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W632GU8KB Datasheet(PDF) 10 Page - Winbond |
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W632GU8KB Datasheet(HTML) 10 Page - Winbond |
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10 / 160 page  W632GU8KB Publication Release Date: Jan. 20, 2015 Revision: A05 - 10 - B3, C7,C2, C8, E3, E8, D2, E7 DQ0 −DQ7 Input/Output Data Input/Output: Lower byte of Bi-directional data bus. C3, D3 DQS, DQS# Input/Output Data Strobe: Output with read data, input with write data. Edge- aligned with read data, centered in write data. DQS is paired with DQS# to provide differential pair signaling to the system during read and write data transfer. DDR3L SDRAM supports differential data strobe only and does not support single-ended. B7, A7 TDQS, TDQS# Output Termination Data Strobe: When TDQS enabled via Mode Register A11 = 1 in MR1, the DRAM will enable the same termination resistance function on TDQS/TDQS# that is applied to DQS/DQS#. When TDQS disabled via mode register A11 = 0 in MR1, DM/TDQS will provide the data mask function and TDQS# is not used. A2, A9, D7, G2, G8, K1, K9, M1, M9 VDD Supply Power Supply: 1.283V to 1.45V operational. A1, A8, B1, D8, F2, F8, J1, J9, L1, L9, N1, N9 VSS Supply Ground. B9, C1, E2, E9 VDDQ Supply DQ Power Supply: 1.283V to 1.45V operational. B2, B8, C9, D1, D9 VSSQ Supply DQ Ground. E1 VREFDQ Supply Reference voltage for DQ. J8 VREFCA Supply Reference voltage for Control, Command and Address inputs. H8 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. A3, F1, F9, H1, H9, J7 NC No Connect: No internal electrical connection is present. Note: Input only balls (BA0-BA2, A0-A14, RAS#, CAS#, WE#, CS#, CKE, ODT and RESET#) do not supply termination. |
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