CypressメーカーCY7C1168V18の使用説明書/サービス説明書
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CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 18-Mbit DDR-II+ SRAM 2-W ord Burst Architecture (2.5 Cycle Read Latency) Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document Number: 001-06620 Rev .
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 2 of 27 Logic Block Diagram (CY7C1 166V18) Logic Block Diagram (CY7C1 177V18) CLK A (19:0) Gen. K K Control Logic Address Register Read Add. Decode Read Data Reg.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 3 of 27 Logic Block Diagram (CY7C1 168V18) Logic Block Diagram (CY7C1 170V18) CLK A (18:0) Gen. K K Control Logic Address Register Read Add. Decode Read Data Reg.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 4 of 27 Pin Configurations CY7C1 166V18 (2M x 8 ) 165-Ball FBGA (13 x 15 x 1.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 5 of 27 Pin Configurations (continued) CY7C1 168V18 (1M x 18) 165-Ball FBGA (13 x 15 x 1.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 6 of 27 Pin Definitions Pin Name IO Pin Description DQ [x:0] Input Output- Synchronous Data Input Output Signal s . Inputs are sampled on the rising edge of K an d K clocks during valid write operations.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 7 of 27 ZQ Input Output Im pedance Matching I nput . This input is used to tune the device output s to the system data bus impedance. CQ, CQ, and Q [x:0] output impedance are set to 0.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 8 of 27 Functional Overview The CY7C1 166V18, CY7C1 1 77V18, CY7C1 168V18, and CY7C1 170V18 are syn chronous pipelined Burst SRAMs equipped with a DDR inte rface.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 9 of 27 echo clock and follows the ti ming of any data pin.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 10 of 27 Write Cycle Descriptions The write cycle descriptions of CY7C 1 166V18 and CY7C1 168V18 follows.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 1 1 of 27 The write cycle descriptions of CY7C1 170V18 follows.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 12 of 27 IEEE 1 149.1 Serial Boundary Scan (JT AG) These SRAMs incorporate a serial boundary scan test access port (T AP) in the FBGA package. This part is fully comp liant with IEEE S t andard #1 149.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 13 of 27 IDCODE The IDCODE instruction causes a vendor-specific 32-bit code to be loaded into the instruction register .
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 14 of 27 T AP Controller St ate Diagram Figure 2 shows the tap controller state diagram.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 15 of 27 T AP Controller Blo ck Diagram Figure 3. T a p Controller Block Diagram T AP Electrical Characteristics The T ap Electrical Characteristics table over the operating range follows.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 16 of 27 T AP AC Switchi ng Characteristics The T ap AC Switching Characteristi cs over the operatin g range follows.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 17 of 27 Identification Regi ster Definitions Instruction Field Va l u e Description CY7C1 166V18 CY7C1 177V18 CY7C1 168V18 CY7C 1 170V18 Revision Number (31:29) 000 000 000 000 V ersion number .
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 18 of 27 Boundary Scan Order Bit # Bump ID Bit # Bump ID Bit # Bump ID Bit # Bump ID 0 6R 27 1 1H 54 7B 8.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 19 of 27 Power Up Sequence in DDR-II+ SRAM DDR-II+ SRAMs must be powered up and initialize d in a predefined manner to prevent undefined opera tions. During power up, when the DOFF is tie d HIGH, the DLL gets locked after 2048 cycles of stable clock.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 20 of 27 Maximum Ratin gs Exceeding maximum ratings may shorten the useful life of the device. User gui d el i ne s are not tested. S torage T emperature ..
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 21 of 27 Cap acit ance T ested initially and after any design or proc ess change that may affect these parameters. Parameter Descriptio n T est Conditions Max Unit C IN Input Capacitance T A = 25 ° C, f = 1 MHz, V DD = 1.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 22 of 27 Switching Characteristics Over the operating range [20, 21] Cypress Parameter Consortium Paramet.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 23 of 27 Switching W aveform Read/Write /Deselect Sequence Figure 7.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 24 of 27 Ordering Information Not all of the speed, package and temperature ranges are a v ailable. Contact your local sales representative or visit www .cypress.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 25 of 27 333 CY7C1 166V18 -333BZC 51-85180 165 -Ball Fi ne Pitch Ball Grid Array (13 x 15 x 1.4 mm) Commercial CY7C1 177V18-333BZC CY7C1 168V18-333BZC CY7C1 170V18-333BZC CY7C1 166V18-333BZXC 51-85180 165-Ball Fine Pitch Ball Grid Array (13 x 15 x 1.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 26 of 27 Package Diagram Figure 8. 165-Ball FBGA (13 x 15 x 1.4 mm), 51-8 5180 A 1 PIN 1 CORNER 15.00±0.10 13.00±0.10 7.00 1.00 Ø0.50 (165X) Ø0.25 M C A B Ø0.
Document Number: 001-06620 Rev . *D Revised March 06, 2008 Page 27 of 27 QDR™ is a trademark of Cypress Semicond uctor Corp. QDR RAMs and Quad Data Rate RAMs comprise a new family of prod ucts developed by Cypress, IDT , NEC, Renesas, and Samsung.
デバイスCypress CY7C1168V18の購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Cypress CY7C1168V18をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはCypress CY7C1168V18の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Cypress CY7C1168V18の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Cypress CY7C1168V18で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Cypress CY7C1168V18を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はCypress CY7C1168V18の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Cypress CY7C1168V18に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちCypress CY7C1168V18デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。