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K7J641882M Datasheet(PDF) 4 Page - Samsung semiconductor |
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K7J641882M Datasheet(HTML) 4 Page - Samsung semiconductor |
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4 / 18 page  2Mx36 & 4Mx18 DDR II SIO b2 SRAM K7J643682M K7J641882M - 4 - Rev. 1.3 March 2007 PIN CONFIGURATIONS(TOP VIEW) K7J643682M(2Mx36) Notes : 1. * Checked No Connect(NC) pins are reserved for higher density address, i.e. 10A for 144Mb and 2A for 288Mb. 2. BW0 controls write to D0:D8, BW1 controls write to D9:D17, BW2 controls write to D18:D26 and BW3 controls write to D27:D35. 1 2 3 4 5 6 7 8 9 10 11 A CQ NC/SA* SA R/W BW2 K BW1 LD SA NC/SA* CQ B Q27 Q18 D18 SA BW3 KBW0 SA D17 Q17 Q8 C D27 Q28 D19 VSS SA SA SA VSS D16 Q7 D8 D D28 D20 Q19 VSS VSS VSS VSS VSS Q16 D15 D7 E Q29 D29 Q20 VDDQ VSS VSS VSS VDDQ Q15 D6 Q6 F Q30 Q21 D21 VDDQ VDD VSS VDD VDDQ D14 Q14 Q5 G D30 D22 Q22 VDDQ VDD VSS VDD VDDQ Q13 D13 D5 H Doff VREF VDDQ VDDQ VDD VSS VDD VDDQ VDDQ VREF ZQ J D31 Q31 D23 VDDQ VDD VSS VDD VDDQ D12 Q4 D4 K Q32 D32 Q23 VDDQ VDD VSS VDD VDDQ Q12 D3 Q3 L Q33 Q24 D24 VDDQ VSS VSS VSS VDDQ D11 Q11 Q2 M D33 Q34 D25 VSS VSS VSS VSS VSS D10 Q1 D2 N D34 D26 Q25 VSS SA SA SA VSS Q10 D9 D1 P Q35 D35 Q26 SA SA C SA SA Q9 D0 Q0 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 3A,9A,4B,8B,5C-7C,5N-7N,4P,5P,7P,8P,3R-5R,7R-9R Address Inputs D0-35 10P,11N,11M,10K,11J,11G,10E,11D,11C,10N,9M,9L 9J,10G,9F,10D,9C,9B,3B,3C,2D,3F,2G,3J,3L,3M,2N 1C,1D,2E,1G,1J,2K,1M,1N,2P Data Inputs Q0-35 11P,10M,11L,11K,10J,11F,11E,10C,11B,9P,9N,10L 9K,9G,10F,9E,9D,10B,2B,3D,3E,2F,3G,3K,2L,3N 3P,1B,2C,1E,1F,2J,1K,1L,2M,1P Data 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,BW2, BW3 7B,7A,5A,5B 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 10A,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 2A,10A No Connect 3 |
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