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74HC138 데이터시트 PDF




Diodes에서 제조한 전자 부품 74HC138은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 74HC138 기능
기능 3 TO 8 LINE DECODER DEMULTIPLEXER
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74HC138 데이터시트, 핀배열, 회로
74HC138
3 TO 8 LINE DECODER DEMULTIPLEXER
Description
The 74HC138 is a high speed CMOS device.
The device accepts a three bit binary weighted address on input pins
A0, A1 and A2 and when enabled will produce one active low output
with the remaing seven being high.
There are two active LOW enable inputs E1 and E2, and one active
HIGH enable input E3. The disabled device state results in all outputs
being high. The enable state occurs with E1 and E2 asserted low and
E3 asserted high.
The multiple enable lines allow for the parallel expansion of decoders
to create 4-to-16 line versions with no additional parts and 5-to-32
versions with the addition of a single inverter.
Pin Assignments
Features
Wide Supply Voltage Range from 2.0V to 6.0V
Sinks or sources 8 mA at VCC = 4.5V
CMOS low power consumption
Schmitt Trigger Action at All Inputs
Inputs Accept up to 6.0V
ESD Protection Tested per JESD 22
Exceeds 200-V Machine Model (A115-A)
Exceeds 2000-V Human Body Model (A114-A)
Exceeds 1000-V Charged Device Model (C101C)
Latch-Up Exceeds 100mA per JESD 78D, Class II
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Applications
Memory chip select decoding
Demultiplexing
Single line peripheral control
Allow simple serial bit streams from a microcontroller to control as
many peripheral lines as needed
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
Click here for ordering information, located at the end of datasheet
74HC138
Document number: DS35488 Rev.3 - 2
1 of 10
www.diodes.com
June 2013
© Diodes Incorporated




74HC138 pdf, 반도체, 판매, 대치품
74HC138
Absolute Maximum Ratings (Note 4) (@TA = +25°C, unless otherwise specified.)
Symbol
ESD HBM
ESD CDM
ESD MM
VCC
VI
Vo
IIK
IIK
IOK
IOK
IO
ICC
IGND
TJ
TSTG
PTOT
Description
Human Body Model ESD Protection
Charged Device Model ESD Protection
Machine Model ESD Protection
Supply Voltage Range
Input Voltage Range
Voltage applied to output in high or low state
Input Clamp Current VI< -0.5V
Input Clamp Current VI > VCC +0.5V
Output Clamp Current VO<-0.5V
Output Clamp Current VO> VCC + 0.5V
Continuous output current
Continuous current through VCC
Continuous current through GND
Operating Junction Temperature
Storage Temperature
Total Power Dissipation
Rating
2
1
200
-0.5 to +7.0
-0.5 to +7.0
-0.3 to VCC +0.5
-20
20
-20
20
±25
50
-50
-40 to +150
-65 to +150
500
Unit
kV
kV
V
V
V
V
mA
mA
mA
mA
mA
mA
mA
°C
°C
mW
Note:
4. Stresses beyond the absolute maximum may result in immediate failure or reduced reliability. These are stress values and device operation should be
within recommend values.
Recommended Operating Conditions (Note 5) (@TA = +25°C, unless otherwise specified.)
Symbol
VCC
VI
VO
Parameter
Supply Voltage
Input Voltage
Output Voltage
t/V Input transition Rise or Fall Rate
TA Operating Free-Air Temperature
Conditions
Active Mode
VCC = 2.0V
VCC = 4.5V
VCC = 6.0V
Note:
5. Unused inputs should be held at VCC or Ground.
Min Max
2.0 6.0
0 VCC
0 VCC
1000
500
400
-40 +125
Unit
V
V
V
ns/V
°C
74HC138
Document number: DS35488 Rev.3 - 2
4 of 10
www.diodes.com
June 2013
© Diodes Incorporated

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74HC138 전자부품, 판매, 대치품
Ordering Information
74HC138
Part Number
74HC138S16-13
74HC138T16-13
Package Code
S16
T16
Packaging
SO-16
TSSOP-16
7” Tape and Reel (Note 6)
Quantity
Part Number Suffix
2500/Tape & Reel
-13
2500/Tape & Reel
-13
Notes: 6. The taping orientation is located on our website at http://www.diodes.com/datasheets/ap02007.pdf
Marking Information
(1) SO-16, TSSOP16
Part Number
74HC138S16
74HC138T16
Package
SO-16
TSSOP-16
74HC138
Document number: DS35488 Rev.3 - 2
7 of 10
www.diodes.com
June 2013
© Diodes Incorporated

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