Cypress CY7C1399B manual

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Table of contents for the manual

  • Page 1

    32K x 8 3.3V Static RAM CY7C1399B Cypress Semicondu ctor Corporatio n • 3901 North Fi rst Street • San Jose • CA 95134 • 408-943-2 600 Document #: 38-0507 1 Rev . *A Revi sed Jun e 19, 2001 399B Features • Single 3.3V power suppl y • Ideal for low-voltag e cache me mory app lications • High sp eed — 10/12/15 ns • Low active po wer[...]

  • Page 2

    CY7C1399B Docum ent #: 38 -05071 Rev . * A Page 2 of 1 0 Maximum Ratings (Above w hi ch the useful l ife may be impaired. For user g uid e- lines, not tes ted .) Storage T emperature ............ ................. .... – 65 ° C to +150 ° C Ambient T e mperature w ith Power Appli ed ............. ................. ........... .... – 55 ° C to[...]

  • Page 3

    CY7C1399B Docum ent #: 38 -05071 Rev . * A Page 3 of 1 0 Electrica l Characteristics O ver the Operat ing Ra nge (co ntinue d) 1399B -15 1399B-2 0 Parameter D escription T est Conditio ns Min. Ma x. Min. Ma x. Unit V OH Output HIGH V oltage V CC = Min., I OH = – 2.0 mA 2. 4 2.4 V V OL Output LOW V oltage V CC = Min., I OL = 4.0 mA 0.4 0.4 V V IH [...]

  • Page 4

    CY7C1399B Docum ent #: 38 -05071 Rev . * A Page 4 of 1 0 Switching Char acteristics Over th e Opera ting Rang e [5] 1399B – 10 13 99B – 12 Para met er Description Min. Max. Min. Max. Unit READ CYCLE t RC Read Cyc le Time 10 12 ns t AA Address to Data V alid 10 12 ns t OHA Data H old from Address Cha nge 3 3 ns t ACE CE LOW to Data V alid 10 12 [...]

  • Page 5

    CY7C1399B Docum ent #: 38 -05071 Rev . * A Page 5 of 1 0 Switching Char acteristics Over th e Opera ting Rang e [5] (Con tinued ) 1399B – 15 13 99B – 20 Parameter Des cription Min. Max . Min. Max. Unit READ CYCLE t RC Read Cyc le T ime 15 20 ns t AA Address to Data V alid 15 20 ns t OHA Data H old from Addres s Change 3 3 ns t ACE CE LO W to Da[...]

  • Page 6

    CY7C1399B Docum ent #: 38 -05071 Rev . * A Page 6 of 1 0 Data Retent ion W aveform 3.0V 3.0V t CDR V DR > 2V DATA RETENTION MODE t R CE V CC Switching W aveforms Notes: 10. Device is continu ously selected. OE , CE = V IL . 11 . W E is H IGH for read c ycle. 12. Addr ess v a l id pr ior t o or co inci dent with C E trans ition L OW . ADDR ESS DA[...]

  • Page 7

    CY7C1399B Docum ent #: 38 -05071 Rev . * A Page 7 of 1 0 Notes: 13. Data I/O is high imped ance if OE = V IH . 14. If C E goes HIG H simultaneou sly with WE H IGH, th e outpu t remai ns in a high -impedance stat e. 15. Durin g this period , the I /Os are i n the outp ut state and in put signa ls sh ould no t be appl ied. Switching W aveforms (conti[...]

  • Page 8

    CY7C1399B Docum ent #: 38 -05071 Rev . * A Page 8 of 1 0 T ruth T able CE WE OE Input/Output M ode Power H X X High Z Des elec t/ Powe r-D own Standby (I SB ) L H L Data Out Read Active (I CC ) L L X Data In Write Active (I CC ) L H H High Z Deselect, Outpu t Disab led Active (I CC ) Orderin g Informat ion Speed (ns) Ordering Code Pa ckage Name Pac[...]

  • Page 9

    CY7C1399B Docum ent #: 38 -05071 Rev . *A Page 9 of 1 0 © Cypress Semico nductor Corp oration, 2001. Th e information contai ned herein is subj ect to change wit hout notice. Cyp ress Semico nducto r Corporation assum es no responsibility f or the use of any circuitry other than circuitry emb odied in a Cypress Semiconductor product. Nor does it c[...]

  • Page 10

    CY7C1399B Docum ent #: 38 -05071 Rev . * A Page 10 of 10 Revision Hi story Documen t Title: C Y7C1399B 32K x 8 3 .3V Static RAM Documen t Number: 3 8-05071 REV . ECN NO. ISSUE DA TE ORIG . O F CHANGE DESCRIPTION OF CHANGE ** 107264 0 5/25/01 SZV Change fro m Spec #: 38-0 1 102 to 38-0 5071 *A 107533 0 6/28/01 MAX Add Low Power[...]