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Manuale per l’uso Cypress CY7C1527AV18

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  • Cypress CY7C1527AV18 - page 1

    72-Mbit DDR-II SRAM 2-W ord Burst Architecture CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document Number: 001-06982 Rev . *D Revised June 16, 2008 Features ■ 72-Mbit density (8M x 8, 8M x 9, 4M x 18, 2M x 36) ■ 300 MHz clock f ...

  • Cypress CY7C1527AV18 - page 2

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 2 of 30 Logic Block Diagram (CY7C1516A V18) Logic Block Diagram (CY7C1527A V18) 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 ...

  • Cypress CY7C1527AV18 - page 3

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 3 of 30 Logic Block Diagram (CY7C1518A V18) Logic Block Diagram (CY7C1520A V18) 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 A ...

  • Cypress CY7C1527AV18 - page 4

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 4 of 30 Pin Configuration The pin configuration for CY7C1516A V18, CY7C1527 A V18, CY7C1518A V18, and CY7C1 520A V18 follow . [1] 165-Ball FBGA (15 x 17 x 1 .4 mm) Pinout CY7C1516A V18 (8M x 8) 123456789 10 11 A CQ AA R / W NWS 1 K NC/144M LD AA C Q B ...

  • Cypress CY7C1527AV18 - page 5

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 5 of 30 CY7C1518A V18 (4M 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/288M 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 S ...

  • Cypress CY7C1527AV18 - page 6

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 6 of 30 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 ...

  • Cypress CY7C1527AV18 - page 7

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 7 of 30 CQ Output Clock CQ Referenced with Respect to C . This is a free running clock and is synchronized to the input clock 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 ...

  • Cypress CY7C1527AV18 - page 8

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 8 of 30 Functional Overview The CY7C1516A V18, CY7C152 7A V18, CY7C1518A V18, and CY7C1520A V18 are synchronous pipel ined 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 HI ...

  • Cypress CY7C1527AV18 - page 9

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 9 of 30 current data. The SRAM does this by bypassing the memory array and readin g th e da t a from the registe rs. Depth Expansion Depth expansion requires replicating the LD control signal for each bank. All other co ntrol signals can be common bet ...

  • Cypress CY7C1527AV18 - page 10

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 10 of 30 T ruth T able The truth table for the CY7C1516A V18, CY7C1527A V18, CY7C1518 A V18, and CY7C1 520A V18 follow . [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 ris ...

  • Cypress CY7C1527AV18 - page 11

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 1 1 of 30 Write Cycle Descriptions The write cycle description tabl e for CY7C1527A V18 follows. [2, 8] BWS 0 K K L L–H – During the Data portion of a write sequence, the single byte (D [8:0] ) is written int o the de vi ce . L – L–H Du ring t ...

  • Cypress CY7C1527AV18 - page 12

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 12 of 30 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 ...

  • Cypress CY7C1527AV18 - page 13

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 13 of 30 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 ...

  • Cypress CY7C1527AV18 - page 14

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 14 of 30 T AP Controller St ate Diag ram 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 ...

  • Cypress CY7C1527AV18 - page 15

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 15 of 30 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 = − ...

  • Cypress CY7C1527AV18 - page 16

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 16 of 30 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 ...

  • Cypress CY7C1527AV18 - page 17

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 17 of 30 Identification R egi ster Definitions Instruction Field Va l u e De scription CY7C1516A V18 CY7C1527A V1 8 CY7C1518A V18 CY7C1520A V18 Revision Numb er (31:29) 000 000 000 000 V ersion number . Cypress Device ID (28:12) 1 10 10100010000100 1 ...

  • Cypress CY7C1527AV18 - page 18

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 18 of 30 Boundary Scan Order Bit # Bump ID Bit # Bump ID Bit # Bump ID Bit # Bum p 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 1 ...

  • Cypress CY7C1527AV18 - page 19

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 19 of 30 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 L ...

  • Cypress CY7C1527AV18 - page 20

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 20 of 30 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 empe r at ur e with Power Appl ...

  • Cypress CY7C1527AV18 - page 21

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 21 of 30 I DD [19] V DD Operating Supply V DD = Max, I OUT = 0 mA, f = f MAX = 1/t CYC 200MHz (x8) 700 mA (x9) 700 (x18) 700 (x36) 735 167MHz (x8) 650 mA (x9) 650 (x18) 650 (x36) 650 I SB1 Automatic Power down Current Max V DD , Both Ports Deselected, ...

