MT18HTF25672AZ-667H1 Micron Technology Inc, MT18HTF25672AZ-667H1 Datasheet - Page 16

• Manufacturer Part Number: MT18HTF25672AZ-667H1
• Description: MODULE DDR2 SDRAM 2GB 240UDIMM
• Manufacturer: Micron Technology Inc
• Series: -r

Specifications of MT18HTF25672AZ-667H1

• Main Category: DRAM Module
• Sub-category: DDR2 SDRAM
• Module Type: 240UDIMM
• Device Core Size: 72b
• Organization: 256Mx72
• Total Density: 2GByte
• Chip Density: 1Gb
• Access Time (max): 900ns
• Maximum Clock Rate: 667MHz
• Operating Supply Voltage (typ): 1.8V
• Operating Current: 1.136A
• Number Of Elements: 18
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Pin Count: 240
• Mounting: Socket
• Memory Type: DDR2 SDRAM
• Memory Size: 2GB
• Speed: 667MT/s
• Features: -
• Package / Case: 240-UDIMM
• Lead Free Status / Rohs Status: Compliant

Table 12: DDR2 I
Values shown for MT47H256M8 DDR2 SDRAM only and are computed from values specified in the 2Gb (256 Meg x 8) com-
ponent data sheet
PDF: 09005aef83c6d17f
htf18c256_512x72az.fm - Rev. B 2/10 EN
Parameter
Operating bank interleave read current: All device banks interleaving reads; I
= 0mA; BL = 4, CL = CL (I
(I
commands; Address bus inputs are stable during deselects; Data bus inputs are switch-
ing
DD
),
t
RRD =
t
RRD (I
DD
DD
Notes:
),
Specifications and Conditions – 4GB (Continued)
t
DD
RCD =
), AL =
1. Value calculated as one module rank in this operating condition; all other module ranks
2. Value calculated reflects all module ranks in this operating condition.
t
RCD (I
t
in I
RCD (I
DD2P
DD
DD
); CKE is HIGH, S# is HIGH between valid
(CKE LOW) mode.
) - 1 ×
2GB, 4GB (x72, ECC, DR) 240-Pin DDR2 SDRAM UDIMM
t
CK (I
DD
);
t
CK =
16
t
CK (I
DD
Micron Technology, Inc. reserves the right to change products or specifications without notice.
),
t
RC =
t
RC
OUT
Symbol
I
DD7
1
© 2009 Micron Technology, Inc. All rights reserved.
I
DD
-80E/
-800
3200
Specifications
2800
-667
Units
mA