參數(shù)資料
型號(hào)： 74HCT4051
廠商： Texas Instruments, Inc.
英文描述： High Speed CMOS Logic Analog Multiplexers/Demultiplexers
中文描述： 高速CMOS邏輯模擬多路復(fù)用器/解復(fù)用器
文件頁(yè)數(shù)： 6/27頁(yè)
文件大小： 466K
代理商： 74HCT4051
6
Absolute Maximum Ratings
(Note 2)
Thermal Information
DC Supply Voltage, V
CC
- V
EE
. . . . . . . . . . . . . . . . . -0.5V to 10.5V
DC Supply Voltage, V
CC. . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +7V
DC Supply Voltage, V
EE . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.5V to -7V
DC Input Diode Current, I
IK
For V
I
< -0.5V or V
I
> V
CC
+ 0.5V
. . . . . . . . . . . . . . . . . . . . . .±
20mA
DC Switch Diode Current, I
OK
For V
I
< V
EE
-0.5V or V
I
> V
CC
+ 0.5V
. . . . . . . . . . . . . . . . .±
20mA
DC Switch Current, (Note 2)
For V
I
> V
EE
-0.5V or V
I
< V
CC
+ 0.5V
. . . . . . . . . . . . . . . . .±
25mA
DC V
CC
or Ground Current, I
CC
. . . . . . . . . . . . . . . . . . . . . . . . .±
50mA
DC V
EE
Current, I
EE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20mA
NOTE:
1. The package thermal impedance is calculated in accordance with JESD 51-7.
Recommended Operating Conditions
Package Thermal Impedance,
θ
JA
(see Note 1):
E (PDIP) Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
o
C/W
M (SOIC) Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
o
C/W
NS (SOP) Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
o
C/W
PW (TSSOP) Package . . . . . . . . . . . . . . . . . . . . . . . . . .108
o
C/W
Maximum Junction Temperature. . . . . . . . . . . . . . . . . . . . . . . 150
o
C
Maximum Storage Temperature Range . . . . . . . . . .-65
o
C to 150
o
C
Maximum Lead Temperature (Soldering 10s). . . . . . . . . . . . . 300
o
C
For maximum reliability, nominal operating conditions should be selected so that
operation is always within the following ranges
PARAMETER
MIN
MAX
UNITS
Supply Voltage Range (For T
A
= Full Package Temperature Range), V
CC
(Note 2)
CD54/74HC Types
2
6
V
CD54/74HCT Types
4.5
5.5
V
Supply Voltage Range (For T
A
= Full Package Temperature Range), V
CC
- V
EE
CD54/74HC Types, CD54/74HCT Types (See Figure 1)
2
10
V
Supply Voltage Range (For T
A
= Full Package Temperature Range), V
EE
(Note 3)
CD54/74HC Types, CD54/74HCT Types (See Figure 2)
0
-6
V
DC Input Control Voltage, V
I
GND
V
CC
V
Analog Switch I/O Voltage, V
IS
V
EE
V
CC
V
Operating Temperature, T
A
-55
125
o
C
Input Rise and Fall Times, t
r
, t
f
2V
0
1000
ns
4.5V
0
500
ns
6V
0
400
ns
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
2. All voltages referenced to GND unless otherwise specified.
.
3. In certain applications, the external load resistor current may include both V
CC
and signal line components. To avoid drawing V
CC
current
when switch current flows into the transmission gate inputs, the voltage drop across the bidirectional switch must not exceed 0.6V (cal-
culated from r
ON
values shown in Electrical Specifications table). No V
CC
current will flow through R
L
if the switch current flows into
terminal 3 on the HC/HCT4051; terminals 3 and 13 on the HC/HCT4052; terminals 4, 14 and 15 on the HC/HCT4053.
Recommended Operating Area as a Function of Supply Voltages
FIGURE 1.
FIGURE 2.
HCT
V
C
V
CC
- V
EE
(V)
8
6
4
2
00
2
4
6
8
10
12
HC
HCT
V
C
V
EE
- GND (V)
8
6
4
2
00
-2
-4
-6
-8
HC
’HC4051, ’HCT4051, ’HC4052, CD74HCT4052, ’HC4053, CD74HCT4053
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