hm5216805 Renesas Electronics Corporation., hm5216805 Datasheet - Page 28

• Manufacturer Part Number: hm5216805
• Description: 16 M Lvttl Interface Sdram 100 Mhz/83 Mhz 1-mword 8-bit 2-bank/2-mword 4-bit 2-bank - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

HM5216805 Series, HM5216405 Series
CAS Latency = 3, Burst Length = full page
Burst stop command at burst write: The burst stop command (BST command) is used to stop data input
during a full-page burst write. No data is written in the same cycle as the BST command, and in
subsequent cycles. In addition, the BST command is only valid during full-page burst mode, and is invalid
with burst lengths of 1, 2, 4 and 8. And an interval of t
next precharge command.
Burst Length = full page
I/O (input)
28
Command
I/O (output)
Command
CLK
CLK
out
in
out
in
I
BSW
out
= 0 cycle
t
BST
DPL
out
DPL
is required between the BST command and the
out
BST
l
BSR
= 2 cycle
PRE/PALL
out
out
l
BSH
= 3 cycle