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參數(shù)資料
| 型號： | 933896250623 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | F/FAST SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO24 |
| 封裝： | PLASTIC, SOT-137, SO-24 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大小： | 84K |
| 代理商： | 933896250623 |
Philips Semiconductors
Product specification
74F154
Decoder/demultiplexer
1990 Jan 08
5
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
VCC = +5.0V
Tamb = +25°C
CL = 50pF, RL = 500
VCC = +5.0V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500
UNIT
MIN
TYP
MAX
MIN
MAX
tPLH
tPHL
Propagation delay
An to Qn
Waveform 1
2.0
3.5
5.0
6.5
9.5
10.0
1.5
3.0
10.5
ns
tPLH
tPHL
Propagation delay
En to Qn
Waveform 2
2.0
4.0
6.0
7.5
9.0
1.5
3.5
8.0
9.5
ns
AC WAVEFORMS
For all waveforms, VM = 1.5V.
VM
Qn
An
tPHL
tPLH
SF00133
Waveform 1.
Propagation Delay for Address to Output
VM
Qn,
En
tPHL
tPLH
SF00684
Waveform 2.
Propagation Delay for Enable to Output
TEST CIRCUIT AND WAVEFORMS
tw
90%
VM
10%
90%
VM
10%
90%
VM
10%
90%
VM
10%
NEGATIVE
PULSE
POSITIVE
PULSE
tw
AMP (V)
0V
tTHL (tf )
INPUT PULSE REQUIREMENTS
rep. rate
tw
tTLH
tTHL
1MHz
500ns
2.5ns
Input Pulse Definition
VCC
family
74F
D.U.T.
PULSE
GENERATOR
RL
CL
RT
VIN
VOUT
Test Circuit for Totem-Pole Outputs
DEFINITIONS:
RL = Load resistor;
see AC ELECTRICAL CHARACTERISTICS for value.
CL = Load capacitance includes jig and probe capacitance;
see AC ELECTRICAL CHARACTERISTICS for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
tTHL (tf )
tTLH (tr )
AMP (V)
amplitude
3.0V
1.5V
VM
SF00006
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