-
interval (tREF = 64 ms is a
common value). All
banks must be idle (closed,
precharged) when this
command is issued. As mentioned, the
clock enable (CKE) input...
- equal. The
precharge circuit is
switched off.
Because the bit-lines are
relatively long, they have
enough capacitance to
maintain the
precharged voltage...
-
combination of a
conventional SDRAM's
precharge and
refresh commands. The POPx and BPx bits
specify a
precharge operation,
while the ROPx, DELRx, and...
- charging; that
allows them to be sold
precharged.
Since then many
other makes of NiMH
batteries are
supplied precharged, with long
charge retention. Since...
-
either one or two
cycles with 14-bit bus. Some
simple commands (e.g.
precharge) take one cycle,
while any that
include an
address (activate, read, write)...
- to
select command variants: auto-
precharge on read and
write commands, and one bank vs. all
banks for the
precharge command. It also
selects two variants...
- Therefore, bit
lines are
traditionally precharged to high voltage. Many
researchers are also
trying to
precharge at a
slightly low
voltage to
reduce the...
-
similar to
those of
normal SDRAM,
except for the re****ignment of the
precharge and
burst terminate opcodes:
Column address bit C0 is
never transferred...
- word line is active, the
array is idle and the bit
lines are held in a
precharged state, with a
voltage halfway between high and low. This indeterminate...
-
dynamic logic gates, the gate
output is
precharged to the
power supply voltage while the
clock is off (the "
precharge" phase), and then is
evaluated to the...
