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SPEAR1340 датащи(PDF) 140 Page - STMicroelectronics

номер детали SPEAR1340
подробное описание детали  Dual-core Cortex A9 HMI embedded MPU
PDF  200 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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SPEAR1340 датащи(HTML) 140 Page - STMicroelectronics

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Electrical characteristics
SPEAr1340
140/200
Doc ID 023063 Rev 4
AC characteristics
Table 47 and Table 48 show the AC input and output characteristics for 3V3/2V5/1V8 I/O
buffers.
Table 47.
3V3/2V5/1V8 I/O AC input characteristics
Max frequency
Max load
Comment
1V8 I/O operation
200 MHz
1 pF
This load is placed at ZI.
(see Figure 9 below)
2V5/3V3 I/O operation
200 MHz
1 pF
This load is placed at ZI.
Table 48.
3V3/2V5/1V8 I/O AC output characteristics
Drive
Fast slew
Nominal slew
Frequency (MHz)
Load (pF)
Frequency (MHz)
Load (pF)
1V8 I/O operation
4 mA
20
20
8
20
40
6
16
6
6 mA
30
20
12
20
60
6
24
6
8 mA
40
20
16
20
80
6
32
6
10 mA
50
20
20
20
100
6
40
6
2V5/3V3 I/O operation
4 mA
30
20
12
20
60
6
24
6
6 mA
45
20
18
20
90
6
36
6
8 mA
60
20
24
20
120
6
48
6
10 mA
70
20
28
20
140
6
56
6



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