Cypress CY62157E - Manuals

CY62157E MoBL ® Document #: 38-05695 Rev. *C Page 5 of 12 Switching Characteristics Over the Operating Range [12] Parameter Description 45 ns 55 ns Unit Min Max Min Max Read Cycle t RC Read Cycle Time 45 55 ns t AA Address to Data Valid 45 55 ns t OHA Data Hold from Address Change 10 10 ns t ACE CE ...

CY62157E MoBL ® Document #: 38-05695 Rev. *C Page 6 of 12 Switching Waveforms Read Cycle 1 (Address Transition Controlled) [16, 17] Read Cycle 2 (OE Controlled) [17, 18] Notes: 16. The device is continuously selected. OE, CE 1 = V IL , BHE and/or BLE = V IL , and CE 2 = V IH . 17. WE is HIGH for rea...

CY62157E MoBL ® Document #: 38-05695 Rev. *C Page 7 of 12 Write Cycle 1 (WE Controlled) [15, 19, 20, 21] Write Cycle 2 (CE 1 or CE 2 Controlled) [15, 19, 20, 21] Notes: 19. Data IO is high impedance if OE = V IH . 20. If CE 1 goes HIGH and CE 2 goes LOW simultaneously with WE = V IH , the output rem...

CY62157E MoBL ® Document #: 38-05695 Rev. *C Page 10 of 12 Package Diagrams 44-pin TSOP II (51-85087) 51-85087-*A [+] Feedback

CY62157E MoBL ® Document #: 38-05695 Rev. *C Page 12 of 12 Document History Page Document Title: CY62157E MoBL ® , 8-Mbit (512K x 16) Static RAM Document Number: 38-05695 REV. ECN NO. Issue Date Orig. of Change Description of Change ** 291273 See ECN PCI New data sheet *A 457689 See ECN NXR Added Au...