Cypress CY7C199

CY7C199

Document #: 38-05160 Rev. ** Page 13 of 16

Package Diagrams (continued)

28-Pin RectangularLeadless Chip Carrier L54

MIL-STD-1835 C-11A

51-80067

51-85014-B

28-Lead(300-Mil) Molded DIP P21

Contents

Main 32K x 8 Static RAM CY7C199 (not to scale) I/O I/O Maximum Ratings Operating Range Electrical Characteristics Capacitance Document #: 38-05160 Rev. ** Page 4 of 16 AC Test Loads and Waveforms tr Data Retention Characteristics Data Retention Waveform (a) (b) Page Switching Characteristics Switching Waveforms CY7C199 Document #: 38-05160 Rev. ** Page 7 of 16 Read Cycle No. 2 Write Cycle No. 1 (WE Controlled) Typical DC and AC Characteristics Switching Waveforms CY7C199 Truth Table Ordering Information Typical DC and AC Characteristics Ordering Information MILITARY SPECIFICATIONS Group A Subgroup Testing DC Characteristics Switching Characteristics