mt18jsf25672az Micron Semiconductor Products, mt18jsf25672az Datasheet - Page 5

• Manufacturer Part Number: mt18jsf25672az
• Description: 2gb, 4gb X72, Ecc, Dr 240-pin Ddr3 Sdram Udimm
• Manufacturer: Micron Semiconductor Products

Table 6: Pin Descriptions (Continued)
PDF: 09005aef83606b46
jsf18c256_512x72az.pdf – Rev. B 5/09
Symbol
EVENT#
Vddspd
VrefDQ
VrefCA
Vdd
Vss
Vtt
NU
NC
(open drain)
Output
Supply
Supply
Supply
Supply
Supply
Supply
Type
–
–
Description
Temperature event: The EVENT# pin is asserted by the temperature sensor when criti-
cal temperature thresholds have been exceeded.
Power supply: 1.5V ±0.075V.
Serial EEPROM positive power supply: +3.0V to +3.6V. The component Vdd and
Vddq are connected to the module Vdd.
Reference voltage: Control, command, and address (Vdd/2).
Reference voltage: DQ, DM (Vdd/2).
Ground.
Termination voltage: Used for control, command, and address (Vdd/2).
No connect: These pins are not connected on the module.
Not usable: No connections allowed.
2GB, 4GB (x72, ECC, DR) 240-Pin DDR3 SDRAM UDIMM
5
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Pin Assignments and Descriptions
© 2009 Micron Technology, Inc. All rights reserved.