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74F241 bảng dữ liệu(PDF) 7 Page - NXP Semiconductors

tên linh kiện 74F241
Giải thích chi tiết về linh kiện  Octal inverter buffer 3-State
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nhà sản xuất  PHILIPS [NXP Semiconductors]
Trang chủ  http://www.nxp.com
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Philips Semiconductors
Product specification
74F240/74F240A/
74F241/74F241A
Buffers
January 2, 1991
7
AC ELECTRICAL CHARACTERISTICS
LIMITS
Tamb = +25°C
Tamb = 0°C to +70°C
SYMBOL
PARAMETER
TEST
VCC = +5.0V
VCC = +5.0V ± 10%
UNIT
CONDITION
CL = 50pF, RL = 500Ω
CL = 50pF, RL = 500Ω
MIN
TYP
MAX
MIN
MAX
tPLH
tPHL
Propagation delay
Ian, Ibn to Yn
Waveform 1
3.0
2.0
4.5
3.0
6.5
4.5
3.0
2.0
7.5
5.0
ns
tPZH
tPZL
Output enable time
to high or low level
74F240
Waveform 3
Waveform 4
3.0
4.5
5.0
6.5
7.5
8.5
3.0
4.0
9.0
10.0
ns
tPHZ
tPLZ
Output disable time
from high or low level
Waveform 3
Waveform 4
3.0
3.0
5.5
5.0
7.0
7.0
3.0
3.0
7.5
7.5
ns
tPLH
tPHL
Propagation delay
Ian, Ibn to Yn
Waveform 1
2.5
2.0
4.0
3.5
5.5
5.5
2.0
2.0
6.5
6.0
ns
tPZH
tPZL
Output enable time
to high or low level
74F240A
Waveform 3
Waveform 4
2.0
3.5
4.0
5.0
6.5
7.5
2.0
3.0
7.0
8.5
ns
tPHZ
tPLZ
Output disable time
from high or low level
Waveform 3
Waveform 4
2.0
1.5
3.5
2.5
6.0
5.0
1.5
1.0
6.5
5.5
ns
tsk(0)
Output skew1, 2
Waveform 5
1.5
2.0
ns
tPLH
tPHL
Propagation delay
Ian, Ibn to Yn
Waveform 2
2.5
2.5
4.0
4.0
5.2
5.2
2.5
2.5
6.2
6.5
ns
tPZH
tPZL
Output enable time
to high or low level
74F241
Waveform 3
Waveform 4
2.0
2.0
4.0
5.0
5.7
7.0
2.0
2.0
6.7
8.0
ns
tPHZ
tPLZ
Output disable time
from high or low level
Waveform 3
Waveform 4
2.0
2.0
4.0
4.0
6.0
6.0
2.0
2.0
7.0
7.0
ns
tPLH
tPHL
Propagation delay
Ian, Ibn to Yn
Waveform 2
2.5
2.5
4.5
4.5
5.8
5.8
2.5
2.5
6.5
6.5
ns
tPZH
tPZL
Output enable time
to high or low level
74F241A
Waveform 3
Waveform 4
2.5
3.5
4.5
5.0
6.0
7.0
2.0
3.0
6.7
8.0
ns
tPHZ
tPLZ
Output disable time
from high or low level
Waveform 3
Waveform 4
2.0
1.5
4.0
3.5
6.0
5.5
1.5
1.0
6.5
6.0
ns
tsk(0)
Output skew1, 2
Waveform 5
1.5
2.0
ns
Notes to AC electrical characteristics
1. | tPN actual – tPM actual| for any output compared to any other output where N and M are either LH or HL.
2. Skew times are valid only under same test conditions (temperature, VCC, loading, etc.,).
AC WAVEFORMS
Ian, Ibn
VM
VM
VM
VM
tPLH
tPHL
Yn
SF00328
Waveform 1. Propagation delay for inverting outputs
Ian, Ibn
VM
VM
VM
VM
tPHL
tPLH
Yn
SF00329
Waveform 2. Propagation delay for non–invertIng outputs



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