SMJ626162 Datasheet, PDF (23/42 Pages) Texas Instruments – 524288 BY 16-BIT BY 2-BANK SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORY

SMJ626162
524288 BY 16-BIT BY 2-BANK
SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORY
SGMS737C – JULY 1997 – REVISED MARCH 1999
PARAMETER MEASUREMENT INFORMATION
CLK
CKE
Last Data-In
WRT
(WRT-P)
Operation
Last
Data-Out
READ
(READ-P)
Operation
tCEH
Enter
power-down
mode
CLK is don’t
care, but
must be
stable
before CKE
high
Exit
power-down
mode if tCESP is
satisfied (new
command)
tCES
tCESP
CLK
CKE
Last Data-In
WRT
(WRT-P)
Operation
Last
Data-Out
READ
(READ-P)
Operation
Enter
power-down
mode
CLK is don’t
care, but
must be
stable
before CKE
high
tCEH
tCES
Figure 18. Power-Down Operation
DESL or
NOOP
command
only if tCESP
is not
satisfied
Exit power-down
mode (new
command)
tCESP
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