CY7C1021CV26 1-Mbit (64 K 16) Static RAM 1-Mbit (64 K 16) Static RAM Writing to the device is accomplished by taking Chip Enable (CE) Features and Write Enable (WE) inputs LOW. If Byte Low Enable (BLE) is LOW, then data from I/O pins (I/O through I/O ), is written into Temperature Range 0 7 the location specified on the address pins (A through A ). If 0 15 Automotive: 40 C to 125 C Byte High Enable (BHE) is LOW, then data from I/O pins (I/O 8 High speed through I/O ) is written into the location specified on the address 15 t = 15 ns pins (A through A ). AA 0 15 Reading from the device is accomplished by taking Chip Enable Optimized voltage range: 2.5 V to 2.7 V (CE) and Output Enable (OE) LOW while forcing the Write Low active power: 220 mW (Max) Enable (WE) HIGH. If Byte Low Enable (BLE) is LOW, then data from the memory location specified by the address pins will Automatic power-down when deselected appear on I/O to I/O . If Byte High Enable (BHE) is LOW, then 0 7 Independent control of upper and lower bits data from memory will appear on I/O to I/O . See the truth table 8 15 at the end of this data sheet for a complete description of Read CMOS for optimum speed/power and Write modes. Available in Pb-free and non Pb-free 44-pin TSOP II, 44-pin The input/output pins (I/O through I/O ) are placed in a 0 15 (400-Mil) Molded SOJ and Pb-free 48-ball FBGA packages high-impedance state when the device is deselected (CE HIGH), the outputs are disabled (OE HIGH), the BHE and BLE are Functional Description disabled (BHE, BLE HIGH), or during a Write operation (CE LOW, and WE LOW). The CY7C1021CV26 is a high-performance CMOS static RAM For a complete list of related resources, click here. organized as 65,536 words by 16 bits. This device has an automatic power-down feature that significantly reduces power consumption when deselected. Logic Block Diagram DATA IN DRIVERS A 7 A 6 A 64 K 16 5 A 4 RAM Array I/O I/O 0 7 A 3 A I/O I/O 2 8 15 A 1 A 0 COLUMN DECODER BHE WE CE OE BLE Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Document Number: 38-05589 Rev. *J Revised November 5, 2015 ROW DECODER A 8 A 9 A 10 A 11 A 12 A 13 A 14 A 15 SENSE AMPSCY7C1021CV26 Contents Selection Guide ................................................................3 Package Diagrams .......................................................... 13 Pin Configurations ...........................................................3 Acronyms ........................................................................15 Pin Definitions ..................................................................4 Document Conventions ................................................. 15 Maximum Ratings .............................................................5 Units of Measure ....................................................... 15 Operating Range ...............................................................5 Document History Page ................................................. 16 Electrical Characteristics .................................................5 Sales, Solutions, and Legal Information ...................... 17 Capacitance ......................................................................6 Worldwide Sales and Design Support ....................... 17 Thermal Resistance ..........................................................6 Products ....................................................................17 AC Test Loads and Waveforms .......................................6 PSoC Solutions ...................................................... 17 Switching Characteristics ................................................7 Cypress Developer Community ................................. 17 Switching Waveforms ......................................................8 Technical Support ..................................................... 17 Truth Table ......................................................................11 Ordering Information ......................................................12 Ordering Code Definitions .........................................12 Document Number: 38-05589 Rev. *J Page 2 of 17