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參數(shù)資料
| 型號： | 74F20 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Dual 4-input NAND gate(雙4輸入與非門) |
| 中文描述： | 雙4輸入與非門（雙4輸入與非門） |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 68K |
| 代理商： | 74F20 |
Philips Semiconductors
Product specification
74F20
Dual 4-input NAND gate
March 3, 1989
4
AC ELECTRICAL CHARACTERISTICS
LIMITS
TEST
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
SYMBOL
PARAMETER
CONDITION
UNIT
MIN
TYP
MAX
MIN
MAX
t
PLH
t
PHL
Propagation delay
Dna, Dnb, Dnc, Dnd to Qn
Waveform 1
2.4
2.0
3.7
3.2
5.0
4.3
2.4
2.0
6.0
5.3
ns
AC WAVEFORMS
V
M
V
M
V
M
V
M
Qn
Dna, Dnb, Dnc, Dnd
t
PHL
t
PLH
SF00069
Waveform 1.
Propagation Delay for Inverting Outputs
NOTE:
For all waveforms, V
M
= 1.5V.
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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|---|---|
| 74F-20 | 制造商:Cooper Bussmann 功能描述:AT&T COLUMBUS FUSE - Bulk 制造商:COOPER BUSSMANN 功能描述:AT&T COLUMBUS FUSE |
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| 74F20LC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74F20N | 制造商:SIG 功能描述:74F20 SIG84 |
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