MT41J256M8DA-125:H Micron Technology Inc, MT41J256M8DA-125:H Datasheet - Page 65

• Manufacturer Part Number: MT41J256M8DA-125:H
• Manufacturer: Micron Technology Inc

Specifications of MT41J256M8DA-125:H

• Lead Free Status / Rohs Status: Supplier Unconfirmed

34 Ohm Driver
Table 39: 34 Ohm Driver Pull-Up and Pull-Down Impedance Calculations
Table 40: 34 Ohm Driver I
Table 41: 34 Ohm Driver I
PDF: 09005aef826aaadc
2Gb_DDR3_SDRAM.pdf – Rev. K 04/10 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 40
(page 65) 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 41 (page 65) 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)
65
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
2Gb: x4, x8, x16 DDR3 SDRAM
= 1.57V, and Table 42 (page 66) 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
)