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參數(shù)資料
| 型號： | SN54ALS174FK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | HEX/QUADRUPLE D-TYPE FLIP-FLOPS WITH CLEAR |
| 中文描述： | 六角/四人房D型倒裝，沒有明確的觸發(fā)器 |
| 文件頁數(shù)： | 3/17頁 |
| 文件大?。?/td> | 527K |
| 代理商： | SN54ALS174FK |
SN54ALS174, SN54ALS175, SN54AS174, SN54AS175B
SN74ALS174, SN74ALS175, SN74AS174, SN74AS175B
HEX/QUADRUPLE D-TYPE FLIP-FLOPS WITH CLEAR
SDAS207E - APRIL 1982 - REVISED MAY 2002
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
logic diagrams (positive logic)
1D
C1
R
To Five Other Channels
1
9
3
2
CLR
CLK
1D
1Q
1Q
1
9
C1
1D
CLK
CLR
1D
R
1Q
To Three Other Channels
4
2
3
’
ALS174,
’
AS174
’
ALS175,
’
AS175B
Pin numbers shown are for the D, J, N, NS, and W packages.
absolute maximum ratings over operating free-air temperature range, SN54/74ALS174,
SN54/74ALS175 (unless otherwise noted)
Supply voltage, V
CC
Input voltage, V
I
Package thermal impedance,
θ
JA
(see Note 1): D package
7 V
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NS 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.
NOTE 1: The package thermal impedance is calculated in accordance with JESD 51-7.
73
°
C/W
67
°
C/W
64
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–
65
°
C to 150
°
C
recommended operating conditions (see Note 2)
SN54ALS174
SN54ALS175
SN74ALS174
SN74ALS175
UNIT
MIN
4.5
NOM
MAX
5.5
MIN
4.5
NOM
MAX
5.5
VCC
VIH
VIL
IOH
IOL
TA
NOTE 2: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs
, literature number SCBA004.
Supply voltage
5
5
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
High-level output current
–
0.4
–
0.4
mA
Low-level output current
4
8
mA
°
C
Operating free-air temperature
–
55
125
0
70
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