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參數(shù)資料
| 型號(hào)： | 74F1805 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Hex 2-input NOR drivers |
| 中文描述： | 六角2輸入或非司機(jī) |
| 文件頁(yè)數(shù)： | 5/8頁(yè) |
| 文件大小： | 102K |
| 代理商： | 74F1805 |
Philips Semiconductors
Product specification
74F805/74F1805
Hex 2-input NOR drivers
September 14, 1990
5
AC ELECTRICAL CHARACTERISTICS
LIMITS
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF,
R
L
= 500
MIN
TYP
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF,
R
L
= 500
MIN
SYMBOL
PARAMETER
TEST
UNIT
CONDITION
MAX
MAX
t
PLH
t
PHL
t
sk(o)
NOTES:
1. [t
actual – t
actual] for any output compared to any other output where N and M are either LH or HL.
2. Skew times are valid only under same test conditions (temperature, V
CC
, loading, etc.,).
Propagation delay
Dna, Dnb to Qn
Output skew
1,2
Waveform 1
1.0
1.0
2.0
2.5
4.0
4.5
1.0
1.0
4.0
4.5
ns
Waveform 2
1.5
1.5
ns
AC WAVEFORMS
V
M
V
M
V
M
V
M
Qn
Dna, Dnb
t
PHL
t
PLH
SF00005
Waveform 1. Propagation delay for inverting output
V
M
V
M
Qn
t
sk(0)
Qn
SF00455
Waveform 2. Output skew
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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