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W631GG6KB12I Datasheet(PDF) 10 Page - Winbond |
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W631GG6KB12I Datasheet(HTML) 10 Page - Winbond |
10 / 158 page W631GG6KB Publication Release Date: Feb. 27, 2013 Revision A04 - 10 - E3, F7, F2, F8, H3, H8, G2, H7 DQL0 −DQL7 Input/Output Data Input/Output: Lower byte of Bi-directional data bus. D7, C3, C8, C2, A7, A2, B8, A3 DQU0 −DQU7 Input/Output Data Input/Output: Upper byte of Bi-directional data bus. F3, G3 DQSL, DQSL# Input/Output Lower byte data Strobe: Data Strobe output with read data, input with write data of DQL[7:0]. Edge-aligned with read data, centered in write data. DQSL is paired with DQSL# to provide differential pair signaling to the system during read and write data transfer. DDR3 SDRAM supports differential data strobe only and does not support single- ended. C7, B7 DQSU, DQSU# Input/Output Upper byte data Strobe: Data Strobe output with read data, input with write data of DQU[7:0]. Edge-aligned with read data, centered in write data. DQSU is paired with DQSU# to provide differential pair signaling to the system during read and write data transfer. DDR3 SDRAM supports differential data strobe only and does not support single- ended. B2, D9, G7, K2, K8, N1, N9, R1, R9 VDD Supply Power Supply: 1.5V ± 0.075V. A9, B3, E1, G8, J2, J8, M1, M9, P1, P9, T1, T9 VSS Supply Ground. A1, A8, C1, C9, D2, E9, F1, H2, H9 VDDQ Supply DQ Power Supply: 1.5V ± 0.075V. B1, B9, D1, D8, E2, E8, F9, G1, G9 VSSQ Supply DQ Ground. H1 VREFDQ Supply Reference voltage for DQ. M8 VREFCA Supply Reference voltage for Control, Command and Address inputs. L8 ZQ Supply External reference ball for output drive and On-Die Termination Impedance calibration: This ball needs an external 240 Ω ± 1% external resistor (RZQ), connected from this ball to ground to perform ZQ calibration. J1, J9, L1, L9, M7, T3, T7 NC No Connect: No internal electrical connection is present. Note: Input only balls (BA0-BA2, A0-A12, RAS#, CAS#, WE#, CS#, CKE, ODT and RESET#) do not supply termination. |
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