-
Cypress CY7C1307BV25 - page 1
18-Mbit Burst of 4 Pipelined SRAM with Q DR™ Architecture CY7C1307BV25 CY7C1305BV25 Cypress Semiconductor Corpora tion • 198 Champion Cou rt • San Jose , CA 95134-1 709 • 408-943-2 600 Document #: 38-05630 Rev . *A Revised April 3, 2006 Features • Separate independent Read and Write data ports • Supports concurrent transactions • 167- ...
-
Cypress CY7C1307BV25 - page 2
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 2 of 21 Selection Guide CY7C1305BV25-167 CY7C1307BV25-167 Unit Maximum Operating Freq uency 167 MHz Maximum Operating Current 400 mA 256Kx18 Array CLK A [17:0] Gen. K K Control Logic Address Register D [17:0] Read Add. Decode Read Data Reg. RPS WPS Q [17:0] Control Logic Address Register ...
-
Cypress CY7C1307BV25 - page 3
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 3 of 21 Pin Configuration 165-ball FBGA (13 x 15 x 1.4 mm ) Pinout CY7C1305BV25 (1M x 18 ) 1 2 3 4 5 678 9 1 0 1 1 A NC GND/ 144M NC/ 36M WPS BWS 1 K NC RPS A GND/ 72M NC B NC Q9 D9 A NC K BWS 0 AN C N C Q 8 C NC NC D10 VSS A NC A VSS NC Q7 D8 D NC D1 1 Q10 VSS VSS VSS VSS VSS NC NC D7 ...
-
Cypress CY7C1307BV25 - page 4
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 4 of 21 Pin Definitions Name I/O Description D [x:0] Input- Synchronous Data input signals, sampled on the ris ing edge of K and K clocks during valid write operations . CY7C1305BV25 – D [17:0] CY7C1307BV25 – D [35:0] WPS Input- Synchronous Write Port Select, active LOW . Sampled on t ...
-
Cypress CY7C1307BV25 - page 5
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 5 of 21 Introduction Functional Overview The CY7C1305BV25/CY7C1307BV25 are synchro nous pipelined Burst SRAMs equipp ed with both a Read port and a Write port. The Read port is dedicated to Read operations and the Write Port is dedicated to Write operations. Data flows into the SRAM throu ...
-
Cypress CY7C1307BV25 - page 6
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 6 of 21 When deselected, the wr ite po rt will ign ore all i npu ts after the pending Write operations have been completed . Byte Write Operations Byte Write operations are supported by th e CY7C1305BV25. A write operation is initiate d as described in the Write Operation section above . ...
-
Cypress CY7C1307BV25 - page 7
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 7 of 21 T ruth T able [2, 3, 4, 5, 6, 7, 8, 9] Operation K RPS WPS DQ DQ DQ DQ Write Cycle : Load address on the rising edge of K; wait one cycle; input write data on two consecutive K and K rising edges. L-H H [8] L [9] D(A+00) at K(t+1) ↑ D(A+01) at K (t+1) ↑ D(A+10) at K(t+2) ↑ D ...
-
Cypress CY7C1307BV25 - page 8
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 8 of 21 Write Cycl e Descriptions (CY7C1307BV25) [2, 10 ] BWS 0 BWS 1 BWS 2 BWS 3 KK Comment s L L L L L-H – During the Data portion of a Write sequence, all four bytes (D [35:0] ) are written into the device. L L L L – L-H During the Data portion of a Write sequence, all four bytes ( ...
-
Cypress CY7C1307BV25 - page 9
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 9 of 21 IEEE 1 149.1 Serial Boundary Scan (JT AG) These SRAMs incorporate a serial bo undary scan test access port (T AP) in the FBGA package. This part is fully compliant with IEEE S tandard #1 149 .1-1900. The T AP operates using JEDEC standard 2.5V I/O logi c levels. Disabling the JT A ...
-
Cypress CY7C1307BV25 - page 10
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 10 of 21 is loaded into the instruction register upon power-up or whenever the T AP controller is given a test logic reset state. SAMPLE Z The SAMPLE Z instruction caus es the b oundary scan register to be connected between th e TDI and TDO pins when th e T AP controller is in a Shift-DR ...
-
Cypress CY7C1307BV25 - page 11
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 1 1 of 21 T AP Controller St ate Diagram [1 1] Note: 1 1. The 0/1 next to each state re presents the value at TMS at th e rising edge of TCK. TEST -LOGIC RESET TEST -LOGIC/ IDLE SELECT DR-SCAN CAPTURE-DR SHIFT -DR EXIT1-DR P AUSE-DR EXIT2-DR UPDA TE-DR SELECT IR-SCAN CAPTURE-IR SHIFT -IR ...
