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MR18R16224DF0 Datasheet(PDF) 4 Page - Samsung semiconductor |
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MR18R16224DF0 Datasheet(HTML) 4 Page - Samsung semiconductor |
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4 / 16 page  Page 3 Version 1.0 July 2002 MR16R1622(4/8/G)DF0 MR18R1622(4/8/G)DF0 Table 3: Module Connector Pad Description Signal Pins I/O Type Description Gnd A1, A3, A5, A7, A9, A11, A13, A15, A17, A19, A21, A23, A25, A27, A29, A31, A33, A39, A52, A60, A62, A64, A66, A68, A70, A72, A74, A76, A78, A80, A82, A84, A86, A88, A90, A92, B1, B3, B5, B7, B9, B11, B13, B15, B17, B19, B21, B23, B25, B27, B29, B31, B33, B39, B52, B60, B62, B64, B66, B68, B70, B72, B74, B76, B78, B80, B82, B84, B86, B88, B90, B92 Ground reference for RDRAM core and interface. 72 PCB connector pads. LCFM B10 IRSL Clock from master. Interface clock used for receiving RSL signals from the Channel. Positive polarity. LCFMN B12 IRSL Clock from master. Interface clock used for receiving RSL signals from the Channel. Negative polarity. LCMD B34 IVCMOS Serial Command used to read from and write to the control registers. Also used for power management. LCOL4.. LCOL0 A20, B20, A22, B22, A24 IRSL Column bus. 5-bit bus containing control and address infor- mation for column accesses. LCTM A14 IRSL Clock to master. Interface clock used for transmitting RSL signals to the Channel. Positive polarity. LCTMN A12 IRSL Clock to master. Interface clock used for transmitting RSL signals to the Channel. Negative polarity. LDQA8.. LDQA0 A2, B2, A4, B4, A6, B6, A8, B8, A10 I/O RSL Data bus A. A 9-bit bus carrying a byte of read or write data between the Channel and the RDRAM device. LDQA8 is non-functional on modules with x16 RDRAM devices LDQB8.. LDQB0 B32, A32, B30, A30, B28, A28, B26, A26, B24 I/O RSL Data bus B. A 9-bit bus carrying a byte of read or write data between the Channel and the RDRAM device. LDQB8 is non- functional on modules with x16 RDRAM devices. LROW2.. LROW0 B16, A18, B18 IRSL Row bus. 3-bit bus containing control and address information for row accesses. LSCK A34 IVCMOS Serial Clock input. Clock source used to read from and write to the RDRAM control registers. NC A16, B14, A38, B38, A40, B40, A43, B43, A44, B44, A45, B45, A46, B46, A47, B47, A48, B48, A49, B49, A50, B50, A77, B79 These pads are not connected. These 24 connector pads are reserved for future use. RCFM B83 IRSL Clock from master. Interface clock used for receiving RSL signals from the Channel. Positive polarity. RCFMN B81 IRSL Clock from master. Interface clock used for receiving RSL signals from the Channel. Negative polarity. RCMD B59 IVCMOS Serial Command Input. Pin used to read from and write to the control registers. Also used for power management. |
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