d. 1 2 3 4 5 6 A /LB /OE A0 A1 A2 NC B DQ8 /UB A3 A4 /CE 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 U

on 1 2 3 4 5 6 A /LB /OE A0 A1 A2 NC B DQ8 /UB A3 A4 /CE 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 i

on 1 2 3 4 5 6 A /LB /OE A0 A1 A2 NC B DQ8 /UB A3 A4 /CE 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

ts. they operate like SRAMs and provide non-volatile storage with no requirement for battery backup. Features: * Industry standard SRAM/EEPROM pinout * NoDelayTM Writes * Read and write at bus speed Case Type Density FM14C88-SG FM21L16-60-TG FM22L16-55-TG FM22LD16-55-BG FM23MLD16-60BG SOIC-32 TSOP-44 TSOP-44 BGA-48 BGA-48 256K 2M 4M 4M 8M 32K 125K 256K 256K 512K 8 16 16 16 16 60 60 55 55 60 -40 -40 -40 -40 -40 FM28V020-SG FM28V100-TG SOIC-28 TSOP-32 256K 1M 32K x 8 128K x 8 60 60 -40 to +85 -40 to +85 Ramtron NEW FROM RAMTRON Organization x x x x x Access Time (ns) NEW FROM RAMTRON to to to to to +85 +85 +85 +85 +85 2.7 2.7 2.7 2.7 2.7 - 3.6 3.6 3.6 3.6 3.6 Price Each 1 25 100 500 6.30 17.02 22.26 23.84 39.57 6.02 16.25 21.24 22.76 38.40 5.44 14.70 19.22 20.58 36.43 5.16 13.93 18.20 19.50 34.00 For quantities of 1000 and up, call for quote. 2.0 - 3.6 2.0 - 3.6 6.30 9.64 6.02 9.20 5.44 8.33 5.16 7.88 NON-VOLATILE STATE SAVERS The Ramtron low-power nonvolatile state saver is a logic building block

on 1 2 3 4 5 6 A /LB /OE A0 A1 A2 NC B DQ8 /UB A3 A4 /CE 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 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. 1.0 Oct. 2008 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 of /CE. Subsequ

ation. 18. The UB and LB pins may be grounded if 1) the system does not perform byte writes and 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 Semi