參數(shù)資料
型號: 74LVC273
廠商: NXP Semiconductors N.V.
英文描述: Quadruple 2-Input Positive-OR Gates 14-SOIC -40 to 85
中文描述: 八路D型觸發(fā)器的復位觸發(fā)器,積極邊緣觸發(fā)
文件頁數(shù): 6/10頁
文件大小: 95K
代理商: 74LVC273
Philips Semiconductors
Product specification
74LVC273
Octal D-type flip-flop with reset; positive-edge trigger
1998 May 20
6
TEST CIRCUIT
V
M
V
M
t
W
NEGATIVE
PULSE
10%
10%
90%
90%
0V
V
M
V
M
t
W
V
I
POSITIVE
PULSE
90%
90%
10%
10%
0V
t
THL
(t
f
)
t
TLH
(t
r
)
t
THL
(t
f
)
t
TLH
(t
r
)
V
= 1.5V
Input Pulse Definition
SY00044
Switch position
PULSE
GENERATOR
R
T
V
I
D.U.T.
V
O
C
L
R
L
V
CC
R
L
Test Circuit for 3-State Outputs
Open
GND
S
1
V
DEFINITIONS
V
CC
V
I
< 2.7V
2.7–3.6V
V
CC
2.7V
TEST
S
1
t
PLZ/
t
PZL
t
PLH/
t
PHL
t
PHZ
/t
PZH
V
S1
Open
GND
V
S1
2
2
V
CC
V
CC
R
L
=
Load resistor; see AC CHARACTERISTICS for value.
C
=
CHARACTERISTICS for value.
Load capacitance includes jig and probe capacitance: See AC
R
T
=
Termination resistance should be equal to Z
OUT
of pulse generators.
V
I
Waveform 4. Load circuitry for switching times
相關PDF資料
PDF描述
74LVC273PWDH Quadruple 2-Input Positive-OR Gates 14-SOIC -40 to 85
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