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Cypress CY7C1414AV18 - page 1
36-Mbit QDR™-II SRAM 2-W ord Burst Architecture CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 38-05615 Rev . *E Revised June 13, 2 008 Features ■ Separate independent read and write data ports ❐ Supports concurrent t ...
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Cypress CY7C1414AV18 - page 2
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 2 of 29 Logic Block Diagram (CY7C1410A V18) Logic Block Diagram (CY7C1425A V18) 2M x 8 Array CLK A (20:0) Gen. K K Control Logic Address Register D [7:0] Read Add. Decode Read Data Reg. RPS WPS Control Logic Address Register Reg. Reg. Reg. 8 21 16 8 NWS [1: ...
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Cypress CY7C1414AV18 - page 3
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 3 of 29 Logic Block Diagram (CY7C1412A V18) Logic Block Diagram (CY7C1414A V18) 1M x 18 Array CLK A (19:0) Gen. K K Control Logic Address Register D [17:0] Read Add. Decode Read Data Reg. RPS WPS Control Logic Address Register Reg. Reg. Reg. 18 20 36 18 BWS ...
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Cypress CY7C1414AV18 - page 4
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 4 of 29 Pin Configuration The pin configuration for CY7C1410A V18, CY7C1425 A V18, CY7C141 2A V18, and CY7C1414A V18 fo llow . [1] 165-Ball FBGA (15 x 17 x 1 .4 mm) Pinout CY7C1410A V18 (4M x 8) 123456789 10 11 A CQ NC/72M A WPS NWS 1 K NC/144M RPS AA C Q B ...
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Cypress CY7C1414AV18 - page 5
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 5 of 29 CY7C1412A V18 (2M x 18) 123456789 10 11 A CQ NC/144M A WPS BWS 1 K NC/288M RPS A NC/72M CQ B NC Q9 D9 A NC K BWS 0 AN C N C Q 8 C NC NC D10 V SS AAA V SS NC Q7 D8 D NC D1 1 Q10 V SS V SS V SS V SS V SS NC NC D7 E NC NC Q1 1 V DDQ V SS V SS V SS V DD ...
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Cypress CY7C1414AV18 - page 6
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 6 of 29 Pin Definitions Pin Name IO Pin Description D [x:0] Input- Synchronous Data Input Signals. Sampled on the rising edge of K and K clocks during val id write opera tions. CY7C1410A V18 - D [7:0] CY7C1425A V18 - D [8:0] CY7C1412A V18 - D [17:0] CY7C141 ...
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Cypress CY7C1414AV18 - page 7
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 7 of 29 CQ Echo 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 QDR-II. In the single clock mode , CQ is generate d with respect to K. The timings for the echo clocks i ...
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Cypress CY7C1414AV18 - page 8
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 8 of 29 Functional Overview The CY7C1410A V18, CY7C1425A V18, CY7C1412A V18, an d CY7C1414A V18 are synchronous pipelined Burst SRAMs with a read port and a write port. The read port is dedicated to rea d operations and the write port is dedicated to write ...
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Cypress CY7C1414AV18 - page 9
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 9 of 29 Programmable Impedan ce An external resistor , RQ, must be connected between the ZQ pin on the SRAM and V SS to allow the SRAM to adjust its output driver impedance. The value of RQ must be 5x the value of th e intended line impedance d riven by the ...
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Cypress CY7C1414AV18 - page 10
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 10 of 29 T ruth T able The truth table for CY7C1410A V18, CY7C1425A V18 , CY7C1412A V18, and CY7C1 414A V18 follows. [2, 3, 4, 5, 6, 7] Operation K RPS WPS DQ DQ Write Cycle: Load address on the rising ed ge of K ; input write data on K and K rising edges. ...
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Cypress CY7C1414AV18 - page 11
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 1 1 of 29 Write Cycle Descriptions The write cycle description tabl e for CY7C1425A V18 follows. [2, 8] BWS 0 K K Comments L L–H – During the Data portion of a write sequence, the single byte (D [8:0] ) is writ te n in to the device. L – L–H Du ring ...
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Cypress CY7C1414AV18 - page 12
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 12 of 29 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 #1 149.1-1900. The T AP operates usin g JEDEC standard 1.8V IO ...
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Cypress CY7C1414AV18 - page 13
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 13 of 29 IDCODE The IDCODE instruction loads a vendor-specific, 32-bi t code into the instruction re gister . It also 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 Sh ...
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Cypress CY7C1414AV18 - page 14
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 14 of 29 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 1 0 ...
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Cypress CY7C1414AV18 - page 15
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 15 of 29 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 μ ...
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Cypress CY7C1414AV18 - page 16
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 16 of 29 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 Setup ...
