Cypress 256K (32K x 8) CY62256 User Manual

256K (32K x 8) Static RAMCY62256Cypress Semiconductor Corporation • 3901 North First Street • San Jose • CA 95134 • 408-943-2600Document #: 38-05248

CY62256Document #: 38-05248 Rev. *B Page 10 of 11© Cypress Semiconductor Corporation, 2002. The information contained herein is subject to change wit

CY62256Document #: 38-05248 Rev. *B Page 11 of 11Document Title: CY62256 256K (32K x 8) Static RAMDocument Number: 38-05248REV. ECN NO.Issue DateOrig

CY62256Document #: 38-05248 Rev. *B Page 2 of 11Pin Configurations Maximum Ratings(Above which the useful life may be impaired. For user guide-lines,

CY62256Document #: 38-05248 Rev. *B Page 3 of 11 ISB2Automatic CE Power-down Current— CMOS InputsMax. VCC, CE > VCC − 0.3VVIN > VCC − 0.3V, or

CY62256Document #: 38-05248 Rev. *B Page 4 of 11 Switching Characteristics Over the Operating Range[6] Parameter DescriptionCY62256−55CY62256−70UnitM

CY62256Document #: 38-05248 Rev. *B Page 5 of 11Notes:13. Address valid prior to or coincident with CE transition LOW.14. Data I/O is high impedance

CY62256Document #: 38-05248 Rev. *B Page 6 of 11Note:16. During this period, the I/Os are in output state and input signals should not be applied.Swi

CY62256Document #: 38-05248 Rev. *B Page 7 of 11Typical DC and AC Characteristics 1.21.41.00.60.40.24.0 4.5 5.0 5.5 6.01.61.41.21.00.8−55 25 125−55 2

CY62256Document #: 38-05248 Rev. *B Page 8 of 11 Typical DC and AC Characteristics (continued)3.02.52.01.51.00.50.0 1.0 2.0 3.0 4.0NORMALIZED IPOSU

CY62256Document #: 38-05248 Rev. *B Page 9 of 11 Package Diagrams 51-85017-A28-lead (600-mil)Molded DIP P1551-85092-*B28-lead (300-mil) SNC (Narrow B