K4H510438A-TCA0 SAMSUNG [Samsung semiconductor], K4H510438A-TCA0 Datasheet - Page 47
![no-image](/images/no-image-200.jpg)
K4H510438A-TCA0
Manufacturer Part Number
K4H510438A-TCA0
Description
128Mb DDR SDRAM
Manufacturer
SAMSUNG [Samsung semiconductor]
Datasheet
1.K4H510438A-TCA0.pdf
(53 pages)
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128Mb DDR SDRAM
11. IBIS: I/V Characteristics for Input and Output Buffers
5. The full variation in the ratio of the maximum to minimum pullup and pulldown current will not exceed 1.7, for device drain to source
6. The Full variation in the ratio of the nominal pullup to pulldown current should be unity ±10%, for device drain to source voltages
11.1 Normal strength driver
1. The nominal pulldown V-I curve for DDR SDRAM devices will be within the inner bounding lines of the V-I curve of Figure a.
2. The full variation in driver pulldown current from minimum to maximum process, temperature and voltage will lie within the outer
3. The nominal pullup V-I curve for DDR SDRAM devices will be within the inner bounding lines of the V-I curve of below Figure b.
4. The Full variation in driver pullup current from minimum to maximum process, temperature and voltage will lie within the outer
bounding lines the of the V-I curve of Figure a.
bounding lines of the V-I curve of Figrue b.
voltage from 0 to VDDQ/2
from 0 to VDDQ/2
Figure 25. I/V characteristics for input/output buffers:Pull up(above) and pull down(below)
-100
-120
-140
-160
-180
-200
-220
160
140
120
100
-20
-40
-60
-80
80
60
40
20
0
0
0.0
0.0
0.5
0.5
1.0
1.0
- 47 -
1.5
1.5
2.0
2.0
REV. 1.0 November. 2. 2000
2.5
2.5
Vout(V)
Vout(V)
Maximum
Typical High
Typical Low
Minimum
Typical Low
Typical High
Maximum
Minumum
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