參數(shù)資料
型號(hào): 74F1241
廠商: NXP Semiconductors N.V.
英文描述: Octal inverter buffer 3-State
中文描述: 逆變器緩沖八路三態(tài)
文件頁(yè)數(shù): 6/10頁(yè)
文件大小: 85K
代理商: 74F1241
Philips Semiconductors
Product specification
74F1240, 74F1241*
Buffers
1999 Jan 08
6
* Discontinued part. Please see the Discontinued Products List.
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
T
amb
= +25
°
C
V
= +5.0V
C
L
= 50pF, R
L
= 500
T
amb
= 0
°
C to +70
°
C
V
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
UNIT
MIN
TYP
MAX
MIN
MAX
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation delay
Ian, Ibn, to Yn
Waveform 1
3.0
1.5
4.5
2.5
6.5
4.5
2.5
1.5
7.5
5.0
ns
ns
Output Enable time
to High or Low level
74F1240
Waveform 3
Waveform 4
3.0
4.0
5.5
7.0
7.5
9.0
3.0
4.0
8.0
9.5
ns
ns
Output Disable time
to High or Low level
Waveform 3
Waveform 4
2.0
2.0
4.0
4.0
6.0
5.5
2.0
2.0
6.5
6.0
ns
ns
Propagation delay
Ian, Ibn, to Yn
Waveform 2
2.5
2.5
4.0
5.0
5.5
6.5
2.5
2.5
6.0
7.0
ns
ns
Output Enable time
to High or Low level
74F1241
Waveform 3
Waveform 4
3.0
3.0
5.5
6.5
7.0
8.0
3.0
3.0
7.5
8.5
ns
ns
Output Disable time
to High or Low level
Waveform 3
Waveform 4
3.0
3.0
5.5
6.0
7.5
8.0
3.0
3.0
8.5
8.5
ns
ns
AC WAVEFORMS
For all waveforms, V
M
= 1.5V.
Ian, Ibn
V
M
V
M
V
M
V
M
t
PLH
t
PHL
Yn
SF00328
Waveform 1. For Inverting Outputs
Ian, Ibn
V
M
V
M
V
M
V
M
t
PHL
t
PLH
Yn
SF00329
Waveform 2. For Non-inverting Outputs
V
M
V
M
V
M
t
PHZ
t
PZH
V
OH
-0.3V
0V
Yn, Yn
OEn
OEb
SF00330
Waveform 3. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
V
M
V
M
V
M
t
PLZ
t
PZL
V
OL
+0.3V
SF00331
3.5V
OEn
OEb
Yn, Yn
Waveform 4. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
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