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參數(shù)資料
| 型號(hào)： | 7LVC1284D |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 3.3V Parallel printer interface transceiver/buffer |
| 中文描述： | 7 I/O, PIA-PRINTER INTERFACE, PDSO20 |
| 文件頁(yè)數(shù)： | 5/10頁(yè) |
| 文件大?。?/td> | 100K |
| 代理商： | 7LVC1284D |
Philips Semiconductors
Product specification
74LVC1284
3.3V Parallel printer interface transceiver/buffer
1995 Nov 10
5
AC WAVEFORMS
V
M
= 1.5V
V
X
= V
OL
V
Y
= V
OH
–0.3V
V
OL
and V
OH
are the typical output voltage drops that occur with the
output load. (V
CC
never goes below 3.0V).
0.3V
V
M
t
PLH
t
PHL
V
OH
V
OL
SY00001
V
M
INPUTS
GND
OUTPUTS
V = 2.7V
Waveform 1.
Input Bn to output An propagation delays
V
OUTPUT
LOW-to-OFF
OFF-to-LOW
V
OL
V
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
GND
t
PZH
V
M
V
M
V
M
V
M
V
M
t
PZL
t
PHZ
t
PLZ
outputs
enabled
outputs
disabled
outputs
enabled
DIR
to A
DIR
to B
HD
to B
V
X
V
Y
SY00002
Waveform 2.
3-State enable and disable times
t
PLH
t
PHL
SY00008
INPUT
OUTPUT
2.4V
1.4V
0.4V
V
OUT
V
OUT
–1.4V
1.4V
1.4V
Waveform 3.
Voltage Waveforms Propagation Delay Times
(A To B) Measured at Output Pin
0.4V
2.4V
0.9V
0.4V
t1
t2
t1
t2
2.4V
1.9V
INPUT
OUTPUT
SY00007
Waveform 4.
(Input pulse rise and fall time are 3ns, 150ns
for both a Low to High and a High to Low transition.)
Slew Rate measured between 0.4V and 0.9V - rising.
Slew Rate measured between 2.4V and 1.9V - falling.
Slew Rate measured at TP1.
Slew Rate Waveforms Voltage Waveforms
pulse width
10
μ
s,
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| 7LVC373APWDH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal D-type transparent latch with 5-volt tolerant inputs/outputs 3-State |
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