  • Cypress CY7C1527AV18 - page 22

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 22 of 30 Cap acit ance T ested initially and after any design or process change that may affect these parameters. Parameter Description T est Conditions Max Unit C IN Input Capacitance T A = 25 ° C, f = 1 MHz, V DD = 1.8V , V DDQ = 1.5V 5.5 pF C CLK ...

  • Cypress CY7C1527AV18 - page 23

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 23 of 30 Switching Characteristics Over the Operating Range [20, 21] Cypress Parameter Consor tium Parameter Description 300 MHz 278 MHz 250 MHz 20 0 MH z 167 MHz Unit Min Max Min Max Min Max Min Max Min Max t POWER V DD (T ypical) to the First Access ...

  • Cypress CY7C1527AV18 - page 24

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 24 of 30 Output T imes t CO t CHQV C/C Clock Rise (or K/K in single clock mode) to Data V alid – 0.45 – 0.45 – 0.45 – 0.45 – 0.50 ns t DOH t CHQX Data Output Hold af ter Output C/C Clock Rise (Active to Active) –0.45 – – 0.45 – –0. ...

  • Cypress CY7C1527AV18 - page 25

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 25 of 30 Switching W aveforms Figure 5. Read/Write/Deselect Sequence [2 7, 28, 29 ] 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 ...

  • Cypress CY7C1527AV18 - page 26

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 26 of 30 Ordering Information Not all of the speed, package and temperature ranges are ava ilable. Please contact your local sales representative or visit www .cypress.com for actual products offered. Spee d (MHz) Ordering Code Package Diagram Package ...

  • Cypress CY7C1527AV18 - page 27

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 27 of 30 250 CY7C1516A V18-250BZC 51-85195 1 65-Ball Fine Pitch Ball Grid Array (15 x 17 x 1.4 mm) Commercial CY7C1527A V18-250BZC CY7C1518A V18-250BZC CY7C1520A V18-250BZC CY7C1516A V18-250BZXC 5 1-85195 165-Ball Fine Pi tch Ball Grid Array (15 x 17 ...

  • Cypress CY7C1527AV18 - page 28

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 28 of 30 167 CY7C1516A V18-167BZC 51-85195 1 65-Ball Fine Pitch Ball Grid Array (15 x 17 x 1.4 mm) Commercial CY7C1527A V18-167BZC CY7C1518A V18-167BZC CY7C1520A V18-167BZC CY7C1516A V18-167BZXC 5 1-85195 165-Ball Fine Pi tch Ball Grid Array (15 x 17 ...

  • Cypress CY7C1527AV18 - page 29

    CY7C1516A V18, CY7C1527A V18 CY7C1518A V18, CY7C1520A V18 Document Number: 001-06982 Rev . *D Page 29 of 30 Package Diagram Figure 6. 165-Ball FBGA (15 x 17 x 1.4 mm), 51-85195 !  0).#/2.%2 ¼ ¼   ? ...

  • Cypress CY7C1527AV18 - page 30

    Document Number: 001-06982 Rev . *D Revised June 16, 2008 Page 30 of 30 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. All pr oduct and co mpany names mentioned i n this documen t are the tr ad emarks of their respe ctive hold ers. CY7C1516A V18, CY7C1527A V18 CY7C1518A ...

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Tutti sono importanti, ma le informazioni più importanti dal punto di vista di utilizzo del dispositivo possono essere trovate nel manuale per l’uso Cypress CY7C1527AV18.

Un gruppo di documenti denominato manuali per l’uso, è anche suddiviso in tipi più specifici, come: Manuali di installazione Cypress CY7C1527AV18, manuali di manutenzione, brevi manuali o manuali utente Cypress CY7C1527AV18. A seconda delle esigenze, si dovrebbe cercare il documento necessario. Nel nostro sito web, puoi visualizzare il manuale più popolare per l'uso del prodotto Cypress CY7C1527AV18.

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1. Introduzione e la guida su come utilizzare il manuale Cypress CY7C1527AV18 - All'inizio di ogni manuale, dovremmo trovare indizi su come utilizzare il documento. Dovrebbe contenere informazioni sulla posizione dell’indice Cypress CY7C1527AV18, FAQ o i problemi più comuni : i punti che sono più spesso cercati dagli utenti di ogni manuale
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