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| 型號： | WAH4245 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS |
| 中文描述： | 16位雙電源總線收發(fā)器可配置電壓轉(zhuǎn)換和三態(tài)輸出 |
| 文件頁數(shù)： | 9/11頁 |
| 文件大小： | 180K |
| 代理商： | WAH4245 |
SN74AVCAH164245
16-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES396
–
JULY 2002
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
output description
The DOC
circuitry is implemented, which, during the transition, initially lowers the output impedance to
effectively drive the load and, subsequently, raises the impedance to reduce noise. Figure 1 shows typical V
OL
vs I
OL
and V
OH
vs I
OH
curves to illustrate the output impedance and drive capability of the circuit. At the
beginning of the signal transition, the DOC circuit provides a maximum dynamic drive that is equivalent to a
high-drive standard-output device. For more information, refer to the TI application reports,
AVC Logic Family
Technology and Applications
, literature number SCEA006, and
Dynamic Output Control (DOC
) Circuitry
Technology and Applications
, literature number SCEA009.
136
–
128
–
144
–
160
0.4
0.8
1.2
1.6
2.0
2.4
2.8
170
153
119
102
85
68
51
34
17
0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
TA = 25
°
C
Process = Nominal
IOL
–
Output Current
–
mA
VCC = 3.3 V
VCC = 2.5 V
VCC = 1.8 V
–
–
O
V
TA = 25
°
C
Process = Nominal
IOH
–
Output Current
–
mA
VCC = 3.3 V
VCC = 2.5 V
VCC = 1.8 V
–
–
O
V
–
80
–
96
–
112
–
32
–
48
–
64
0
–
16
Figure 1. Output Voltage vs Output Current
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