参数资料
型号: SNJ54LV240AJ
厂商: Texas Instruments, Inc.
英文描述: OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
中文描述: 八路缓冲器/ 3司机态输出
文件页数: 2/15页
文件大小: 357K
代理商: SNJ54LV240AJ
SCLS384H SEPTEMBER 1997 REVISED APRIL 2005
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description/ordering information (continued)
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
FUNCTION TABLE
(each buffer)
INPUTS
OE
OUTPUT
Y
A
L
H
L
L
L
H
H
X
Z
logic diagram (positive logic)
1
2
18
1Y1
1OE
1A1
4
16
1Y2
1A2
6
14
1Y3
1A3
8
12
1Y4
1A4
19
11
9
2Y1
2OE
2A1
13
7
2Y2
2A2
15
5
2Y3
2A3
17
3
2Y4
2A4
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