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46DR16640A датащи(PDF) 2 Page - Integrated Silicon Solution, Inc |
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46DR16640A датащи(HTML) 2 Page - Integrated Silicon Solution, Inc |
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2 / 28 page ![]() IS43/46DR81280A, IS43/46DR16640A Integrated Silicon Solution, Inc. – www.issi.com – 2 Rev. D, 08/30/2011 Package Ball‐out and Description DDR2 SDRAM (128Mx8) TW‐BGA Ball‐out (Top‐View) (8.00mm x 13.65mm Body, 0.8mm pitch) Description Input clocks Clock enable Chip Select Command control pins Address Bank Address I/O Data Strobe Redundant Data Strobe Input data mask Supply voltage Ground DQ power supply DQ ground Reference voltage DLL power supply DLL ground On Die Termination Enable No connect Symbol CK, CK# CKE CS# RAS#,CAS#,WE# A[13:0] BA[2:0] DQ[7:0] DQS, DQS# RDQS, RDQS# DM VDD VDDL VSSDL NC VSS VDDQ VSSQ VREF ODT Notes: 1. Pins B3 and A2 have identical capacitance as pins B7 and A8. 2. For a read, when enabled, strobe pair RDQS & RDQS# are identical in function and timing to strobe pair DQS & DQS# and input masking function is disabled. 3. The function of DM or RDQS/RDQS# are enabled by EMRS command. 4. VDDL and VSSDL are power and ground for the DLL. |
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