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參數(shù)資料
| 型號： | 74F30240 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal 30ohm line driver with enable, non-inverting open collector |
| 中文描述： | 以使八路30ohm，非反相集電極開路，線路驅(qū)動器 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大小： | 81K |
| 代理商： | 74F30240 |
Philips Semiconductors
Product specification
74F30240*, 74F30244
30
line drivers
1999 Jan 08
6
* Discontinued part. Please see the Discontinued Products List.
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
T
amb
= +25
°
C
V
= +5.0V
C
L
= 50pF, R
L
= 500
T
amb
= 0
°
C to +70
°
C
V
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
UNIT
MIN
TYP
MAX
MIN
MAX
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
Propagation delay
Dn to Qn
74f30240
Waveform 2
4.0
1.0
10.0
2.0
14.5
5.0
4.0
1.0
15.0
5.5
ns
Propagation delay
OEn to Qn
Waveform 1, 2
4.0
3.5
10.0
6.0
14.0
9.0
4.0
3.5
14.5
10.5
ns
Propagation delay
Dn to Qn
74f30244
Waveform 1
4.0
3.0
10.5
5.5
14.5
9.0
4.0
3.0
15.0
9.5
ns
Propagation delay
OEn to Qn
Waveform 1, 2
4.0
3.5
9.5
6.0
14.0
9.0
4.0
3.5
14.5
10.5
ns
AC WAVEFORMS
For all waveforms, V
M
= 1.5V.
V
M
V
M
V
M
V
M
t
PHL
t
PLH
Dn, OEn
Qn
SF01384
Waveform 1. Propagation Delay for Data to Output
V
M
V
M
V
M
V
M
t
PLH
t
PHL
Dn, OEn
Qn
SF01385
Waveform 2. Propagation Delay for Data to Output
TYPICAL PROPAGATION DELAYS VERSUS LOAD FOR OPEN COLLECTOR OUTPUTS
NOTE:
When using Open-Collector parts, the value of the pull-up resistor greatly affects the value of the t
. For example, changing the
specified pull-up resistor value from 500
to 100
will improve the t
PLH
up to 50% with only a slight increase in the t
PHL
. However,
if the value of the pull-up resistor is changed, the user must make certain that the total I
OL
current through the resistor and the total
I
IL
s of the receivers does not exceed the I
OL
maximum specification.
t
PLH
t
PHL
600
500
400
300
200
100
0
0
1
2
3
4
5
6
7
8
9
LOAD RESISTOR (
)
P
SF01386
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|---|---|
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| 74F3040 | Dual 4-input NAND 30 ohm line driver |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F30244 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal 30ohm line driver with enable, non-inverting open collector |
| 74F30244N | 制造商:NXP Semiconductors 功能描述: |
| 74F3037 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quad 2-input NAND 30ohm driver |
| 74F3037N | 制造商:NXP Semiconductors 功能描述: 制造商:SIG 功能描述: |
| 74F3038 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quad 2-input NAND 30 ohm line driver open collector |
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