 AN C N C D Q 8 C NC NC NC V SS AA 0A V SS NC DQ7 NC D NC NC DQ10 V SS V SS V SS V SS V SS NC NC NC E NC NC DQ1 1 V DDQ V SS V SS V SS V ...
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Cypress CY7C1518JV18 - page 6
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 6 of 26 Pin Definitions Pin Name IO Pin Descripti on DQ [x:0] Input Output- Synchronous Dat a Input Output S ignals . Inputs are sampled on the rising edge of K and K clocks during valid write operations. The se pins drive out the requested data w hen the ...
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Cypress CY7C1518JV18 - page 7
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 7 of 26 CQ Output Clock CQ is Referenced with Respect to C . This is a free running clock and is synchronized to the input cl ock for output data (C) of the DDR-II. In the single clock mode, CQ is generated wi th respect to K. The timing for the echo cloc ...
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Cypress CY7C1518JV18 - page 8
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 8 of 26 Functional Overview The CY7C1516JV18, CY7C152 7JV18, CY7C1518JV18, and CY7C1520JV18 are synchronous pipelined Burst SRAMs equipped with a DDR interface, which operates with a read latency of one and a half cycles when DOFF pi n is tied HIGH. When ...
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Cypress CY7C1518JV18 - page 9
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 9 of 26 Depth Expansion Depth expansion requires replicating the LD control signal for each bank. All other co ntrol signals can be common between banks as appropriate. Programmable I mpedance An external resistor , RQ, must be connected between the ZQ pi ...
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Cypress CY7C1518JV18 - page 10
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 10 of 26 T ruth T able The truth table for the CY7C1516JV18, CY7C1 527JV1 8, CY7C1518JV18, and CY7C1520JV18 follow s. [2, 3, 4, 5, 6, 7] Operation K LD R/W DQ DQ Write Cycle: Load address; wait one cycle; input write data on consecutive K and K rising edg ...
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Cypress CY7C1518JV18 - page 11
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 1 1 of 26 Write Cycle Descriptions The write cycle description tabl e for CY7C1527JV18 follows. [2, 8] BWS 0 K K Comments L L–H – During the data portion of a write sequence, th e single byte (D [8:0] ) is written into the device. L – L–H During t ...
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Cypress CY7C1518JV18 - page 12
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 12 of 26 IEEE 1 149.1 Serial Boundary Scan (JT AG) These SRAMs incorporate a serial boundary scan T est Access Port (T AP) in the FBGA p ackage. This part is fully comp liant with IEEE S tandard #1 149.1 -2001. The T AP operates using JEDEC standard 1.8V ...
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Cypress CY7C1518JV18 - page 13
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 13 of 26 IDCODE The IDCODE instruction loads a vendor-specific, 32-bi t code into the instruction re gister . It a lso places the instruction register between the TDI and TDO pins and shifts the IDCODE out of the device when the T AP controller enters the ...
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Cypress CY7C1518JV18 - page 14
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 14 of 26 T AP Controller St ate Diagram The state diagram for the T AP controller follows. [9] TEST -LOGIC RESET TEST -LOGIC / IDLE SELECT DR-SCAN CAPTURE-DR SHIFT -DR EXIT1-DR P AUSE-DR EXIT2-DR UPDA TE-DR 1 0 1 1 0 1 0 1 0 0 0 1 1 1 0 1 0 1 0 0 0 1 0 1 ...
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Cypress CY7C1518JV18 - page 15
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 15 of 26 T AP Controller Block Diagram T AP Electrical Characteristics Over the Operating Range [10, 1 1, 12] Parameter Description T est Conditions Min Max Unit V OH1 Output HIGH V oltage I OH = − 2.0 mA 1.4 V V OH2 Output HIGH V oltage I OH = − 100 ...
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Cypress CY7C1518JV18 - page 16
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 16 of 26 T AP AC Switching Characteristics Over the Operating Range [13, 14] Parameter Description Min Max Unit t TCYC TCK Clock Cycle Time 50 ns t TF TCK Clock Frequency 20 MHz t TH TCK Clock HIGH 20 ns t TL TCK Clock LOW 20 ns Setup Times t TMSS TMS Set ...
