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參數(shù)資料
| 型號： | 74ABT245 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal transceiver with direction pin (3-State)(具有定向引腳的八收發(fā)器（三態(tài)）) |
| 中文描述： | 八路收發(fā)器的方向引腳（3態(tài)）（具有定向引腳的八收發(fā)器（三態(tài)）） |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 104K |
| 代理商： | 74ABT245 |
Philips Semiconductors
Product specification
74ABT245
Octal transceiver with direction pin (3-State)
1998 Jan 16
5
AC CHARACTERISTICS
GND = 0V; t
R
= t
F
= 2.5ns; C
L
= 50pF, R
L
= 500
LIMITS
SYMBOL
PARAMETER
WAVEFORM
T
amb
= +25
°
C
V
CC
= +5.0V
T
amb
= –40
°
C to +85
°
C
CC
= +5.0V
±
0.5V
UNIT
Min
Typ
Max
Min
Max
t
PLH
t
PHL
Propagation delay
An to Bn or Bn to An
1
1.0
1.0
2.2
2.9
4.1
4.2
1.0
1.0
4.6
4.6
ns
t
PZH
t
PZL
Output enable time
to High and Low level
2
1.3
2.3
3.0
4.0
4.8
5.8
1.3
2.3
5.3
6.3
ns
t
PHZ
t
PLZ
Output disable time
from High and Low Level
2
1.0
1.0
4.7
4.1
6.2
5.8
1.0
1.0
7.2
6.3
ns
AC WAVEFORMS
V
M
= 1.5V, V
IN
= GND to 3.0V
An or Bn
INPUT
V
M
V
M
Bn or An
OUTPUT
V
M
V
M
t
PLH
t
PHL
SA00124
Waveform 1. Waveforms Showing the Input to Output
Propagation Delays
nOE INPUT
OUTPUT
OUTPUT
V
M
V
M
t
PZH
t
PHZ
V
OH
V
OH
– 0.3V
V
M
V
M
V
OL
t
PZL
t
PLZ
3.5V
0V
V
OL
+ 0.3V
SA00024
Waveform 2. Waveforms Showing the 3-State Output Enable
and Disable Times
TEST CIRCUIT AND WAVEFORMS
C
L
= 50 pF
500
Load Circuit
DEFINITIONS
C
L
=
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
TEST
S1
t
pd
open
t
PLZ
/t
PZL
7 V
t
PHZ
/t
PZH
open
SA00012
500
From Output
Under Test
S1
7 V
Open
GND
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74ABT245_07 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal Bi-Directional Transceiver with 3-STATE Outputs |
| 74ABT245-1DB | 制造商:NXP Semiconductors 功能描述:ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 74ABT245BD | 制造商:NXP Semiconductors 功能描述:74ABT245BD |
| 74ABT245CDC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single 8-bit Bus Transceiver |
| 74ABT245CDCQR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single 8-bit Bus Transceiver |
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