Gebruiksaanwijzing /service van het product CY7C1464AV25 van de fabrikant Cypress
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36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM with NoBL™ Architecture CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Cypress Semiconductor Corpora tion • 198 Champion Cou rt • San Jose , CA 95134-1 709 • 408-943-2 600 Document #: 38-05354 Rev .
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 2 of 27 Selection Guide 250 MHz 200 MHz 167 MHz Unit Maximum Access T i me 2.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 3 of 27 Pin Configurations A A A A A 1 A 0 V SS V DD A A A A A A V DDQ V SS DQb DQb DQb V SS V DDQ DQb DQb V SS NC V DD DQa.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 4 of 27 Pin Configurations (continued) 23 4 567 1 A B C D E F G H J K L M N P R TDO NC/576M NC/1G DQP c DQ c DQP d NC DQ d .
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 5 of 27 Pin Configurations (continued) A B C D E F G H J K L M N P R T U V W 123456789 1 1 10 DQg DQg DQg DQg DQg DQg DQg D.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 6 of 27 CE 1 Input- Synchronous Chip Enable 1 Inp ut, active LOW . Sampled on the rising edge of CLK. Used in conjunction wi th CE 2 and CE 3 to select/deselect the device. CE 2 Input- Synchronous Chip Enable 2 Input, active HIGH .
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 7 of 27 Functional Overview The CY7C1460A V25/CY7C1462A V25/CY7C1464A V25 are synchronous-pipel ined Burst NoBL SRAMs designed specifi- cally to eliminate wait states during Write/Read transitions.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 8 of 27 CY7C1460A V25, BW a,b,c,d for CY7C1460A V25 and BW a,b for CY7C1462A V25) inputs must be driven in each cycle of the burst write in order to writ e the correc t bytes of data.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 9 of 27 Partial Write Cycle Description [1, 2, 3, 8] Function (CY7C1460A V25) WE BW d BW c BW b BW a Read H X X X X Write .
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 10 of 27 IEEE 1 149.1 Serial Boundary Scan (JT AG) The CY7C1460A V25/CY7C1462A V25/CY7C1464A V25 incor- porates a serial boundary scan test access port (T AP). This part is fully compliant with 1 149.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 1 1 of 27 When the T AP controller is in the Capture-IR state, the two least significant bits are loaded with a binary “01” pattern to allow for fault isolation of the board -level serial test data path.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 12 of 27 When this scan cell, called the “extest outpu t bus tri-state,” is latched into the prel oad register during t.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 13 of 27 2.5V T AP AC T est Conditions Input pulse levels ........... ........... .............. ........... V SS to 2.5V Input rise and fall time . ......... .. ... ........
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 14 of 27 Scan Register Sizes Register Name Bit Size (x36) Bit Size (x18) Bit Size (x72) Instruction 3 3 3 Bypass 1 1 1 ID 3.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 15 of 27 165-ball FBGA Boundary Scan Order [12] CY7C1460A V25 (1M x 36), CY7C1462A V25 (2M x 18) Bit# Ball ID Bit# Ball ID .
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 16 of 27 209-ball FBGA Boundary Scan Order [12, 13] CY7C1464A V25 (512K x 72) Bit# Ball ID Bit# Ball ID Bit# Ball ID Bit# B.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 17 of 27 Maximum Ratings (Above which the useful life may be impaired. For user guide- lines, not tested.) S torage T emperature ............. .............. ...... –65°C to +150°C Ambient T emperature with Power Applied .
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 18 of 27 Cap acit ance [16] Parameter Description T est Conditions 100 TQFP Max. 165 FBGA Max. 209 FBGA Max. Unit C IN Input Capacitance T A = 25°C, f = 1 MHz, V DD = 2.5V V DDQ = 2.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 19 of 27 Switching Characteristics Over the Operating Range [21, 22] Parameter Descriptio n –250 –200 –167 Unit Min. Max. Min. Max. Min. Max. t Power [17] V CC (typical) to the first access read or write 1 1 1 ms Clock t CYC Clock Cycle T ime 4.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 20 of 27 Switching W aveforms Read/Write/T iming [23, 2 4, 25] NOP , ST ALL and DESELECT Cycles [23, 24, 26] Notes: 23. For this waveform ZZ is tied low . 24. When CE is LOW , CE 1 is LOW , CE 2 is HIGH and CE 3 is LOW .
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 21 of 27 ZZ Mode T iming [27, 28] Notes: 27. Device must be deselected when ente ring ZZ mode. See cycle descr iption t able for all possible signal condit ions to deselect the device.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 22 of 27 Ordering Information Not all of the speed, package and temperature ranges ar e available. Please con t act your local sales repr esentative or visit www .cyp ress.com for a ctual produc ts offered.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 23 of 27 250 CY7C1460A V25-250AXC 51-85050 100-Pin Thin Quad Flat Pack (14 x 20 x 1.4 mm) Lead-Free Commercial CY7C1462A V25-250AXC CY7C1460A V25-250BZC 51-85165 16 5-bal l Fine-P itch Ball Grid Array (15 x 17 x 1.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 24 of 27 Package Diagrams NOTE: 1. JEDEC STD REF MS-026 2. BODY LENGTH DIMENSION DOES NOT INCLUDE MOLD PROTRUSION/END FLASH MOLD PROTRUSION/END FLASH SHALL NOT EXCEED 0.0098 in (0.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 25 of 27 Package Diagrams (continued) A 1 PIN 1 CORNER 17.00±0.10 15.00±0.10 7.00 1.00 Ø0.45±0.05(165X) Ø0.25 M C A B Ø0.05 M C B A 0.15(4X) 0.35 1.40 MAX. SEATING PLANE 0.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 26 of 27 © 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.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 27 of 27 Document History Page Document Title: CY7C146 0A V25/CY7C1462A V25/CY7C1464A V25 36 -Mbit (1-Mbit x 36/2-Mbit x 18/512K x 72) Pipelined SRAM with NoBL™ Architecture Document Number: 38-05354 REV .
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