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參數(shù)資料
| 型號： | SN54HCT540W |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Fixed-72kHz Buck PWM Voltage-Mode Controller with 40V / 5A Switch; Package: TO-220 5 LEAD STANDARD; No of Pins: 5; Container: Rail; Qty per Container: 50 |
| 中文描述： | 八路緩沖器和線路驅(qū)動器，三態(tài)輸出 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大小： | 93K |
| 代理商： | SN54HCT540W |
SN54HCT540, SN74HCT540
OCTAL BUFFERS AND LINE DRIVERS
WITH 3-STATE OUTPUTS
SCLS008B – MARCH 1984 – REVISED MAY 1997
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
logic symbol
2
A1
3
A2
4
5
A3
A4
1
Y1
18
Y2
17
Y3
Y4
16
15
&
EN
6
A5
7
A6
Y5
14
Y6
13
19
OE1
OE2
8
A7
9
A8
Y7
12
Y8
11
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
logic diagram (positive logic)
OE1
OE2
To Seven Other Channels
A1
Y1
1
19
2
18
absolute maximum ratings over operating free-air temperature range
Supply voltage range, V
CC
Input clamp current, I
IK
(V
I
< 0 or V
I
> V
CC
) (see Note 1)
Output clamp current, I
OK
(V
O
< 0 or V
O
> V
CC
) (see Note 1)
Continuous output current, I
O
(V
O
= 0 to V
CC
)
Continuous current through V
CC
or GND
Package thermal impedance,
θ
JA
(see Note 2): DW package
–0.5 V to 7 V
±
20 mA
±
20 mA
±
35 mA
±
70 mA
97
°
C/W
67
°
C/W
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51, except for through-hole packages, which use a trace
length of zero.
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