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SN74LVC138ADE4 数据表(PDF) 7 Page - Texas Instruments

部件名 SN74LVC138ADE4
功能描述  SN74LVC138A 3-Line to 8-Line Decoders Demultiplexers
PDF  40 Pages
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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

SN74LVC138ADE4 数据表(HTML) 7 Page - Texas Instruments

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SN54LVC138A, SN74LVC138A
www.ti.com
SCAS291W – MARCH 1993 – REVISED OCTOBER 2016
Product Folder Links: SN54LVC138A SN74LVC138A
Submit Documentation Feedback
Copyright © 1993–2016, Texas Instruments Incorporated
(1)
All typical values are at VCC = 3.3 V, TA = 25°C.
6.5 Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP(1)
MAX
UNIT
VOH
High-level output voltage
IOH = –100 µA
SN74LVC138A
1.65 V to 3.6 V
VCC – 0.2
V
SN54LVC138A
2.7 V to 3.6 V
VCC – 0.2
IOH = –4 mA
SN74LVC138A
1.65 V
1.2
IOH = –8 mA
SN74LVC138A
2.3 V
1.7
IOH = –12 mA
2.7 V
2.2
3 V
2.4
IOH = –24 mA
3 V
2.2
VOL
Low-level output voltage
IOL = 100 µA
SN74LVC138A
1.65 V to 3.6 V
0.2
V
SN54LVC138A
2.7 V to 3.6 V
0.2
IOL = 4 mA
SN74LVC138A
1.65 V
0.45
IOL = 8 mA
SN74LVC138A
2.3 V
0.7
IOL = 12 mA
2.7 V
0.4
IOL = 24 mA
3 V
0.55
II
Input current
VI = 5.5 V or GND
3.6 V
±5
µA
ICC
Supply current
VI = VCC or GND, IO = 0
3.6 V
10
µA
ΔICC
Change in supply current
One input at VCC – 0.6 V,
Other inputs at VCC or GND
2.7 V to 3.6 V
500
µA
Ci
Input capacitance
VI = VCC or GND
3.3 V
5
pF
6.6 Switching Characteristics—SN54LVC138A
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TEST CONDITIONS
MIN
MAX
UNIT
tpd
Propagation (delay) time
A or B or C
Y
VCC = 2.7 V
7.9
ns
VCC = 3.3 V ± 0.3 V
1
6.7
G2A or G2B
VCC = 2.7 V
7.4
VCC = 3.3 V ± 0.3 V
1
6.5
G1
VCC = 2.7 V
6.4
VCC = 3.3 V ± 0.3 V
1
5.8
6.7 Switching Characteristics—SN74LVC138A
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TEST CONDITIONS
MIN
MAX
UNIT
tpd
Propagation (delay) time
A or B or C
Y
VCC = 1.8 V ± 0.15 V
1
22
ns
VCC = 2.5 V ± 0.2 V
1
9.9
VCC = 2.7 V
1
7.9
VCC = 3.3 V ± 0.3 V
1
6.7
G2A or G2B
VCC = 1.8 V ± 0.15 V
1
21
VCC = 2.5 V ± 0.2 V
1
9.4
VCC = 2.7 V
1
7.4
VCC = 3.3 V ± 0.3 V
1
6.5
G1
VCC = 1.8 V ± 0.15 V
1
20.3
VCC = 2.5 V ± 0.2 V
1
8.4
VCC = 2.7 V
1
6.4
VCC = 3.3 V ± 0.3 V
1
5.8
tsk(o)
Skew (time), output
—
—
VCC = 3.3 V ± 0.3 V
1
ns



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