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Cypress CY7C107B manual

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Table of contents for the manual

  • Page 1

    1M x 1 St atic RAM CY7C107B CY7C1007B Cypress Semicondu ctor Corporation • 3901 North First Stree t • San Jose • CA 95134 • 408-943-2600 Document #: 38-0503 0 Rev . ** Revised September 7, 20 01 07B Features • High sp eed —t AA = 12 ns • CMOS for optimum sp eed/power • Automat ic power-down whe n deselecte d • TTL-compa tible inpu[...]

  • Page 2

    CY7C107B CY7C1007B Docum ent #: 38 -05030 Rev . ** Page 2 of 9 Maximum Ratings (Above w hi ch the useful l ife may be im pai red. For us er g uid e- lines, not tes ted .) Storage T emperature ........... ....... ........... ........ − 65 ° C to +150 ° C Ambient T e mperature w ith Power Appli ed ................. ....... ........... ...........[...]

  • Page 3

    CY7C107B CY7C1007B Docum ent #: 38 -05030 Rev . ** Page 3 of 9 Electrica l Characteristics Over the Operating Range (continu ed) Parameter Description T est Condition s 7C107 B-25 7C10 07B- 25 7C107B-35 7C100 7B-35 Min. Max. Min . Max. Unit V OH Output HIGH V oltage V CC = Min., I OH = − 4.0 m A 2 . 4 2 . 4 V V OL Output LOW V oltage V CC = Min.,[...]

  • Page 4

    CY7C107B CY7C1007B Docum ent #: 38 -05030 Rev . ** Page 4 of 9 AC T est Loads and W avefor ms 3.0V 5V OUTPUT R1 480 Ω R2 255 Ω 30 pF INCLUDING JIG AND SCOP E GND 90% 10% 90% 10% ≤ 3 ns ≤ 3 ns 5V OUTP UT 5p F INCLUDING JIG AN D SCOPE (a) (b) OUTPUT 1.73V Equivalent to: T H É VENIN EQU I V ALENT ALL INPUT PULS ES R2 255 Ω R1 480 Ω 167 ?[...]

  • Page 5

    CY7C107B CY7C1007B Docum ent #: 38 -05030 Rev . ** Page 5 of 9 Switching W aveforms Read Cy cle No. 1 [10, 1 1] Read Cy cle No. 2 [1 1, 12] Wr ite Cycle No. 1 (CE Con trolled) [1 3] Notes: 9. No input may exce ed V CC + 0.5V . 10. Device is continu ously selected, C E = V IL . 11 . W E is HIGH f or read cycle . 12. Addr ess v al id pr ior t o or co[...]

  • Page 6

    CY7C107B CY7C1007B Docum ent #: 38 -05030 Rev . ** Page 6 of 9 Wr ite Cycle No. 2 (WE Co ntrolled) [13] Note: 13. If C E goes HIG H simultaneou sly with WE go ing HIGH , the o utput remains in a h igh-imped ance s tate. Switching W aveforms (contin ued) t WC DA T A V ALID DA T A UNDEFINED HIGH IMPEDANCE t SCE t AW t SA t PWE t HA t HD t HZWE t LZWE[...]

  • Page 7

    CY7C107B CY7C1007B Docum ent #: 38 -05030 Rev . ** Page 7 of 9 Package Diagrams T ruth T able CE WE D OUT Mode Power H X High Z Power-Down Stand by (I SB ) L H Data Out Read Active (I CC ) L L Hi gh Z Wr i t e Active (I CC ) Orderin g Informat ion Speed (ns) Ordering Code Package Name Package T y pe Operati ng Range 12 CY7C107B-1 2VC V28 28-Lead (4[...]

  • Page 8

    CY7C107B CY7C1007B Docum ent #: 38 -05030 Rev . ** Page 8 of 9 © Cypress Semico nductor Corp oration, 2001. Th e information contai ned herein is subjec t to change withou t notice. Cypress S emico nductor Corp oration assum es no responsibility for the use of any circuitry other than circuitry emb odied in a Cypress Semiconductor product. Nor doe[...]

  • Page 9

    CY7C107B CY7C1007B Docum ent #: 38 -05030 Rev . ** Page 9 of 9 Documen t Title: C Y7C107B /CY7C1007 B 1M x 1 Stati c RAM Documen t Number: 3 8-05030 REV . ECN NO. Issue Date Orig. of Change Description of Change ** 109950 12 /02/01 SZV Change from Spec num ber: 38-01 1 16 to 38-05030 [+] Feedback[...]