ADSP-BF542_15 Datasheet, PDF (89/102 Pages) Analog Devices – Blackfin Embedded Processor

ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
50
40
2.5V, +105°C _{2.6V, +25°C}
VOH
30
2.7V, –40°C
20
10
0
–10
–20
–30
VOL
–40
–50
0
2.5V, –105°C
2.6V, +25°C
2.7V, –40°C
0.5
1.0
1.5
2.0
2.5
3.0
SOURCE VOLTAGE (V)
Figure 68. Drive Current D (DDR SDRAM)
50
40
1.8V, +105°C 1.875V, +25°C
VOH
30
1.95V, –40°C
20
10
0
–10
–20
–30
–40
VOL
–50
0
1.8V, +105°C
0.25
1.875V, +25°C
1.95V, –40°C
0.5
0.75 1.0
1.25 1.5
SOURCE VOLTAGE (V)
1.75 2.0
Figure 69. Drive Current D (Mobile DDR SDRAM)
10
0
–10
–20
–30
–40
–50
–60
0
2.25V, +105°C
VOL
2.5V, +25°C
2.75V, –40°C
0.5
1.0
1.5
2.0
SOURCE VOLTAGE (V)
2.5
3.0
Figure 70. Drive Current E (Low V_DDEXT)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
2.7V, +105°C
VOL
3.3V, +25°C
3.6V, –40°C
0.5
1.0
1.5
2.0
2.5
3.0
SOURCE VOLTAGE (V)
Figure 71. Drive Current E (High V_DDEXT)
3.5
4.0
Rev. E | Page 89 of 102 | March 2014