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Cypress CY7C1414AV18 - page 17
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 17 of 29 Identification R egi ster Definitions Instruction Field Va l u e Descrip tion CY7C1410A V18 CY7C1425A V18 CY7C1412 A V18 CY7C1414A V18 Revision Numb er (31:29) 000 000 000 000 V ersion number . Cypress Device ID (28:12) 1 10100 1 10100001 1 1 1 101 ...
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Cypress CY7C1414AV18 - page 18
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 18 of 29 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 3A ...
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Cypress CY7C1414AV18 - page 19
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 19 of 29 Power Up Sequence in QDR-II SRAM QDR-II SRAMs must be powered up and initialized in a predefined manner to prevent unde fined operation s. 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 CY7C1414AV18 - page 20
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 20 of 29 Maximum Ratings Exceeding maximum ratings may im pair the useful life of the device. These user guidelines are not tested. S torage T emperature ......................... ... ... .. . –65°C to +150°C Ambient T emperature with Powe r App lied .. ...
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Cypress CY7C1414AV18 - page 21
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 21 of 29 I SB1 Automatic Power down Current Max V DD , Both Ports Deselected, V IN ≥ V IH or V IN ≤ V IL f = f MAX = 1/t CYC , Inputs S tatic 250MHz (x8) 400 mA (x9) 400 (x18) 420 (x36) 475 200MHz (x8) 350 mA (x9) 350 (x18) 370 (x36) 420 167MHz (x8) 330 ...
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Cypress CY7C1414AV18 - page 22
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 22 of 29 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 = 1.8V , V DDQ = 1.5V 5 pF C CLK Clock I ...
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Cypress CY7C1414AV18 - page 23
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 23 of 29 Switching Characteristics Over the Operating Range [20, 21] Cypress Parameter Consor tium Parameter Description 250 MHz 200 MHz 167 MHz Unit Min Max Min Max Min Max t POWER V DD (T ypical) to the First Access [22] 111 m s t CYC t KHKH K Clock and C ...
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Cypress CY7C1414AV18 - page 24
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 24 of 29 Switching W aveforms Figure 5. Read/Write/Deselect Sequence [2 6, 27, 28 ] K 1 2 34 5 8 10 6 7 K RPS WPS A D READ READ WRITE WRITE WRITE NOP READ WRITE NOP 9 A0 t KH t KHKH t KL t CY C tt HC t SA t HA t SD t HD SC t t SA t HA t SD t HD A6 A5 A3 A4 ...
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Cypress CY7C1414AV18 - page 25
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 25 of 29 Ordering Information Not all of the speed, package and temperature range s are ava ilable. Please contact your local sales representative or visit www .cypress.com for actual products offered. Spee d (MHz) Ordering Code Pack age Diagram Package T y ...
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Cypress CY7C1414AV18 - page 26
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 26 of 29 167 CY7C1410A V18-167BZC 5 1-85195 165-Ball Fine Pi tch Ball Grid Array (15 x 17 x 1.4 mm) Commercial CY7C1425A V18-167BZC CY7C1412A V18-167BZC CY7C1414A V18-167BZC CY7C1410A V18-167BZXC 51-851 95 165-Ball Fine Pitch Ball Grid Array (15 x 17 x 1.4 ...
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Cypress CY7C1414AV18 - page 27
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 27 of 29 Package Diagram Figure 6. 165-Ball FBGA (15 x 17 x 1.4 mm), 51-85195 A 1 PIN 1 CORNER 17.00±0.10 15.00±0.10 7.00 1.00 Ø0.50 (165X) Ø0.25 M C A B Ø0.05 M C B A 0.15(4X) 0.35±0.06 1.40 MAX. SEATING PLANE 0.53±0.05 0.25 C 0.15 C PIN 1 CORNER TO ...
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Cypress CY7C1414AV18 - page 28
CY7C1410A V18, CY7C1425A V18 CY7C1412A V18, CY7C1414A V18 Document #: 38-05615 Rev . *E Page 28 of 29 Document History Page Document Title: CY7C1410A V18/CY7C1425A V18/CY7C1412A V1 8/CY7C1414A V18, 36-Mbit QDR™-II SRAM 2-Word Burst Architecture Document Number: 38-05615 REV . ECN NO. SUBMISSION DA TE ORIG . OF CHANGE DESCRIPTION OF CHANGE ** 2473 ...
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Cypress CY7C1414AV18 - page 29
Document #: 38-05615 Rev . *E Revised June 13, 2008 Page 29 of 29 QDR RAMs and Qua d Data Ra te RA Ms comprise a ne w fam i ly of pr od uct s developed by Cypress, Hit a chi, IDT , NEC, and Samsung. A l l p r oduct and company names mentioned in this d ocume nt a re the tradem arks of their respective holders. CY7C1410A V18, CY7C1425A V18 CY7C1412A ...
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