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K7R640982M Datasheet(PDF) 6 Page - Samsung semiconductor |
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K7R640982M Datasheet(HTML) 6 Page - Samsung semiconductor |
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6 / 20 page  2Mx36 & 4Mx18 & 8Mx9 QDRTM II b2 SRAM K7R643682M K7R641882M K7R640982M - 6 - Rev. 1.3 March 2007 PIN CONFIGURATIONS(TOP VIEW) K7R640982M(8Mx9) Notes: 1. BW controls write to D0:D8. 1 2 3 4 5 6 7 8 9 10 11 A CQ SA SA W NC K NC R SA SA CQ B NC NC NC SA NC K BW SA NC NC Q3 C NC NC NC VSS SA SA SA VSS NC NC D3 D NC D4 NC VSS VSS VSS VSS VSS NC NC NC E NC NC Q4 VDDQ VSS VSS VSS VDDQ NC D2 Q2 F NC NC NC VDDQ VDD VSS VDD VDDQ NC NC NC G NC D5 Q5 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 Q1 D1 K NC NC NC VDDQ VDD VSS VDD VDDQ NC NC NC L NC Q6 D6 VDDQ VSS VSS VSS VDDQ NC NC Q0 M NC NC NC VSS VSS VSS VSS VSS NC NC D0 N NC D7 NC VSS SA SA SA VSS NC NC NC P NC NC Q7 SA SA C SA SA NC D8 Q8 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 SA 2A,3A,9A,10A,4B,8B,5C-7C,5N-7N,4P,5P,7P,8P,3R-5R,7R-9R Address Inputs D0-8 11M,11J,10E,11C,2D,2G,3L,2N,10P Data Inputs Q0-8 11L,10J,11E,11B,3E,3G,2L,3P,11P Data Outputs W 4A Write Control Pin, active when low R 8A Read Control Pin, active when low BW 7B Nibble 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,5A,1B,2B,3B,5B,9B,10B,1C,2C,3C,9C,10C,1D,3D,9D,10D, 11D,1E,2E,9E,1F,2F,3F,9F,10F,11F,1G,9G,10G,11G,1J,2J,3J,9J 1K,2K,3K,10K,11K,9K,1L,9L,10L,1M,2M,3M,9M,10M,1N,3N,9N 10N,11N,1P,2P,9P No Connect 3 |
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