Contents
Main
256K (32K x 8) Static RAM
Features
Functional Description
Logic Block Diagram
CY62256
Document #: 38-05248 Rev. *B Page 2 of 11
Pin Configurations
f = fMAX = 1/tRC
Parameter Description Test Conditions
Capacitance
Electrical Characteristics
AC Test Loads and Waveforms
Data Retention Characteristics
Data Retention Waveform
Switching Characteristics
Switching Waveforms
CY62256
Document #: 38-05248 Rev. *B Page 5 of 11
Switching Waveforms
Write Cycle No. 2 (CE Controlled) [9, 14, 15]
Read Cycle No. 2
CY62256
Document #: 38-05248 Rev. *B Page 6 of 11
Switching Waveforms
Write Cycle No. 3 (WE Controlled, O E LOW) [10, 15]
Document #: 38-05248 Rev. *B Page 7 of 11
Typical DC and AC Characteristics
Truth Table
Ordering Information
Page
Package Diagrams