參數(shù)資料
型號: 74F27
廠商: Fairchild Semiconductor Corporation
英文描述: Triple 3-Input NOR Gate
中文描述: 三3輸入或非門
文件頁數(shù): 5/8頁
文件大?。?/td> 70K
代理商: 74F27
Philips Semiconductors
Product specification
74F27
Triple 3-input NOR gate
February 5, 1991
5
AC WAVEFORMS
V
M
V
M
V
M
V
M
Qn
Dna, Dnb, Dnc
t
PHL
t
PLH
SF00037
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
相關(guān)PDF資料
PDF描述
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