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| IC61C6416 Datasheet, PDF (69/80 Pages) Integrated Circuit Solution Inc – 64K X 16 HIGH-SPEED CMOS STATIC RAM | |||
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HYB18T256324Fâ[16/20/22]
256-Mbit DDR SGRAM
Electrical Characteristics
4.7
Driver current characteristics
4.7.1 Driver IV characteristics at 40 Ohms
Figure 54 represents the driver Pull-Down and Pull-Up IV characteristics under process, voltage and temperature
best and worst case conditions. The actual Driver Pull-Down and Pull-Up current must lie between these two
bounding curves. The value of the external ZQ resistor is 240â¦, setting the nominal driver output impedance to
40â¦.
0 UL L
$ O W N #H A RA C TE R ST I CS
6 O UT 6
0 U LL
5P #H A RA CT E RS T I C S
6 $$ 1
6 OU T 6
Figure 54 40 Ohm Driver Pull-Down and Pull-Up characteristics
Table 37 lists the numerical values of the minimum and maximum allowed values of the output driver Pull-Down
and Pull-Up IV characteristics.
Table 37 Programmed Driver IV Characteristics at 40 Ohm
Voltage (V)
Pull-Down Current (mA)
Pull-Up Current (mA)
Minimum
Maximum
Minimum
0.1
2.32
3.04
-2.44
0.2
4.56
5.98
-4.79
0.3
6.69
8.82
-7.03
0.4
8.74
11.56
-9.18
0.5
10.70
14.19
-11.23
0.6
12.56
16.72
-13.17
0.7
14.34
19.14
-15.01
0.8
16.01
21.44
-16.74
0.9
17.61
23.61
-18.37
1.0
19.11
26.10
-19.90
1.1
20.53
28.45
.21.34
1.2
21.92
30.45
-22.72
1.3
23.29
32.73
-24.07
1.4
24.65
34.95
-25.40
1.5
26.00
37.10
-26.73
1.6
27.35
39.15
-28.06
1.7
28.70
41.01
-29.37
1.8
-
42.53
-
1.9
-
43.71
-
Maximum
-3.27
-6.42
-9.45
-12.37
-15.17
-17.83
-20.37
-22.78
-25.04
-27.17
-29.17
-31.25
-33.00
-35.00
-37.00
-39.14
-41.25
-43.29
-45.23
Data Sheet
69
Rev. 1.11, 04-2005
10292004-DOXT-FS0U
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