Cypress Semiconductor CY7C1399B Manual, Specification Sheet

8, CY7C1399B Document #: 38-05071 Rev. *A Page 8 of 10 Truth Table CE WE OE Input/Output Mode Power H X X High Z Deselect/Power-Down 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, Output Disabled Active (I CC ) Ordering Information Sp…

7, CY7C1399B Document #: 38-05071 Rev. *A Page 7 of 10 Notes: 13. Data I/O is high impedance if OE = V IH . 14. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state. 15. During this period, the I/Os are in the output state and input signals should not be …

3, Cypress Semiconductor CY7C1399B CY7C1399B Document #: 38-05071 Rev. *A Page 3 of 10 Electrical Characteristics Over the Operating Range (continued) 1399B-15 1399B-20 Parameter Description Test Conditions Min. Max. Min. Max. Unit V OH Output HIGH Voltage V CC = Min., I OH = –2.0 mA 2.4 2.4 V V OL Output LOW Vol…

5, CY7C1399B Document #: 38-05071 Rev. *A Page 5 of 10 Switching Characteristics Over the Operating Range [5] (Continued) 1399B–15 1399B–20 Parameter Description Min. Max. Min. Max. Unit READ CYCLE t RC Read Cycle Time 15 20 ns t AA Address to Data Valid 15 20 ns t OHA Data Hold from…

6, CY7C1399B Document #: 38-05071 Rev. *A Page 6 of 10 Data Retention Waveform 3.0V3.0V t CDR V DR > 2V DATA RETENTION MODE t R CE V CC Switching Waveforms Notes: 10. Device is continuously selected. OE , CE = V IL . 11. WE is HIGH for read cycle. 12. Address valid prior to or coincident …

9, CY7C1399B Document #: 38-05071 Rev. *A Page 9 of 10 © Cypress Semiconductor Corporation, 2001. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress …