MT18JSF25672PDY-1G1D1 Micron Technology Inc, MT18JSF25672PDY-1G1D1 Datasheet - Page 16

• Manufacturer Part Number: MT18JSF25672PDY-1G1D1
• Manufacturer: Micron Technology Inc

Specifications of MT18JSF25672PDY-1G1D1

• Main Category: DRAM Module
• Sub-category: DDR3 SDRAM
• Module Type: 240RDIMM
• Device Core Size: 72b
• Organization: 256Mx72
• Total Density: 2GByte
• Chip Density: 1Gb
• Maximum Clock Rate: 1.066GHz
• Operating Supply Voltage (typ): 1.5V
• Operating Current: 1.53A
• Number Of Elements: 18
• Operating Supply Voltage (max): 1.575V
• Operating Supply Voltage (min): 1.425V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Pin Count: 240
• Mounting: Socket
• Lead Free Status / RoHS Status: Compliant

Table 18:
Configuration Register
Table 19:
Table 20:
PDF: 09005aef8304aded/Source: 09005aef8304ae2b
JSF18C256x72PD.fm - Rev. A 4/08 EN
Critical lock
15:5
Bit
Bit
4:3
0
1
2
0
1
2
3
4
RFU
15
bit
7
Description
Basic capability
1: Has alarm and critical trip point capabilities
Accuracy
0: ±2°C over the active range and ±3°C over the monitor range
1: ±1°C over the active range and ±2°C over the monitor range
Wider range
0: Temperatures lower than 0°C are clamped to a binary value of 0
1: Temperatures below 0°C can be read
Temperature resolution
00: 0.5°C LSB
01: 0.25°C LSB
10: 0.125°C LSB
11: 0.0625°C LSB
0: Must be set to zero
Description
Event mode
0: Comparator mode
1: Interrupt mode
EVENT# polarity
0: Active LOW
1: Active HIGH
Critical event only
0: EVENT# trips on alarm or critical temperature event
1: EVENT# trips only if critical temperature is reached
Event output control
0: Event output disabled
1: Event output enabled
Event status
0: EVENT# has not been asserted by this device
1: EVENT# is being asserted due to an alarm window or
critical temperature condition
Capability Register Bit Descriptions
Configuration Register (Address: 0x01)
Configuration Register Bit Descriptions
Alarm lock bit
RFU
14
6
Clear event
RFU
13
5
Temperature Sensor with Serial Presence-Detect EEPROM
Event output
status
RFU
12
4
2GB (x72, ECC, DR) 240-Pin DDR3 SDRAM RDIMM
Bit
Bit
16
Event output
control
Notes
Event mode cannot be changed if either of the lock bits
is set.
EVENT# polarity cannot be changed if either of the lock
bits is set.
This is a read-only field in the register. The event
causing the event can be determined from the read
temperature register.
RFU
11
3
Micron Technology, Inc., reserves the right to change products or specifications without notice.
Critical event
only
10
2
Hysteresis
Event polarity
©2008 Micron Technology, Inc. All rights reserved
9
1
Event mode
Shutdown
mode
8
0