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IS46DR16640C Scheda tecnica(PDF) 38 Page - Integrated Silicon Solution, Inc

Il numero della parte IS46DR16640C
Spiegazioni elettronici  Differential data strobe
PDF  49 Pages
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Produttore elettronici  ISSI [Integrated Silicon Solution, Inc]
Homepage  http://www.issi.com
Logo ISSI - Integrated Silicon Solution, Inc

IS46DR16640C Scheda tecnica(HTML) 38 Page - Integrated Silicon Solution, Inc

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Integrated Silicon Solution, Inc. — www.issi.com
Rev. 00A
6/4/2013
IS43/46DR81280C, IS43/46DR16640C
EMR(1)
Notes:
1. x16 doesn't support RDQS option; this must be set to 0 when programming the EMR(1).
2. After setting to default, OCD calibration mode needs to be exited by setting A9-A7 to 000.
3. Output disabled - DQs, DQSs, DQSs, RDQS and RDQS. This feature is used in conjunction with DIMM IDD measurements when IDDQ is not
desired to be included.
4. A13 is only applicable for x8.
Address
Field
Mode
Register
BA1
0
BA2
0
A12
Qoff*3
BA0
1
0
Output buffer enabled
1
Ouput buffer disabled
A11*1
RDQS Enable
A11*1
A10
Strobe Function Marix
A12
A134
0
Qoff
0
Disable
(RDQS)
(/DQS)
RDQS/DM
/RDQS
DQS
/DQS
1
Enable
0
0
DM
Hi-z
DQS
/DQS
A11
RDQS
*1
A10
/DQS
0
1
DM
Hi-z
DQS
Hi-z
0
Enable
10
RDQS
/RDQS
DQS
/DQS
A10
/DQS
1
Disable
11
RDQS
Hi-z
DQS
Hi-z
A9
OCD
Program
A9
A8
A7
OCD Calibration Program
000
OCD Calibration mode exit; maintain setting
A8
001
Reserved
010
Reserved
A7
100
Reserved
111
OCD Calibration default*2
A6
Rtt
A5
A4
A3
Additive Latency
A6
A2
Rtt(NOMINAL)
A5
Additive
Latency
000
0
00
ODT Disabled
001
1
01
75 ohm
A4
010
2
10
150 ohm
011
3
11
50 ohm
A3
100
4
101
5
A2
Rtt
110
6
111
Reserved
A1
D.I.C
A1
Output Drive Impedance Control
A0
DLL enable
A0
DLL
0
Full Strength
0
Enable
1
Reduced strength
1
Disable



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