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參數(shù)資料
| 型號(hào)： | 74F138PC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 1-of-8 Decoder/Demultiplexer |
| 中文描述： | F/FAST SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 5/8頁(yè) |
| 文件大?。?/td> | 85K |
| 代理商： | 74F138PC |
Philips Semiconductors
Product specification
74F138
1-of-8 decoder/demultiplexer
February 14, 1991
5
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
V
CC
= +5.0V
T
amb
= +25
°
C
C
L
= 50pF
R
L
= 500
V
CC
= +5.0V
±
10%
T
amb
= 0
°
C to +70
°
C
C
L
= 50pF
R
L
= 500
V
CC
= +5.0V
±
10%
T
amb
= –40
°
C to +85
°
C
C
L
= 50pF
R
L
= 500
UNIT
MIN
TYP
MAX
MIN
MAX
MIN
MAX
t
PLH
t
PHL
Propagation delay
An to Qn
Waveform 1, 2
3.5
4.0
5.6
6.1
7.0
8.0
3.5
4.0
8.0
9.0
3.0
3.5
8.5
9.0
ns
t
PLH
t
PHL
Propagation delay
E0 or E1
to Qn
Waveform 2
3.5
3.0
6.4
5.3
7.0
7.0
3.5
3.0
8.0
7.5
3.0
3.0
8.0
7.5
ns
t
PLH
t
PHL
Propagation delay
E2
to Qn
Waveform 1
4.0
3.5
6.2
5.6
8.0
7.5
4.0
3.5
9.0
8.5
4.0
3.5
9.5
8.5
ns
AC WAVEFORMS
For all waveforms, V
M
= 1.5V
V
M
V
M
V
M
V
M
Qn
An, E2
t
PHL
t
PLH
SF00179
Waveform 1.
Propagation Delay for Inverting Outputs
V
M
V
M
V
M
V
M
Qn
An, E0, E1
t
PHL
t
PLH
SF00180
Waveform 2. Propagation Delay for Non-Inverting Outputs
TEST CIRCUIT AND WAVEFORMS
t
w
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
NEGATIVE
PULSE
POSITIVE
PULSE
t
w
AMP (V)
0V
0V
t
THL (
t
f
)
INPUT PULSE REQUIREMENTS
rep. rate
t
w
t
TLH
2.5ns
t
THL
2.5ns
1MHz
500ns
Input Pulse Definition
V
CC
family
74F
D.U.T.
PULSE
GENERATOR
R
L
C
L
R
T
V
IN
V
OUT
Test Circuit for Totem-Pole Outputs
DEFINITIONS:
R
L
=
Load resistor;
see AC ELECTRICAL CHARACTERISTICS for value.
Load capacitance includes jig and probe capacitance;
see AC ELECTRICAL CHARACTERISTICS for value.
Termination resistance should be equal to Z
OUT
of
pulse generators.
C
L
=
R
T
=
t
THL (
t
f
)
t
TLH (
t
r
)
t
TLH (
t
r
)
AMP (V)
amplitude
3.0V
1.5V
V
M
SF00006
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| 74F138SC | 1-of-8 Decoder/Demultiplexer |
| 74F138SJ | 1-of-8 Decoder/Demultiplexer |
| 74F138 | 1-of-8 Decoder/Demultiplexer |
| 74F138PC | 1-of-8 Decoder/Demultiplexer |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F138PC | 制造商:Fairchild Semiconductor Corporation 功能描述:74F FAST TTL 74F138 DIP16 5.5V |
| 74F138PC_Q | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 1-of-8 Decoder/Demul RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74F138SC | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 1-of-8 Decoder/Demul RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74F138SC | 制造商:Fairchild Semiconductor Corporation 功能描述:IC DECODERS/ENCODERS/MULTIPLEXERS/DEMUL |
| 74F138SC | 制造商:Fairchild Semiconductor Corporation 功能描述:74F FAST TTL SMD 74F138 SOIC16 |
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