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GS82583EQ18GK-400I 데이터시트(PDF) 6 Page - GSI Technology

부품명 GS82583EQ18GK-400I
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제조업체  GSI [GSI Technology]
홈페이지  http://www.gsitechnology.com
Logo GSI - GSI Technology

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GS82583EQ18/36GK-500/450/400
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.06 8/2017
6/26
© 2014, GSI Technology
Power-Up and Reset Requirements
For reliability purposes, power supplies must power up simultaneously, or in the following sequence:
VSS, VDD, VDDQ, VREF and inputs.
Power supplies must power down simultaneously, or in the reverse sequence.
After power supplies power up, the following start-up sequence must be followed.
Step 1 (Recommended, but not required): Assert RST High for at least 1ms.
While RST is asserted high:
• The DLL is disabled.
• The states of R, and W control inputs are ignored.
Note: If possible, RST should be asserted High before input clocks begin toggling, and remain asserted High until input clocks are
stable and toggling within specification, in order to prevent unstable, out-of-spec input clocks from causing trouble in the SRAM.
Step 2: Begin toggling input clocks.
After input clocks begin toggling, but not necessarily within specification:
• Q are placed in the non-Read state, and remain so until the first Read operation.
• QVLD are driven Low, and remain so until the first Read operation.
• CQ, CQ begin toggling, but not necessarily within specification.
Step 3: Wait until input clocks are stable and toggling within specification.
Step 4: De-assert RST Low (if asserted High).
Step 5: Wait at least 160K (163,840) cycles.
During this time:
• Driver and ODT impedances are calibrated. Can take up to 160K cycles.
Note: The DLL pin may be asserted High or de-asserted Low during this time. If asserted High, DLL synchronization begins
immediately after the driver and ODT impedances are calibrated. If de-asserted Low, DLL synchronization begins after the DLL
pin is asserted High (see Step 6). In either case, Step 7 must follow thereafter.
Step 6: Assert DLL pin High (if de-asserted Low).
Step 7: Wait at least 64K (65,536) cycles for the DLL to lock.
After the DLL has locked:
• CQ, CQ begin toggling within specification.
Step 8: Begin initiating Read and Write operations.
Reset Usage
Although not generally recommended, RST may be asserted High at any time after completion of the initial power-up sequence
described above, to reset the SRAM control logic to its initial power-on state. However, whenever RST is subsequently de-asserted
Low (as in Step 4 above), Steps 5~7 above must be followed before Read and Write operations are initiated.
Note: Memory array content may be perturbed/corrupted when RST is asserted High.


유사한 부품 번호 - GS82583EQ18GK-400I

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GS82583EQ18GK-400 GSI-GS82583EQ18GK-400 Datasheet
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유사한 설명 - GS82583EQ18GK-400I

제조업체부품명데이터시트상세설명
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GS82583ED18GK-500 GSI-GS82583ED18GK-500 Datasheet
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   8Mb x 36 and 16Mb x 18 organizations available
GS82583EQ18GK-500I GSI-GS82583EQ18GK-500I Datasheet
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   8Mb x 36 and 16Mb x 18 organizations available
GS82583EQ36GK-500 GSI-GS82583EQ36GK-500 Datasheet
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   8Mb x 36 and 16Mb x 18 organizations available
GS82583ED18GK-550 GSI-GS82583ED18GK-550 Datasheet
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   8Mb x 36 and 16Mb x 18 organizations available
GS82583ED18GK-625 GSI-GS82583ED18GK-625 Datasheet
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GS82583ED18GK-675I GSI-GS82583ED18GK-675I Datasheet
470Kb / 26P
   8Mb x 36 and 16Mb x 18 organizations available
GS82583EQ18GK-450 GSI-GS82583EQ18GK-450 Datasheet
463Kb / 26P
   8Mb x 36 and 16Mb x 18 organizations available
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