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IS46LR16640C Scheda tecnica(PDF) 10 Page - Integrated Silicon Solution, Inc

Il numero della parte IS46LR16640C
Spiegazioni elettronici  1Gb (x16, x32) Mobile DDR SDRAM
PDF  47 Pages
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Produttore elettronici  ISSI [Integrated Silicon Solution, Inc]
Homepage  http://www.issi.com
Logo ISSI - Integrated Silicon Solution, Inc

IS46LR16640C Scheda tecnica(HTML) 10 Page - Integrated Silicon Solution, Inc

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10
Rev. 0A | October 2022
www.issi.com - dram@issi.com
IS43/46LR32320C
IS43/46LR16640C
Figure 5.a : Extended Mode Set (EMRS) Register for x16
Address Bus
Extended Mode Register (Ex)
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
E2
E1
E0
Self Refresh Coverage
0
0
0
Four Banks
0
0
1
Two Bank (BA1=0)
0
1
0
One Bank (BA1=BA0=0)
0
1
1
Reserved
1
0
0
Reserved
1
0
1
One Eighth of Total Bank
(BA1 = BA0 = Row Address MSB=0)
1
1
0
One Sixteenth of Total Bank
(BA1 = BA0 = Row Address 2 MSBs=0)
1
1
1
Reserved
E7
E6
E5
Driver Strength
0
0
0
Full Strength
0
0
1
1/2 Strength
0
1
0
1/4 Strength
0
1
1
1/8 Strength
1
0
0
3/4 Strength
1
0
1
Reserved
1
1
0
Reserved
1
1
1
Reserved
BA0
BA1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
0
0
0
0
0
0
0
DS
0
0
PASR
Note:
1. E15(BA1) = 1 and E14(BA0) = 0 to select Extended Mode Register
2. Contact ISSI MKT for 3/4 Strength instead of 1/8 Strength at E7(A7) ~ E5(A5) = 011.
A12
A13
(2)
Figure 5.b : Extended Mode Set (EMRS) Register for x32
Address Bus
Extended Mode Register (Ex)
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
E2
E1
E0
Self Refresh Coverage
0
0
0
Four Banks
0
0
1
Two Bank (BA1=0)
0
1
0
One Bank (BA1=BA0=0)
0
1
1
Reserved
1
0
0
Reserved
1
0
1
One Eighth of Total Bank
(BA1 = BA0 = Row Address MSB=0)
1
1
0
One Sixteenth of Total Bank
(BA1 = BA0 = Row Address 2 MSBs=0)
1
1
1
Reserved
E7
E6
E5
Driver Strength
0
0
0
Full Strength
0
0
1
1/2 Strength
0
1
0
1/4 Strength
0
1
1
1/8 Strength
1
0
0
3/4 Strength
1
0
1
Reserved
1
1
0
Reserved
1
1
1
Reserved
BA0
BA1
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
0
0
0
0
0
0
DS
0
0
PASR
Note:
1. E14(BA1) = 1 and E13(BA0) = 0 to select Extended Mode Register
2. Contact ISSI MKT for 3/4 Strength instead of 1/8 Strength at E7(A7) ~ E5(A5) = 011.
A12
(2)



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