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MR18R1628EG0-CT9 Datasheet(PDF) 5 Page - Samsung semiconductor |
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MR18R1628EG0-CT9 Datasheet(HTML) 5 Page - Samsung semiconductor |
5 / 16 page Page 4 MR16R1624(8/G)EG0 MR18R1624(8/G)EG0 Version 1.0 May 2004 RCOL4.. RCOL0 A73, B73, A71, B71, A69 IRSL Column bus. 5-bit bus containing control and address infor- mation for column accesses. RCTM A79 IRSL Clock to master. Interface clock used for transmitting RSL signals to the Channel. Positive polarity. RCTMN A81 IRSL Clock to master. Interface clock used for transmitting RSL signals to the Channel. Negative polarity. RDQA8.. RDQA0 A91, B91, A89, B89, A87, B87, A85, B85, A83 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. RDQA8 is non-functional on modules x16 RDRAM devices. RDQB8.. RDQB0 B61, A61, B63, A63, B65, A65, B67, A67, B69 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. RDQB8 is non-functional on modules x16 RDRAM devices. RROW2.. RROW0 B77, A75, B75 IRSL Row bus. 3-bit bus containing control and address information for row accesses. RSCK A59 IVCMOS Serial Clock input. Clock source used to read from and write to the RDRAM control registers. SA0 B53 ISVDD Serial Presence Detect Address 0. SA1 B55 ISVDD Serial Presence Detect Address 1. SA2 B57 ISVDD Serial Presence Detect Address 2. SCL A53 ISVDD Serial Presence Detect Clock. SDA A55 I/O SVDD Serial Presence Detect Data (Open Collector I/O). SIN B36 I/O VCMOS Serial I/O for reading from and writing to the control registers. Attaches to SIO0 of the first RDRAM device on the module. SOUT A36 I/O VCMOS Serial I/O for reading from and writing to the control registers. Attaches to SIO1 of the last RDRAM device on the module. SVDD A56, B56 SPD Voltage. Used for signals SCL, SDA, SWE, SA0, SA1 and SA2. SWP A57 ISVDD Serial Presence Detect Write Protect (active high). When low, the SPD can be written as well as read. VCMOS A35, B35, A37, B37 CMOS I/O Voltage. Used for signals CMD, SCK, SIN, SOUT. Vdd A41, A42, A54, A58, B41, B42, B54, B58 Supply voltage for the RDRAM core and interface logic. Vref A51, B51 Logic threshold reference voltage for RSL signals. Signal Pins I/O Type Description |
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