UTRON
Preliminary Rev. 0.91
UT52L1616
1M X 16 BIT SDRAM
Active / Prechange Power Down Mode (CL=2 , BL=4)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
CLK
tss
tss
tss
CKE
CE
RAS
ADD
Ra
Ca
A11
A10
DQ
Ra
tSHZ
Qa0 Qa1 Qa2
WE
DQM
Precharge
power-down
exit
Row
Read
active
Precharge
power-down Active
Active
exit
power-down power-down
entry
exit
Precharge
: Don't care
UTRON TECHNOLOGY INC.
1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.
TEL: 886-3-5777882 FAX: 886-3-5777919
21
P90004