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IO20PDB0V0 датащи(PDF) 39 Page - Microsemi Corporation

номер детали IO20PDB0V0
подробное описание детали  SmartFusion Customizable System-on-Chip (cSoC)
PDF  197 Pages
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производитель  MICROSEMI [Microsemi Corporation]
домашняя страница  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

IO20PDB0V0 датащи(HTML) 39 Page - Microsemi Corporation

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SmartFusion Customizable System-on-Chip (cSoC)
Re vi s i on 12
2 - 27
Table 2-28 • I/O Output Buffer Maximum Resistances1
Applicable to MSS I/O Banks
Standard
Drive Strength
RPULL-DOWN
(
Ω)2
RPULL-UP
(
Ω)3
3.3 V LVTTL / 3.3 V LVCMOS
8mA
50
150
2.5 V LVCMOS
8 mA
50
100
1.8 V LVCMOS
4 mA
100
112
1.5 V LVCMOS
2 mA
200
224
Notes:
1. These maximum values are provided for informational reasons only. Minimum output buffer resistance
values depend on VCCxxxxIOBx, drive strength selection, temperature, and process. For board design
considerations and detailed output buffer resistances, use the corresponding IBIS models located on the
Microsemi SoC Products Group website.
2. R(PULL-DOWN-MAX) = (VOLspec) / IOLspec
3. R(PULL-UP-MAX) = (VCCImax – VOHspec) / IOHspec
Table 2-29 • I/O Weak Pull-Up/Pull-Down Resistances
Minimum and Maximum Weak Pull-Up/Pull-Down Resistance Values
VCCxxxxIOBx
R(WEAK PULL-UP)
1
(
Ω)
R(WEAK PULL-DOWN)
2
(
Ω)
Min.
Max.
Min.
Max.
3.3 V
10 k
45 k
10 k
45 k
2.5 V
11 k
55 k
12 k
74 k
1.8 V
18 k
70 k
17 k
110 k
1.5 V
19 k
90 k
19 k
140 k
Notes:
1. R(WEAK PULL-UP-MAX) = (VCCImax – VOHspec) / I(WEAK PULL-UP-MIN)
2. R(WEAK PULL-DOWN-MAX) = (VOLspec) / I(WEAK PULL-DOWN-MIN)



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