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参数资料
| 型号： | N74F298D |
| 厂商： | NXP Semiconductors N.V. |
| 元件分类： | 通用总线功能 |
| 英文描述： | Quad 2-input multiplexer with storage |
| 封装： | N74F298D<SOT109-1 (SO16)|<<http://www.nxp.com/packages/SOT109-1.html<1<week 6, 2004,;N74F298D<SOT109-1 (SO16)|<<http://www.nxp.com/packages/SOT109-1.html<1<week 6, |
| 文件页数： | 5/8页 |
| 文件大小： | 87K |
| 代理商： | N74F298D |
Philips Semiconductors
Product specification
74F298
Quad 2-input multiplexer with storage
1989 Aug 14
5
AC SETUP REQUIREMENTS
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF
R
L
= 500
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF
R
L
= 500
UNIT
MIN
TYP
MAX
MIN
MAX
t
s
(H)
t
s
(L)
Setup time, High or Low
I0n, I1n to CP
Waveform
NO TAG
2.0
2.0
2.0
2.0
ns
t
h
(H)
t
h
(L)
Hold time, High or Low
I0n, I1n to CP
Waveform
NO TAG
1.0
1.0
1.0
1.0
ns
t
s
(H)
t
s
(L)
Setup time, High or Low
S to CP
Waveform
NO TAG
6.0
5.0
7.0
6.0
ns
t
h
(H)
t
h
(L)
Hold time, High or Low
S to CP
Waveform
NO TAG
0
0
0
0
ns
t
w
(H)
t
w
(L)
CP Pulse width,
High or Low
Waveform
NO TAG
5.0
5.0
5.0
7.0
ns
AC WAVEFORMS
For all waveforms, V
M
= 1.5V.
The shaded areas indicate when the input is permitted to change for predictable output performance.
V
M
V
M
1/f
MAX
t
W
(L)
CP
Q
n
t
W
(H)
V
M
V
M
SF00863
t
PLH
t
PHL
Waveform 1.
Clock Input to Output, Clock Pulse Width, and
Maximum Clock Frequency
V
M
V
M
V
M
V
M
t
h
(H)
t
h
(L)
Ion, I1n, S
CP
t
s
(L)
t
s
(H)
SF00864
V
M
V
M
Waveform 2.
Data Setup and Hold Times
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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