EtronTech
EM638165
The WE# signal defines the operation commands in conjunction
WE#
Input
Write Enable:
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.
LDQM,
UDQM
Input
Data Input/Output Mask:
Controls output buffers in read mode and masks
Input data in write mode.
DQ0-DQ15
Input /
Output
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.
NC/RFU
VDDQ
-
No Connect:
These pins should be left unconnected.
Supply
DQ Power:
Provide isolated power to DQs for improved noise immunity.
( 3.3V± 0.3V )
DQ Ground:
( 0 V )
VSSQ
Supply
Provide isolated ground to DQs for improved noise immunity.
VDD
VSS
Supply
Supply
Power Supply:
Ground
+3.3V ± 0.3V
Preliminary
Rev 0.6
Feb. 2001
4
ETRON [ ETRON TECHNOLOGY, INC. ]
