Benutzeranleitung / Produktwartung CY7C1992BV18 des Produzenten Cypress
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18-Mbit DDR-II SIO SRAM 2-W ord Burst Architecture CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 38-05623 Rev .
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 2 of 31 Logic Block Diagram (CY7C1392BV18) Logic Block Diagram (CY7C1992BV18) 1M x 8 Array CLK A (19:0) Gen. K K Control Logic Address Register D [7:0] Read Add. Decode Read Data Reg.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 3 of 31 Logic Block Diagram (CY7C1393BV18) Logic Block Diagram (CY7C1394BV18) 512K x 18 Array CLK A (18:0) Gen. K K Control Logic Address Register D [17:0] Read Add.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 4 of 31 Pin Configuration The pin configuration for CY7C1392BV18, CY7C1992 BV18, CY7C1393BV18, and CY7 C1394BV18 follows.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 5 of 31 CY7C1393BV18 (1M x 18) 123456789 10 11 A CQ NC/144M NC/36M R/W BWS 1 K NC/28 8M LD A NC/72M CQ B NC Q9 .
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 6 of 31 Pin Definitions Pin Name IO Pin Descripti on D [x:0] Input- Synchronous Data Input Signals. Sampled on the rising edge of K and K clocks during val id write opera tions.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 7 of 31 CQ Echo Clock CQ is Referenced with Respect to C . This is a free-running clock and is synchronized to th e input clock for output data (C) of the DDR-II.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 8 of 31 Functional Overview The CY7C1392BV18, CY7C1992BV18, CY7C1393 BV18, and CY7C1394BV18 are synchronous pipelined Burst SRAMs equipped with a DDR-II Separate IO interface .
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 9 of 31 DLL These chips use a Delay Lock Loop (DLL) that is design ed to function between 120 MHz a nd the specified maximum clock frequency . During power up, when the DOF F is tied HIGH, the DLL is locked after 1024 cycles of st able clock.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 10 of 31 T ruth T able The truth table for CY7C1392BV18, CY7C1992BV 18, CY7C1393BV18, and CY7C1394BV18 follo ws. [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 edges.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 1 1 of 31 Write Cycle Descriptions The write cycle description tabl e for CY7C1992BV18 follows. [2, 8] BWS 0 K K L L–H – During the data portion of a write sequence, the single b yte (D [8:0] ) is written into the device.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 12 of 31 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.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 13 of 31 IDCODE The IDCODE instruction loads a vendor-specific, 32-bi t code into the instruction re gister .
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 14 of 31 T AP Controller St ate Diagram The state diagram for the T AP controller follows.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 15 of 31 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.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 16 of 31 T AP AC Switching Characteristics Over the Operating Range [13, 14] Parameter Description Min Max Unit.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 17 of 31 Identification R egi ster Definitions Instruction Field Va l u e Description CY7C1392BV18 CY7C1992BV18 CY7 C1393BV18 CY7C1394BV18 Revision Numb er (31:29) 000 000 000 000 V ersion number .
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 18 of 31 Boundary Scan Order Bit # Bump ID Bit # Bump ID Bit # Bump ID Bit # Bum p ID 0 6R 27 1 1H 54 7B 81 3G .
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 19 of 31 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).
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 20 of 31 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 ......
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 21 of 31 I DD [19] V DD Operating Supply V DD = Max, I OUT = 0 mA, f = f MAX = 1/t CYC 200 MHz (x8) 575 mA (x9).
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 22 of 31 Cap acit ance T ested initially and after any design or process change that may affect these parameters. Parameter Description T est Condition s Max Unit C IN Input Capacitance T A = 25 ° C, f = 1 MHz, V DD = 1.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 23 of 31 Switching Characteristics Over the Operating Range [20, 21] Cypress Parameter Consor tium Parameter De.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 24 of 31 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.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 25 of 31 Switching W aveforms Figure 5. Read/Write/Deselect Sequence [2 6, 27, 28 ] K 123 4 5 6 7 8 K LD R/W A .
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 26 of 31 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 .
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 27 of 31 250 CY7C1392BV18-250BZC 51-85180 165-Ball F ine Pitch Ball Grid Array (13 x 15 x 1.4 mm) Commercial CY7C1992BV18-250BZC CY7C1393BV18-250BZC CY7C1394BV18-250BZC CY7C1392BV18-250BZXC 51-85180 165-Ball Fine Pi tch Ball Grid Array (13 x 15 x 1.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 28 of 31 167 CY7C1392BV18-167BZC 51-85180 165-Ball F ine Pitch Ball Grid Array (13 x 15 x 1.4 mm) Commercial CY7C1992BV18-167BZC CY7C1393BV18-167BZC CY7C1394BV18-167BZC CY7C1392BV18-167BZXC 51-85180 165-Ball Fine Pi tch Ball Grid Array (13 x 15 x 1.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 29 of 31 Package Diagram Figure 6. 165-Ball FBGA (13 x 15 x 1.4 mm), 51-85180 A 1 PIN 1 CORNER 15.00±0.10 13.00±0.10 7.00 1.00 Ø0.50 (165X) Ø 0 . 2 5MCAB Ø0.
CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Document #: 38-05623 Rev . *D Page 30 of 31 Document History Page Document Title: CY7C1392BV18/CY7C1992BV18/CY7C13 93BV18/C Y7C139 4BV18 , 18-Mbit DDR-II SIO SRAM 2-Word Burst Architecture Document Number: 38-05623 Rev .
Document #: 38-05623 Rev . *D Revised June 2, 2008 Page 31 of 31 QDR RAMs an d Quad Data Rate RAMs comp rise a new family of product s developed by Cypress, I DT , NEC, Rene sas, and Samsung . All pr od uct and comp any names ment ioned in th is document are the tr ad emarks of their respe ctive hold ers.
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