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부품번호 | 74F138SJ 기능 |
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기능 | 1-of-8 Decoder/Demultiplexer | ||
제조업체 | Fairchild Semiconductor | ||
로고 | |||
전체 6 페이지수
April 1988
Revised July 1999
74F138
1-of-8 Decoder/Demultiplexer
General Description
The F138 is a high-speed 1-of-8 decoder/demultiplexer.
This device is ideally suited for high-speed bipolar memory
chip select address decoding. The multiple input enables
allow parallel expansion to a 1-of-24 decoder using just
three F138 devices or a 1-of-32 decoder using four F138
devices and one inverter.
Features
s Demultiplexing capability
s Multiple input enable for easy expansion
s Active LOW mutually exclusive outputs
Ordering Code:
Order Number Package Number
Package Description
74F138SC
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
74F138SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74F138PC
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbols
Connection Diagram
IEEE/IEC
© 1999 Fairchild Semiconductor Corporation DS009478
www.fairchildsemi.com
Absolute Maximum Ratings(Note 1)
Storage Temperature
−65°C to +150°C
Ambient Temperature under Bias
−55°C to +125°C
Junction Temperature under Bias
−55°C to +150°C
VCC Pin Potential to Ground Pin
Input Voltage (Note 2)
−0.5V to +7.0V
−0.5V to +7.0V
Input Current (Note 2)
−30 mA to +5.0 mA
Voltage Applied to Output
in HIGH State (with VCC = 0V)
Standard Output
3-STATE Output
−0.5V to VCC
−0.5V to +5.5V
Current Applied to Output
in LOW State (Max)
twice the rated IOL (mA)
ESD Last Passing Voltage (Min)
4000V
Recommended Operating
Conditions
Free Air Ambient Temperature
Supply Voltage
0°C to +70°C
+4.5V to +5.5V
Note 1: Absolute maximum ratings are values beyond which the device
may be damaged or have its useful life impaired. Functional operation
under these conditions is not implied.
Note 2: Either voltage limit or current limit is sufficient to protect inputs.
DC Electrical Characteristics
Symbol
Parameter
VIH
VIL
VCD
VOH
VOL
IIH
IBVI
ICEX
VID
IOD
IIL
IOS
ICCH
ICCL
Input HIGH Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH
Voltage
Output LOW
Voltage
10% VCC
5% VCC
10% VCC
Input HIGH
Current
Input HIGH Current
Breakdown Test
Output HIGH
Leakage Current
Input Leakage
Test
Output Leakage
Circuit Current
Input LOW Current
Output Short-Circuit Current
Power Supply Current
Power Supply Current
Min
2.0
2.5
2.7
4.75
−60
AC Electrical Characteristics
Symbol
Parameter
tPLH Propagation Delay
tPHL
An to On
tPLH Propagation Delay
tPHL
E1 or E2 to On
tPLH Propagation Delay
tPHL
E3 to On
Typ
Max
Units
VCC
Conditions
V Recognized as a HIGH Signal
0.8 V
Recognized as a LOW Signal
−1.2 V Min IIN = −18 mA
V Min IOH = −1 mA
IOH = −1 mA
0.5 V Min IOL = 20 mA
5.0 µA Max VIN = 2.7V
7.0 µA Max VIN = 7.0V
50 µA Max VOUT = VCC
V 0.0 IID = 1.9 µA
All Other Pins Grounded
3.75
µA
0.0 VIOD = 150 mV
All Other Pins Grounded
−0.6 mA Max VIN = 0.5V
−150 mA Max VOUT = 0V
13 20 mA Max VO = HIGH
13 20 mA Max VO = LOW
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min Typ Max
3.5 5.6 7.5
4.0 6.1 8.0
3.5 5.4 7.0
3.0 5.3 7.0
4.0 6.2 8.0
3.5 5.6 7.5
TA = 0°C to +70°C
VCC = +5.0V
CL = 50 pF
Min Max
3.5 8.5
4.0 9.0
3.5 8.0
3.0 7.5
4.0 9.0
3.5 8.5
Units
ns
ns
ns
www.fairchildsemi.com
4
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부품번호 | 상세설명 및 기능 | 제조사 |
74F138SC | 1-of-8 Decoder/Demultiplexer | Fairchild Semiconductor |
74F138SC | 1-of-8 Decoder/Demultiplexer | National Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |