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K7I643684M-EC30 Datasheet(PDF) 5 Page - Samsung semiconductor |
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K7I643684M-EC30 Datasheet(HTML) 5 Page - Samsung semiconductor |
5 / 18 page 2Mx36 & 4Mx18 DDRII CIO b4 SRAM K7I643684M K7I641884M - 5 - Rev. 1.3 March 2007 PIN CONFIGURATIONS(TOP VIEW) K7I641884M(2Mx18) Notes: 2. BW0 controls write to DQ0:DQ8 and BW1 controls write to DQ9:DQ17. 1 2 3 4 5 6 7 8 9 10 11 A CQ SA SA R/W BW1 K NC LD SA SA CQ B NC DQ9 NC SA NC K BW0 SA NC NC DQ8 C NC NC NC VSS SA SA0 SA1 VSS NC DQ7 NC D NC NC DQ10 VSS VSS VSS VSS VSS NC NC NC E NC NC DQ11 VDDQ VSS VSS VSS VDDQ NC NC DQ6 F NC DQ12 NC VDDQ VDD VSS VDD VDDQ NC NC DQ5 G NC NC DQ13 VDDQ VDD VSS VDD VDDQ NC NC NC H Doff VREF VDDQ VDDQ VDD VSS VDD VDDQ VDDQ VREF ZQ J NC NC NC VDDQ VDD VSS VDD VDDQ NC DQ4 NC K NC NC DQ14 VDDQ VDD VSS VDD VDDQ NC NC DQ3 L NC DQ15 NC VDDQ VSS VSS VSS VDDQ NC NC DQ2 M NC NC NC VSS VSS VSS VSS VSS NC DQ1 NC N NC NC DQ16 VSS SA SA SA VSS NC NC NC P NC NC DQ17 SA SA C SA SA NC NC DQ0 R TDO TCK SA SA SA C SA SA SA TMS TDI PIN NAME Notes: 1. C, C, K or K cannot be set to VREF voltage. 2. When ZQ pin is directly connected to VDD output impedance is set to minimum value and it cannot be connected to ground or left unconnected. 3. Not connected to chip pad internally. SYMBOL PIN NUMBERS DESCRIPTION NOTE K, K 6B, 6A Input Clock C, C 6P, 6R Input Clock for Output Data 1 CQ, CQ 11A, 1A Output Echo Clock Doff 1H DLL Disable when low SA0,SA1 6C,7C Burst Count Address Inputs SA 2A,3A,9A,10A,4B,8B,5C,5N-7N,4P,5P,7P,8P,3R-5R,7R-9R Address Inputs DQ0-17 2B,11B,10C,3D,3E,11E,2F,11F,3G,10J,3K,11K,2L,11L 10M,3N,3P,11P Data Inputs Outputs R/W 4A Read, Write Control Pin, Read active when high LD 8A Synchronous Load Pin, bus Cycle sequence is to be defined when low BW0, BW1 7B, 5A Block Write Control Pin,active when low VREF 2H,10H Input Reference Voltage ZQ 11H Output Driver Impedance Control Input 2 VDD 5F,7F,5G,7G,5H,7H,5J,7J,5K,7K Power Supply (1.8 V) VDDQ 4E,8E,4F,8F,4G,8G,3H,4H,8H,9H,4J,8J,4K,8K,4L,8L Output Power Supply (1.5V or 1.8V) VSS 4C,8C,4D-8D,5E-7E,6F,6G,6H,6J,6K,5L-7L,4M-8M,4N,8N Ground TMS 10R JTAG Test Mode Select TDI 11R JTAG Test Data Input TCK 2R JTAG Test Clock TDO 1R JTAG Test Data Output NC 7A,1B,3B,5B,9B,10B,1C,2C,3C,9C,11C,1D,2D,9D,10D,11D 1E,2E,9E,10E,1F,3F,9F,10F,1G,2G,9G,10G,11G 1J,2J,3J,9J,11J,1K,2K,9K,10K,1L,3L,9L,10L 1M,2M,3M,9M,11M,1N,2N,9N,10N,11N,1P,2P,9P,10P No Connect 3 |
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