EtronTech
EM639165
WE#
LDQM,
UDQM
DQ0-DQ15
NC/RFU
VDDQ
VSSQ
VDD
VSS
Input
Input
Input /
Output
-
Supply
Supply
Supply
Supply
Write Enable: The WE# signal defines the operation commands in conjunction
with the RAS# and CAS# signals and is latched at the positive edges of CLK.
The WE# input is used to select the BankActivate or Precharge command and
Read or Write command.
Data Input/Output Mask: Controls output buffers in read mode and masks
Input data in write mode.
Data I/O: The DQ0-15 input and output data are synchronized with the positive
edges of CLK. The I/Os are maskable during Reads and Writes.
No Connect: These pins should be left unconnected.
DQ Power: Provide isolated power to DQs for improved noise immunity.
( 3.3V± 0.3V )
DQ Ground: Provide isolated ground to DQs for improved noise immunity.
(0V)
Power Supply: +3.3V ± 0.3V
Ground
4
Rev 1.6 Feb. 2007