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參數(shù)資料
| 型號(hào)： | SN54HC174 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Hex Positive-Edge-Triggered D-Type Flip-Flops With Clear(六上升沿D觸發(fā)器(有清除端)) |
| 中文描述： | 六角上升沿觸發(fā)D型觸發(fā)器與清除正反器（六上升沿?觸發(fā)器（有清除端）） |
| 文件頁(yè)數(shù)： | 2/6頁(yè) |
| 文件大?。?/td> | 127K |
| 代理商： | SN54HC174 |
SN54HC174, SN74HC174
HEX D-TYPE FLIP-FLOPS
WITH CLEAR
SCLS119A – DECEMBER 1982 – REVISED JANUARY 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.
Pin numbers shown are for the D, J, N, and W packages.
R
1
9
CLK
C1
1D
3
1D
4
2D
6
3D
11
4D
13
5D
14
6D
1Q
2
2Q
5
3Q
7
4Q
10
5Q
12
6Q
15
CLR
logic diagram (positive logic)
1D
C1
R
To Five Other Channels
1
9
3
2
CLR
CLK
1D
1Q
Pin numbers shown are for the D, J, N, and W packages.
absolute maximum ratings over operating free-air temperature range
Supply voltage range, VCC
–0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, IIK (VI < 0 or VI > VCC) (see Note 1)
±20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, IOK (VO < 0 or VO > VCC) (see Note 1)
±20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output current, IO (VO = 0 to VCC)
±25 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous current through VCC or GND
±50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum power dissipation at TA = 55°C (in still air) (see Note 2): D package
1.3 W
. . . . . . . . . . . . . . . . . . . .
N package
1.1 W
. . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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.
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