MT49H64M9CHT-25:A Micron Technology Inc, MT49H64M9CHT-25:A Datasheet - Page 58

• Manufacturer Part Number: MT49H64M9CHT-25:A
• Manufacturer: Micron Technology Inc
• Type: RLDRAMr

Specifications of MT49H64M9CHT-25:A

• Organization: 64Mx9
• Address Bus: 25b
• Operating Supply Voltage (typ): 1.8V
• Package Type: FBGA
• Operating Temp Range: 0C to 95C
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 675mA
• Pin Count: 144
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

Figure 36:
PDF: 09005aef815b2df8/Source: 09005aef811ba111
576Mb_RLDRAM_II_SIO_Core2.fm - Rev. F 6/09 EN
Mode Register Definition in Multiplexed Address Mode
Notes:
1. Bits A10–A18 must be set to zero.
2. Ay = 8 not used in MRS.
3. BL = 8 is not available.
4. ±30% temperature variation.
5. DLL RESET turns the DLL off.
6. Available only in 576Mb device.
7. BA0–BA2 are “Don’t Care.”
8. Addresses A0, A3, A4, A5, A8, and A9 must be set as shown in order to activate the mode
M8
0
1
register in the multiplexed address mode.
Internal 50Ω 4 (default)
Drive Impedance
External (ZQ)
576Mb: x9, x18 2.5V Vext, 1.8V Vdd, HSTL, SIO, RLDRAM II
M9
0
1
Ax
Ay
On-Die Termination
Reserved 1
A18
A18
Off (default)
18–10
M7
On
. . .
. . .
0
1
M5
0
1
A10
A10
DLL reset 5 (default)
ODT
DLL enabled
9
A9
DLL Reset
Nonmultiplexed (default)
IM
58
8
A8
DLL NA 2
Address MUX
Multiplexed
7
A9
6
A8
AM
5
A5
Micron Technology, Inc., reserves the right to change products or specifications without notice.
4
A4
BL
3
A3
M2
0
0
0
0
1
1
1
1
2
A4
Config
M4
0
0
1
1
M1
0
0
1
1
0
0
1
1
1
A3
M3
M0
0
1
0
1
0
1
0
1
0
1
0
1
0
A0
Burst Length
Configuration
2 (default)
1 3 (default)
Reserved
Reserved
Reserved
Mode Register (Mx)
4 3,6
4
8
1 3
5 6
2
3
©2004 Micron Technology, Inc. All rights reserved.
Operations