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參數(shù)資料
| 型號： | SN54ALVTH16240WD |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Power Factor Controller in Critical-Mode Peak-Current-Mode Boost with OVP; Package: 8 LEAD PDIP; No of Pins: 8; Container: Rail; Qty per Container: 50 |
| 中文描述： | 2.5-V/3.3-V 16位緩沖器/ 3司機態(tài)輸出 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 178K |
| 代理商： | SN54ALVTH16240WD |
SN54ALVTH16240, SN74ALVTH16240
2.5-V/3.3-V 16-BIT BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCES138A – JULY 1998 – REVISED JANUARY 1999
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
The devices can be used as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer. The devices provide
inverting outputs and symmetrical active-low output-enable (OE) inputs.
When V
CC
is between 0 and 1.5 V, the device is in the high-impedance state during power up or power down.
However, to ensure the high-impedance state above 1.5 V, 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.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
The SN54ALVTH16240 is characterized for operation over the full military temperature range of –55
°
C to
125
°
C. The SN74ALVTH16240 is characterized for operation from –40
°
C to 85
°
C.
FUNCTION TABLE
(each 4-bit buffer)
INPUTS
OE
OUTPUT
Y
A
L
H
L
L
L
H
H
X
Z
logic symbol
47
1A1
46
1A2
44
1A3
43
1A4
1Y1
2
1Y2
3
1Y3
5
1Y4
6
41
2A1
40
2A2
38
2A3
37
2A4
2Y1
8
2Y2
9
2Y3
11
2Y4
12
36
3A1
35
3A2
33
3A3
32
3A4
3Y1
13
3Y2
14
3Y3
16
3Y4
17
30
4A1
29
4A2
27
4A3
26
4A4
4Y1
19
4Y2
20
4Y3
22
4Y4
23
EN1
1
EN4
24
1OE
2OE
3OE
4OE
EN2
48
EN3
25
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
1
1
1
2
1
3
1
4
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN74ALVTH16240DGG | 2.5-V/3.3-V 16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
| SN74ALVTH16240DGV | 2.5-V/3.3-V 16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
| SN54ALVTH16244 | 2.5-V/3.3-V 16-Bit Buffers/Drivers(2.5V/3.3V 16位緩沖器/驅(qū)動器(三態(tài)輸出)) |
| SN54ALVTH16245 | 2.5-V/3.3-V 16-Bit Bus Transceivers With 3-State Outputs(2.5V/3.3V 16位總線收發(fā)器(三態(tài)輸出)) |
| SN54ALVTH162827 | 2.5-V/3.3-V 20-Bit Buffers/Drivers(2.5V/3.3V 20位緩沖器/驅(qū)動器(三態(tài)輸出)) |
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