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74ALVTH16244GRG4 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 2 Page - Texas Instruments

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๋ถ€ํ’ˆ๋ช… 74ALVTH16244GRG4
์ƒ์„ธ๋‚ด์šฉ  2.5-V/3.3-V 16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
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74ALVTH16244GRG4 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 2 Page - Texas Instruments

 
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SN54ALVTH16244, SN74ALVTH16244
2.5-V/3.3-V 16-BIT BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCES070G โ€“ JUNE 1996 โ€“ REVISED MAY 1999
2
POST OFFICE BOX 655303
โ€ข DALLAS, TEXAS 75265
description (continued)
When VCC is between 0 and 1.2 V, the device is in the high-impedance state during power up or power down.
However, to ensure the high-impedance state above 1.2 V, the output-enable (OE) input should be tied to VCC
through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of
the driver.
These devices are fully specified for hot-insertion applications using Ioff and power-up 3-state. The Ioff circuitry
disables the outputs, preventing damaging current backflow through the devices when they are powered down.
The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down,
which prevents driver conflict.
The SN54ALVTH16244 is characterized for operation over the full military temperature range of โ€“55
ยฐC to
125
ยฐC. The SN74ALVTH16244 is characterized for operation from โ€“40ยฐC to 85ยฐC.
FUNCTION TABLE
(each buffer)
INPUTS
OUTPUT
OE
A
Y
L
H
H
L
LL
H
X
Z
logic diagram (positive logic)
1OE
1A1
1A2
1A3
1A4
1Y1
1Y2
1Y3
1Y4
1
47
46
44
43
2
3
5
6
2OE
2A1
2A2
2A3
2A4
2Y1
2Y2
2Y3
2Y4
48
41
40
38
37
8
9
11
12
3OE
3A1
3A2
3A3
3A4
3Y1
3Y2
3Y3
3Y4
25
36
35
33
32
13
14
16
17
4OE
4A1
4A2
4A3
4A4
4Y1
4Y2
4Y3
4Y4
24
30
29
27
26
19
20
22
23


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