-
Cypress CY7C1307BV25 - page 12
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 12 of 21 T AP Controller Block Diagram T AP Electrical Characteristics Over the Operating R ange [12, 15, 17] Parameter Description T est Conditions Min. Max. Unit V OH1 Output HIGH V oltage I OH = − 2.0 mA 1.7 V V OH2 Output HIGH V oltage I OH = − 100 µ A2 . 1 V V OL1 Output LOW V o ...
-
Cypress CY7C1307BV25 - page 13
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 13 of 21 Output Times t TDOV TCK Clock LOW to TDO V alid 20 ns t TDOX TCK Clock LOW to TDO Invalid 0 ns T AP Timing and T est Conditions [1 4] Identification Register Definitions Instruction Field Va l u e Descr iption CY7C1305BV25 CY7C1307BV25 Revision Number (31:29) 000 000 V ersio n nu ...
-
Cypress CY7C1307BV25 - page 14
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 14 of 21 Scan Register Sizes Register Name Bit Size Instruction 3 Bypass 1 ID 32 Boundary Scan 107 Instruction Codes Instruction Code Description EXTEST 000 Captures the Inpu t/Output ring contents. IDCODE 001 Loads the ID registe r with the vendor ID code and place s the register between ...
-
Cypress CY7C1307BV25 - page 15
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 15 of 21 Boundary Scan Order Bit # Bum p ID Bit # Bump ID Bit # Bump ID Bit # Bump ID 0 6R 27 11 H 54 7B 81 3G 1 6P 28 10G 55 6B 82 2G 2 6N 29 9G 56 6A 83 1J 3 7P 30 11 F 57 5B 84 2J 4 7N 31 11 G 58 5A 85 3K 5 7R 32 9F 59 4A 86 3J 6 8R 33 10F 60 5C 87 2K 7 8P 34 11 E 61 4B 88 1K 8 9R 35 1 ...
-
Cypress CY7C1307BV25 - page 16
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 16 of 21 Maximum Ratings (Above which the useful life may be impaired.) S torage T e mperature .............. .................. –65°C to + 150°C Ambient T emperature with Power Applied ........... ............................ ..... –55°C to + 125°C Supply V oltage on V DD Relativ ...
-
Cypress CY7C1307BV25 - page 17
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 17 of 21 Cap acit ance [22] Parameter Descript ion T es t Conditions Max. Unit C IN Input Capacitance T A = 25°C, f = 1 MHz, V DD = 2.5V . V DDQ = 1.5V 5p F C CLK Clock Input Capacitance 6 pF C O Output Capacitance 7 pF AC T est Loads and W aveforms 1.25V 0.25V R = 50 Ω 5p F ALL INPUT ...
-
Cypress CY7C1307BV25 - page 18
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 18 of 21 Switching Characteristics Over the Operating Range [23] Cypress Parameter Consortium Parameter Description 167 MHz Unit Min. Max. t Power [24] V CC (typical) to the First Access Read or Write 10 µ s Cycle Time t CYC t KHKH K Clock and C Clock Cycle T ime 6.0 ns t KH t KHKL Input ...
-
Cypress CY7C1307BV25 - page 19
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 19 of 21 Switching W aveforms [27, 28, 29] Notes: 27. Q00 refers to output from address A0. Q01 refers to output from the ne xt internal burst address follo wing A0, i.e., A0+1. 28. Outputs are disabled (High- Z) one clock cycle after a NOP . 29. In this example, if address A2 = A1 then d ...
-
Cypress CY7C1307BV25 - page 20
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 20 of 21 © Cypress Semi con duct or Cor po rati on , 20 06 . The information con t a in ed he re i n is su bject to change wi t hou t n oti ce. C ypr ess S em ic onduct or Corporation assumes no resp onsibility f or the u se of any circuitry o ther than circui try embodied i n a Cypress ...
-
Cypress CY7C1307BV25 - page 21
CY7C1307BV25 CY7C1305BV25 Document #: 38-05630 Rev . *A Page 21 of 21 Document History Page Document Title: CY7C1305BV25/CY7C1307BV25 18 -Mb it Burst of Four Pipelined SRAM with QDR™ Architecture Document Number: 38-05630 REV . ECN NO. Issue Date Orig. o f Change Description of Change ** 253049 See ECN SYT Ne w Data Sheet *A 436864 See ECN NXR Co ...
¿Tienes una pregunta acerca de Cypress CY7C1307BV25?
Utiliza el formulario que se encuentra abajo
Si con la ayuda del manual de instrucciones encontrado no has podido solucionar tu problema con Cypress CY7C1307BV25, haz una pregunta utilizando el formulario que se encuentra abajo. Si alguno de los usuarios ha tenido un problema parecido con Cypress CY7C1307BV25 probablemente compartirá una forma de solucionarlo.