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參數(shù)資料
| 型號(hào)： | MT9KDF12872PZ-1G6XX |
| 元件分類： | DRAM |
| 英文描述： | 128M X 72 DDR DRAM MODULE, DMA240 |
| 封裝： | HALOGEN FREE, MO-269, RDIMM-240 |
| 文件頁數(shù)： | 8/25頁 |
| 文件大小： | 401K |
| 代理商： | MT9KDF12872PZ-1G6XX |
Temperature Sensor with Serial Presence-Detect EEPROM
The temperature sensor continuously monitors the module’s temperature and can be
read back at any time over the I2C bus shared with the SPD EEPROM.
Table 14: Temperature Sensor with Serial Presence-Detect EEPROM Operating Conditions
Parameter/Condition
Symbol
Min
Max
Units
Supply voltage
VDDSPD
+3.0
+3.6
V
Supply current: VDD = 3.3V
IDD
–
+2.0
mA
Input high voltage: Logic 1; SCL, SDA
VIH
+1.45
VDDSPD + 1
V
Input low voltage: Logic 0; SCL, SDA
VIL
–
+0.55
V
Output low voltage: IOUT = 2.1mA
VOL
–
+0.4
V
Input current
IIN
–5.0
+5.0
A
Temperature sensing range
–
–40
+125
°C
Temperature sensor accuracy (class B)
–
–1.0
+1.0
°C
Table 15: Sensor and EEPROM Serial Interface Timing
Parameter/Condition
Symbol
Min
Max
Units
Time bus must be free before a new transition can
start
tBUF
4.7
–
s
SDA fall time
tF
20
300
ns
SDA rise time
tR
–
1,000
ns
Data hold time
tHD:DAT
200
900
ns
Start condition hold time
tH:STA
4.0
–
s
Clock HIGH period
tHIGH
4.0
50
s
Clock LOW period
tLOW
4.7
–
s
SCL clock frequency
tSCL
10
100
kHz
Data setup time
tSU:DAT
250
–
ns
Start condition setup time
tSU:STA
4.7
–
s
Stop condition setup time
tSU:STO
4.0
–
s
EVENT# Pin
The temperature sensor also adds the EVENT# pin (open drain). Not used by the SPD
EEPROM, EVENT# is a temperature sensor output used to flag critical events that can
be set up in the sensor’s configuration register.
EVENT# has three defined modes of operation: interrupt mode, compare mode, and
critical temperature mode. The open-drain output of EVENT# under the three separate
operating modes is illustrated below. Event thresholds are programmed in the 0x01 reg-
ister using a hysteresis. The alarm window provides a comparison window, with upper
and lower limits set in the alarm upper boundary register and the alarm lower boun-
dary register, respectively. When the alarm window is enabled, EVENT# will trigger
whenever the temperature is outside the MIN or MAX values set by the user.
1GB, 2GB (x72 SR) 240-Pin Halogen-Free 1.35V DDR3 RDIMM
Temperature Sensor with Serial Presence-Detect EEPROM
PDF: 09005aef83c0f177
kdf9c128_256x72pz.pdf – Rev. A 08/09
16
Micron Technology, Inc. reserves the right to change products or specifications without notice.
2009 Micron Technology, Inc. All rights reserved.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT9KDF25672AZ-1G4K1 | 制造商:Micron Technology Inc 功能描述:2GB 256MX72 DDR3 SDRAM MODULE COMMERCIAL PBF VLPDIMM GREEN 1 - Bulk 制造商:Micron Technology Inc 功能描述:MODULE DDR3 2GB EUDIMM |
| MT9KDF25672PZ-1G1D1 | 制造商:Micron Technology Inc 功能描述:2GB 256MX72 DDR3 SDRAM MODULE PBF VLPDIMM GREEN 1.35V REG - Trays |
| MT9KDF25672PZ-1G4D1 | 功能描述:MODULE DDR3 SDRAM 2GB 240RDIMM RoHS:是 類別:存儲(chǔ)卡，模塊 >> 存儲(chǔ)器 - 模塊 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 存儲(chǔ)器類型:SDRAM 存儲(chǔ)容量:1GB 速度:133MHz 特點(diǎn):- 封裝/外殼:168-DIMM |
| MT9KDF25672PZ-1G4DZES | 制造商:Micron Technology Inc 功能描述:MT9KDF25672PZ-1G4DZES - Trays |
| MT9KDF25672PZ-1G4H1 | 制造商:Micron Technology Inc 功能描述:2GB 256MX72 DDR3 SDRAM MODULE PBF DIMM GREEN 1.35V REGISTERE - Trays |
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