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參數(shù)資料
| 型號： | AC161M |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4-BIT SYNCHRONOUS BINARY COUNTERS |
| 中文描述： | 4位同步二進制計數(shù)器 |
| 文件頁數(shù)： | 6/15頁 |
| 文件大小： | 393K |
| 代理商： | AC161M |
CD54AC161, CD74AC161
4-BIT SYNCHRONOUS BINARY COUNTERS
SCHS239C
–
SEPTEMBER 1998
–
REVISED MARCH 2003
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
CC
Input clamp current, I
IK
(V
I
< 0 V or V
I
> V
CC
) (see Note 2)
Output clamp current, I
OK
(V
O
< 0 V or V
O
> V
CC
) (see Note 2)
Continuous output current, I
O
(V
O
> 0 V or V
O
< V
CC
)
Continuous current through V
CC
or GND
Package thermal impedance,
θ
JA
(see Note 3): E package
–
0.5 V to 6 V
±
20 mA
±
50 mA
±
50 mA
±
100 mA
67
°
C/W
73
°
C/W
–
65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
M 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:
2. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
3. The package thermal impedance is calculated in accordance with JESD 51-7.
recommended operating conditions (see Note 4)
TA = 25
°
C
–
55
°
C to
125
°
C
–
40
°
C to
85
°
C
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
VCC
Supply voltage
1.5
5.5
1.5
5.5
1.5
5.5
V
VCC = 1.5 V
VCC = 3 V
VCC = 5.5 V
VCC = 1.5 V
VCC = 3 V
VCC = 5.5 V
1.2
1.2
1.2
VIH
High-level input voltage
2.1
2.1
2.1
V
3.85
3.85
3.85
0.3
0.3
0.3
VIL
Low-level input voltage
0.9
0.9
0.9
V
1.65
1.65
1.65
VI
VO
IOH
IOL
Input voltage
0
VCC
VCC
–
24
0
VCC
VCC
–
24
0
VCC
VCC
–
24
V
Output voltage
0
0
0
V
High-level output current
mA
Low-level output current
24
24
24
mA
t/
v
Input transition rise or fall rate
VCC = 1.5 V to 3 V
VCC = 3.6 V to 5.5 V
50
20
50
20
50
20
ns
NOTE 4: 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.
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