MT18VDDT6472AG-335G4 Micron Technology Inc, MT18VDDT6472AG-335G4 Datasheet - Page 32

• Manufacturer Part Number: MT18VDDT6472AG-335G4
• Description: MODULE SDRAM DDR 512MB 184DIMM
• Manufacturer: Micron Technology Inc

Specifications of MT18VDDT6472AG-335G4

• Memory Type: DDR SDRAM
• Memory Size: 512MB
• Speed: 333MT/s
• Package / Case: 184-DIMM
• Main Category: DRAM Module
• Sub-category: DDR SDRAM
• Module Type: 184UDIMM
• Device Core Size: 72b
• Organization: 64Mx72
• Total Density: 512MByte
• Chip Density: 256Mb
• Maximum Clock Rate: 333MHz
• Operating Supply Voltage (typ): 2.5V
• Operating Current: 1.611A
• Number Of Elements: 18
• Operating Supply Voltage (max): 2.7V
• Operating Supply Voltage (min): 2.3V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Pin Count: 184
• Mounting: Socket
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 21: Serial Presence-Detect EEPROM DC Operating Conditions
All voltages referenced to V
Table 22: Serial Presence-Detect EEPROM AC Operating Conditions
All voltages referenced to V
NOTE:
pdf: 09005aef808a331f, source: 09005aef80858037
DD18C32_64_128_256x72G.fm - Rev. E 9/04 EN
1. To avoid spurious START and STOP conditions, a minimum delay is placed between SCL = 1 and the falling or rising
2. This parameter is sampled.
3. For a reSTART condition, or following a WRITE cycle.
4. The SPD EEPROM WRITE cycle time (
PARAMETER/CONDITION
SUPPLY VOLTAGE
INPUT HIGH VOLTAGE: Logic 1; All inputs
INPUT LOW VOLTAGE: Logic 0; All inputs
OUTPUT LOW VOLTAGE: I
INPUT LEAKAGE CURRENT: V
OUTPUT LEAKAGE CURRENT: V
STANDBY CURRENT: SCL = SDA = V
POWER SUPPLY CURRENT: SCL clock frequency = 100 KHz
PARAMETER/CONDITION
SCL LOW to SDA data-out valid
Time the bus must be free before a new transition can start
Data-out hold time
SDA and SCL fall time
Data-in hold time
Start condition hold time
Clock HIGH period
Noise suppression time constant at SCL, SDA inputs
Clock LOW period
SDA and SCL rise time
SCL clock frequency
Data-in setup time
Start condition setup time
Stop condition setup time
WRITE cycle time
edge of SDA.
the EEPROM internal erase/program cycle. During the WRITE cycle, the EEPROM bus interface circuit is disabled, SDA
remains HIGH due to pull-up resistor, and the EEPROM does not respond to its slave address.
OUT
SS
SS
IN
; V
; V
= 3mA
OUT
= GND to V
DDSPD
DDSPD
DD
= GND to V
- 0.3V; All other inputs = V
= +2.3V to +3.6V
= +2.3V to +3.6V
t
WRC) is the time from a valid stop condition of a write sequence to the end of
DD
DD
256MB, 512MB, 1GB, 2GB (x72, ECC, SR)
32
SS
or V
DD
Micron Technology, Inc., reserves the right to change products or specifications without notice.
184-PIN DDR SDRAM RDIMM
SYMBOL
t
t
t
t
t
HD:DAT
HD:STA
SU:DAT
SU:STA
SU:STO
t
t
t
t
HIGH
LOW
f
WRC
t
t
BUF
SCL
AA
DH
t
t
t
SYMBOL
F
R
I
V
DDSPD
V
V
V
I
I
I
I
LO
CC
SB
OL
LI
IH
IL
MIN
200
100
0.2
1.3
0.6
0.6
1.3
0.6
0.6
V
0
DD
MIN
2.3
-1
–
–
–
–
–
x 0.7
MAX
©2004 Micron Technology, Inc. All rights reserved.
300
400
0.9
0.3
50
10
V
V
DD
DD
MAX
UNITS
3.6
0.4
KHz
10
10
30
ms
2
µs
µs
ns
ns
µs
µs
µs
ns
µs
µs
ns
µs
µs
+ 0.5
x 0.3
NOTES
UNITS
mA
µA
µA
µA
1
2
2
3
4
V
V
V
V