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參數(shù)資料
| 型號： | SN54HCT574 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Octal Positive-Edge-Triggered D-Type Flip-Flops(八上升沿D觸發(fā)器(三態(tài)同相輸出)) |
| 中文描述： | 八路上升沿觸發(fā)D型正反器（八上升沿?觸發(fā)器（三態(tài)同相輸出）） |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 156K |
| 代理商： | SN54HCT574 |
SN54HCT574, SN74HCT574
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCLS177B – MARCH 1984 – REVISED JULY 1996
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
logic symbol
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
OE
CLK
1D
2
1D
3
2D
4
3D
5
4D
6
5D
11
1Q
19
2Q
18
3Q
17
4Q
16
5Q
15
6Q
14
7Q
13
8Q
12
7
6D
8
7D
9
8D
EN
1
C1
logic diagram (positive logic)
OE
CLK
1D
1Q
1
11
2
19
To Seven Other Channels
1D
C1
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
Maximum power dissipation at T
A
= 55
°
C (in still air) (see Note 2): DW package
–0.5 V to 7 V
±
20 mA
±
20 mA
±
35 mA
±
70 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6 W
1.3 W
0.7 W
. . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . .
N package
PW 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 maximum package power dissipation is calculated using a junction temperature of 150
°
C and a board trace length of 750 mils,
except for the N package, which has a trace length of zero.
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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