NT5DS16M16CS NANOAMP [NanoAmp Solutions, Inc.], NT5DS16M16CS Datasheet - Page 62
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NT5DS16M16CS
Manufacturer Part Number
NT5DS16M16CS
Description
256Mb DDR Synchronous DRAM
Manufacturer
NANOAMP [NanoAmp Solutions, Inc.]
Datasheet
1.NT5DS16M16CS.pdf
(76 pages)
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NanoAmp Solutions, Inc.
14. An input setup and hold time derating table is used to increase t
15. An input setup and hold time derating table is used to increase t
16. An I/O Delta Rise, Fall Derating table is used to increase t
DOC # 14-02-044 Rev A ECN # 01-1116
The specifications of this device are subject to change without notice. For latest documentation, see http://www.nanoamp.com
1. Input slew rate is based on the lesser of the slew rates determined by either V
2. These derating parameters may be guaranteed by design or tester characterization and are not necessarily tested on each device.
1. I/O slew rate is based on the lesser of the slew rates determined by either V
2. These derating parameters may be guaranteed by design or tester characterization and are not necessarily tested on each device.
1. Input slew rate is based on the lesser of the slew rates determined by either V
2. Input slew rate is based on the larger of AC to AC delta rise, fall rate and DC to DC delta rise, fall rate.
3. The delta rise, fall rate is calculated as: [1/(slew rate 1)] - [1/(slew rate 2)]
4. These derating parameters may be guaranteed by design or tester characterization and are not necessarily tested on each device.
transitions.
transitions.
transitions.
For example: slew rate 1 = 0.5 V/ns; slew rate 2 = 0.4 V/ns
Delta rise, fall = (1/0.5) - (1/0.4) [ns/V]
Using the table above, this would result in an increase in t
rate is below 0.5 V/ns.
is below 0.5 V/ns.
slew rates differ.
Input Slew Rate
Input Slew Rate
Input Slew Rate
0.25 V/ns
0.5 V/ns
0.4 V/ns
0.3 V/ns
0.5 V/ns
0.4 V/ns
0.3 V/ns
0.0 V/ns
0.5 V/ns
= -0.5 ns/V
delta (t
delta (t
delta (t
+100
+150
+100
+50
+75
+50
0
0
0
DS
DS
IS
)
)
)
DS
and t
DH
of 100 ps.
DS
IH (AC)
and t
IH (AC)
IH (AC)
NT5DS64M4CT, NT5DS32M8CT, NT5DS16M16CT
NT5DS64M4CS, NT5DS32M8CS, NT5DS16M16CS
DS
IS
to V
delta (t
delta (t
delta (t
to V
DH
to V
and t
and t
+150
+100
+75
+50
IL (AC)
0
0
0
0
0
in the case where DQ, DM, and DQS
IL (AC)
IL (AC)
DH
DH
IH
IH
DH
)
)
or V
)
in the case where the input slew
or V
or V
in the case where the I/O slew rate
IH (DC)
IH (DC)
IH (DC)
to V
to V
to V
IL (DC)
IL (DC)
IL (DC)
Unit
Unit
Unit
ps
ps
ps
ps
ps
ps
ps
ps
ps
, similarly for rising
, similarly for rising
, similarly for rising
1,2,3,4
1,2,3,4
1,2,3,4
Notes
Notes
Notes
1,2
1,2
1,2
1,2
1,2
1,2
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