E DQ0 C DQ9 DQ10 A5 A6 DQ1 DQ2 D VSS DQ11 A17 A7 DQ3 VDD E VDD DQ12 NC A16 DQ4 VSS F DQ14 DQ13 A14 A15 DQ5 DQ6 G DQ15 NC A12 A13 /WE DQ7 H NC A8 A9 A10 A11 NC Top View (Ball Down) Ordering Information FM22LD16-55-BG 55 ns access, 48-ball "Green"/RoHS FBGA FM22LD16-55-BGTR 55 ns access, 48-ball "Green"/RoHS FBGA, Tape & Reel This product conforms to specifications per the terms of the Ramtron standard warranty. The product has completed Ramtron's internal qualification testing and has reached production status. Cypress Semiconductor Corporation * Document Number: 001-86190 Rev. ** 198 Champion Court * San Jose, CA 95134-1709 * 408-943-2600 Revised February 25, 2013 A(17:2) 32K x 16 block 32K x 16 block 32K x 16 block 32K x 16 block 32K x 16 block 32K x 16 block 32K x 16 block 32K x 16 block ... A(17:0) Block & Row Decoder Address Latch & Write Protect FM22LD16 - 256Kx16 FRAM A(1:0) ... Column Decoder CE I/O Latch & Bus Driver WE UB, LB DQ(15:0) Control Logic 2 OE Figure 1. Block Diagram Pin Descri

E DQ0 C DQ9 DQ10 A5 A6 DQ1 DQ2 D VSS DQ11 A17 A7 DQ3 VDD E VDD DQ12 NC A16 DQ4 VSS F DQ14 DQ13 A14 A15 DQ5 DQ6 G DQ15 NC A12 A13 /WE DQ7 H NC A8 A9 A10 A11 NC Top View (Ball Down) Ordering Information FM22LD16-55-BG 55 ns access, 48-ball "Green"/RoHS FBGA FM22LD16-55-BGTR 55 ns access, 48-ball "Green"/RoHS FBGA, Tape & Reel Ramtron International Corporation 1850 Ramtron Drive, Colorado Springs, CO 80921 (800) 545-FRAM, (719) 481-7000 http://www.ramtron.com Page 1 of 14 FM22LD16 - 256Kx16 FRAM Figure 1. Block Diagram Pin Description Pin Name Type A(17:0) Input /CE Input /WE Input /OE Input DQ(15:0) /UB I/O Input /LB Input VDD VSS Rev. 2.0 Dec. 2009 Supply Supply Pin Description Address inputs: The 18 address lines select one of 262,144 words in the F-RAM array. The lowest two address lines A(1:0) may be used for page mode read and write operations. Chip Enable input: The device is selected and a new memory access begins when /CE is low. The entire address is latched internally on the falling edge

E DQ0 C DQ9 DQ10 A5 A6 DQ1 DQ2 D VSS DQ11 A17 A7 DQ3 VDD E VDD DQ12 NC A16 DQ4 VSS F DQ14 DQ13 A14 A15 DQ5 DQ6 G DQ15 NC A12 A13 /WE DQ7 H NC A8 A9 A10 A11 NC Top View (Ball Down) Ordering Information FM22LD16-55-BG 55 ns access, 48-ball "Green"/RoHS FBGA FM22LD16-55-BGTR 55 ns access, 48-ball "Green"/RoHS FBGA, Tape & Reel Ramtron International Corporation 1850 Ramtron Drive, Colorado Springs, CO 80921 (800) 545-FRAM, (719) 481-7000 http://www.ramtron.com Page 1 of 14 32K x 16 block 32K x 16 block 32K x 16 block 32K x 16 block 32K x 16 block 32K x 16 block 32K x 16 block 32K x 16 block ... A(17:0) A(17:2) Block & Row Decoder Address Latch & Write Protect FM22LD16 - 256Kx16 FRAM A(1:0) ... Column Decoder CE I/O Latch & Bus Driver WE UB, LB DQ(15:0) Control Logic 2 OE Figure 1. Block Diagram Pin Description Pin Name Type A(17:0) Input /CE Input /WE Input /OE Input DQ(15:0) /UB I/O Input /LB Input VDD VSS Rev. 3.0 Oct. 2012 Supply Supply Pin Description Address inputs: The 18 address lines select o

d 2) the device is not configured as a 512K x 8. Document Number: 001-86190 Rev. *G Page 17 of 22 FM22LD16 Ordering Information Access Time (ns) 55 Ordering Code FM22LD16-55-BG Package Diagram Package Type 001-91158 48-ball FBGA Operating Range Industrial FM22LD16-55-BGTR All the above parts are Pb-free. Ordering Code Definitions FM 22 LD 16 - 55 - BG X Option: X = blank or TR blank = Standard; TR = Tape and Reel Package Type: BG = 48-ball FBGA Access Time: 55 ns I/O Width: x 16 Voltage: 2.7 V to 3.6 V 4-Mbit Parallel F-RAM Cypress Document Number: 001-86190 Rev. *G Page 18 of 22 FM22LD16 Package Diagram Figure 16. 48-ball FBGA (6 x 8 x 1.2 mm) Package Outline, 001-91158 001-91158 ** Document Number: 001-86190 Rev. *G Page 19 of 22 FM22LD16 Acronyms Acronym CPU Document Conventions Description Units of Measure Symbol Central Processing Unit Unit of Measure CMOS Complementary Metal Oxide Semiconductor C EIA Electronic Industries Alliance Hz hertz F-RAM Ferroelectric Random Access Memory kHz kilohe