m52s64164a Elite Semiconductor Memory Technology Inc., m52s64164a Datasheet - Page 31

• Manufacturer Part Number: m52s64164a
• Description: 1m X 16 Bit X 4 Banks Synchronous Dram
• Manufacturer: Elite Semiconductor Memory Technology Inc.

ESMT
Power Up Sequence
Power-Up and Initialization Sequence
The following sequence is required for POWER UP and Initialization.
1. Apply power and attempt to maintain CKE at a low state (all other inputs may be undefined.)
2. Start clock and maintain stable condition for a minimum.
3. The minimum of 200us after stable power and clock (CLK,CLK),apply NOP & take CKE high.
4. Issue precharge commands for all banks of the device.
5. Issue 2 or more auto-refresh commands.
6. Issue mode register set command to initialize the mode register.
7. Issue extended mode register set command to set PASR and DS..
Elite Semiconductor Memory Technology Inc.
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Apply VDD before or at the same time as VDDQ
Apply VDDQ
Publication Date: Sep. 2008
Revision: 1.4
M52S64164A
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