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Cypress CY7C1518JV18 - page 17
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 17 of 26 Identification R egi ster Definitions Instruction Field Va l u e Description CY7C1516JV18 CY7C1527JV18 CY7C1 518JV18 CY7C1520JV18 Revision Numb er (31:29) 000 000 000 00 0 V ersion numbe r . Cypress Device ID (28:12) 1 10101 00010000100 1 1010100 ...
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Cypress CY7C1518JV18 - page 18
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 18 of 26 Boundary Scan Order Bit # Bump ID Bit # Bump ID Bit # Bump ID Bit # Bump ID 0 6R 28 10G 56 6A 84 1J 1 6 P2 9 9 G 5 7 5 B8 5 2 J 2 6N 30 1 1F 58 5A 86 3K 3 7P 31 1 1G 59 4A 87 3J 4 7 N3 2 9 F 6 0 5 C8 8 2 K 5 7R 33 10F 61 4B 89 1K 6 8R 34 1 1E 62 ...
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Cypress CY7C1518JV18 - page 19
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 19 of 26 Power Up Sequence in DDR-II SRAM DDR-II SRAMs must be power ed up and initialized in a predefined manner to prevent unde fined operations. Power Up Sequence ■ Apply power and drive DO FF either HIGH or LOW (all other inputs can be HIGH or LOW). ...
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Cypress CY7C1518JV18 - page 20
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 20 of 26 Maximum Ratings Exceeding maximum ratin gs may impair the useful life o f the device. These user guidelines are not teste d. S torage T emperature ........................ ......... –65°C to +150°C Ambient T emp e rature with Pow e r App l i ...
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Cypress CY7C1518JV18 - page 21
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 21 of 26 AC Electrical Characteristics Over the Operating Range [1 1] Parameter Description T est Cond iti ons Min Ty p Max Unit V IH Input HIGH V oltage V REF + 0.2 – – V V IL Input LOW V oltage – – V RE F – 0.2 V Cap acit ance T ested initiall ...
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Cypress CY7C1518JV18 - page 22
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 22 of 26 Switching Characteristics Over the Operating Range [20] Cypress Parameter Consor tium Parameter Description 30 0 MHz 250 MHz Unit Min Max Min Max t POWER V DD (T ypical) to the first Access [22] 1–1– m s t CYC t KHKH K Clock and C Clock Cycle ...
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Cypress CY7C1518JV18 - page 23
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 23 of 26 Switching W aveforms Figure 5. Read/Write/Deselect Sequence [2 6, 27, 28 ] READ READ READ NOP NOP WRITE WRITE NOP 1 23 4 56 7 8 9 1 0 Q40 t KHCH t CO t t HC t t HA t SD t HD t KHCH t SD t HD DON’ T CARE UNDEFINED t CLZ t DOH t CHZ SC t KH t KHK ...
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Cypress CY7C1518JV18 - page 24
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 24 of 26 Ordering Information Not all of the speed, package, and temper ature ranges are available. Please cont act your local sale s representative or visit www .cypress.com for actual products offered. Spee d (MHz) Ordering Code Package Diagram Package ...
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Cypress CY7C1518JV18 - page 25
CY7C1516JV18, CY7C1527JV18 CY7C1518JV18, CY7C1520JV18 Document Number: 001-12559 Rev . *D Page 25 of 26 Package Diagram Figure 6. 165 - B a ll FBGA (15 x 17 x 1.40 mm ), 51- 85195 ! 0).#/2.%2 ¼ ¼ ? ...
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Cypress CY7C1518JV18 - page 26
Document Number: 001-12559 Rev . *D Revised June 25, 2008 Page 26 of 26 QDR RAMs an d Quad Data Rate RAMs comp rise a new family of product s develope d by Cypress, IDT , NEC, Renesas, and Samsung. A ll pr oduct an d company n ames mentione d in this do cument are the tr ad emarks of their respe ctive hold ers. CY7C1516JV18, CY7C1527JV18 CY7C1518JV ...
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