Instruction/ maintenance manual of the product CY7C1399B Cypress
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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 .
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 .
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.
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.
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.
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.
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.
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 .
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.
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 .
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