MT41J256M4JP-15E:G Micron Technology Inc, MT41J256M4JP-15E:G Datasheet - Page 63

• Manufacturer Part Number: MT41J256M4JP-15E:G
• Description: IC DDR3 SDRAM 1GBIT 78FBGA
• Manufacturer: Micron Technology Inc
• Series: -r

Specifications of MT41J256M4JP-15E:G

• Format - Memory: RAM
• Memory Type: DDR3 SDRAM
• Memory Size: 1G (256M x 4)
• Speed: 667MHz
• Interface: Parallel
• Voltage - Supply: 1.425 V ~ 1.575 V
• Operating Temperature: 0°C ~ 95°C
• Package / Case: 78-TFBGA
• Lead Free Status / RoHS Status: Supplier Unconfirmed

34 Ohm Driver
Table 37: 34 Ohm Driver Pull-Up and Pull-Down Impedance Calculations
Table 38: 34 Ohm Driver I
Table 39: 34 Ohm Driver I
PDF: 09005aef826aa906
1Gb_DDR3_SDRAM.pdf – Rev. J 05/10 EN
MR1[5,1]
MR1[5,1]
MR1[5,1]
0, 1
0, 1
0, 1
34.3Ω
34.3Ω
R
R
34.3Ω
ON
ON
R
ON
RZQ/7 = (240Ω ±1%)/7
RZQ = 240Ω ±1%
Resistor
Resistor
R
R
R
R
The 34Ω driver’s current range has been calculated and summarized in Table 38
(page 63) V
V
are defined as follows:
• R
• R
ON34(PD)
ON34(PU)
ON34(PD)
ON34(PU)
R
DD
ON
OH
OH
ON34(PD)
ON34(PU)
Resistor
R
R
= 1.42V. The individual pull-up and pull-down resistors (R
/I
/I
ON34(PD)
ON34(PU)
OL
OL
Characteristics: V
Characteristics: V
DD
= (V
= (V
I
I
I
I
I
I
I
I
I
I
I
I
= 1.5V, Table 39 (page 63) for V
OH
OH
OH
OH
OH
OH
OL
OL
OL
OL
OL
OL
DDQ
OUT
@ 0.2 × V
@ 0.5 × V
@ 0.8 × V
@ 0.2 × V
@ 0.5 × V
@ 0.8 × V
@ 0.2 × V
@ 0.5 × V
@ 0.8 × V
@ 0.2 × V
@ 0.5 × V
@ 0.8 × V
V
V
)/|I
0.2 × V
0.5 × V
0.8 × V
0.2 × V
0.5 × V
0.8 × V
- V
OUT
OUT
V
OUT
OUT
OUT
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
|; R
)/|I
DD
DD
ON34(PU)
63
OUT
= V
= V
|; R
DDQ
DDQ
ON34(PD)
Max
Max
237.6
14.7
24.6
39.3
39.3
24.6
14.7
15.5
25.8
41.2
41.2
25.8
15.5
Min
33.9
Min
20.4
30.5
30.5
30.5
30.5
20.4
is turned off
Micron Technology, Inc. reserves the right to change products or specifications without notice.
= 1.5V
= 1.575V
is turned off
DD
1Gb: x4, x8, x16 DDR3 SDRAM
= 1.57V, and Table 40 (page 64) for
Nom
Nom
Nom
Nom
21.9
35.0
35.0
21.9
36.8
36.8
34.3
34.3
34.3
34.3
34.3
34.3
34.3
240
8.8
8.8
9.2
9.2
23
23
Output Driver Impedance
© 2006 Micron Technology, Inc. All rights reserved.
ON34(PD)
242.4
Max
Max
Min
19.7
24.8
24.8
19.7
Min
20.7
20.7
34.6
38.1
38.1
48.5
48.5
38.1
38.1
7.9
7.9
8.3
8.3
26
26
and R
ON34(PU)
Units
Units
Units
Units
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
)