ADSP-3PARCBF548M01 Analog Devices Inc, ADSP-3PARCBF548M01 Datasheet - Page 89

• Manufacturer Part Number: ADSP-3PARCBF548M01
• Description: MODULE BOARD BF548
• Manufacturer: Analog Devices Inc
• Series: Blackfin®r

Specifications of ADSP-3PARCBF548M01

• Module/board Type: Processor Module
• For Use With/related Products: ADSP-BF548
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

V
under test.
output rise time varies with capacitance. The delay and hold
specifications given should be derated by a factor derived from
these figures. The graphs in these figures may not be linear out-
side the ranges shown.
TYPICAL RISE AND FALL TIMES
Figure 74. Typical Rise and Fall Times (10% to 90%) vs. Load Capacitance for
Figure 75. Typical Rise and Fall Times (10% to 90%) vs. Load Capacitance for
LOAD
14
12
10
8
6
4
2
0
12
10
0
8
6
4
2
0
0
is equal to V
Figure 74
50
50
DDEXT
through
Driver A at V
Driver A at V
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
/2 or V
ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
100
100
Figure 85 on Page 91
RISE TIME
RISE TIME
DDDDR
DDEXT
DDEXT
= 2.25 V
= 3.65 V
/2, depending on the pin
150
150
FALL TIME
FALL TIME
200
200
Rev. C | Page 89 of 100 | February 2010
show how
250
250
Figure 76. Typical Rise and Fall Times (10% to 90%) vs. Load Capacitance for
Figure 77. Typical Rise and Fall Times (10% to 90%) vs. Load Capacitance for
10
12
10
9
8
7
6
5
4
3
2
1
0
8
6
4
2
0
0
0
50
50
Driver B at V
Driver B at V
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
100
100
RISE TIME
DDEXT
DDEXT
RISE TIME
= 2.25 V
= 3.65 V
150
150
FALL TIME
FALL TIME
200
200
250
250