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PCIMX515CJM6C 데이터시트(PDF) 28 Page - Freescale Semiconductor, Inc

부품명 PCIMX515CJM6C
상세설명  i.MX51 Applications Processors for Consumer and Industrial Products
PDF  184 Pages
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제조업체  FREESCALE [Freescale Semiconductor, Inc]
홈페이지  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

PCIMX515CJM6C 데이터시트(HTML) 28 Page - Freescale Semiconductor, Inc

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i.MX51 Applications Processors for Consumer and Industrial Products, Rev. 1
28
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
Electrical Characteristics
3.4
Output Buffer Impedance Characteristics
This section defines the I/O Impedance parameters of the i.MX51 processor.
3.4.1
LVIO I/O Output Buffer Impedance
3.4.2
DDR Output Buffer Impedance
Table 21. LVIO I/O Output Buffer Impedance
Parameter
Symbol
Conditions
Min
Typical
Max
Unit
OVDD 2.775 V OVDD 1.875 V
Output Driver
Impedance
Rpu
Low Drive Strength, Ztl = 150
Ω
Medium Drive Strength, Ztl = 75
Ω
High Drive Strength, Ztl = 50
Ω
Max Drive Strength, Ztl = 37.5
Ω
80
40
27
20
104
52
35
26
150
75
51
38
250
125
83
62
Ω
Output Driver
Impedance
Rpd
Low Drive Strength, Ztl = 150
Ω
Medium Drive Strength, Ztl = 75
Ω
High Drive Strength, Ztl = 50
Ω
Max Drive Strength, Ztl = 37.5
Ω
64
32
21
16
88
44
30
22
134
66
44
34
243
122
81
61
Ω
Table 22. DDR I/O Output Buffer Impedance
Parameter
Symbol
Test Conditions
Best Case
Tj = –20 °C
OVDD = 1.95 V
VCC = 1.3 V
Typical
Tj = 25 °C
OVDD = 1.8 V
VCC = 1.2 V
Worst Case
Tj = 105 °C
OVDD = 1.6 V
VCC = 1.1 V
Unit
s0–s5
000000
s0–s5
111111
s0–s5
101010
s0–s5
111111
s0–s5
111111
Output Driver
Impedance
Rpu
Low Drive Strength, Ztl = 150
Ω
Medium Drive Strength, Ztl = 75
Ω
High Drive Strength, Ztl = 50
Ω,
280
140
93.4
55.2
27.6
18.4
150
75
50
50.4
34.8
23.2
90.3
45.4
32
Ω
Output Driver
Impedance
Rpd
Low Drive Strength, Ztl = 150
Ω
Medium Drive Strength, Ztl = 75
Ω
High Drive Strength, Ztl = 50
Ω,
293
147
87.7
32.8
16.4
11
131
65.6
43.8
48.8
22
14.6
72
36
24.3
Ω



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