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参数资料
| 型号： | MM74HCT640J |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 通用总线功能 |
| 英文描述： | Inverting Octal TRI-STATE Transceiver |
| 中文描述： | HCT SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, CDIP20 |
| 封装： | DIP-20 |
| 文件页数： | 2/4页 |
| 文件大小： | 140K |
| 代理商： | MM74HCT640J |
Absolute Maximum Ratings
(Notes 1 & 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Supply Voltage (V
CC
)
DC Input Voltage (V
IN
)
DC Output Voltage (V
OUT
)
Clamp Diode Current (I
IK
, I
OK
)
DC Output Current, per pin (I
OUT
)
DC V
CC
or GND Current, per pin (I
CC
)
Storage Temperature Range (T
STG
)
Power Dissipation (P
D
)
(Note 3)
S.O. Package only
b
0.5 to
a
7.0V
b
1.5 to V
CC
a
1.5V
b
0.5 to V
CC
a
0.5V
g
20 mA
g
35 mA
g
70 mA
b
65
§
C to
a
150
§
C
600 mW
500 mW
Lead Temperature (T
L
)
(Soldering 10 seconds)
260
§
C
Operating Conditions
Min
4.5
Max
5.5
Units
V
Supply Voltage (V
CC
)
DC Input or Output Voltage
(V
IN
, V
OUT
)
Operating Temp. Range (T
A
)
MM74HCT
MM54HCT
0
V
CC
V
b
40
b
55
a
85
a
125
§
C
§
C
Input Rise or Fall Times
(t
r
, t
f
)
500
ns
DC Electrical Characteristics
V
CC
e
5V
g
10% (unless otherwise specified)
T
A
e
25
§
C
74HCT
54HCT
Symbol
Parameter
Conditions
T
A
eb
40 to 85
§
C
T
A
eb
55 to 125
§
C
Units
Typ
Guaranteed Limits
V
IH
Minimum High Level
Input Voltage
2.0
2.0
2.0
V
V
IL
Maximum Low Level
Input Voltage
0.8
0.8
0.8
V
V
OH
Minimum High Level
Output Voltage
V
IN
e
V
IH
or V
IL
l
I
OUT
l
e
20
m
A
l
I
OUT
l
e
6.0mA, V
CC
e
4.5V
l
I
OUT
l
e
7.2mA, V
CC
e
5.5V
V
IN
e
V
IH
or V
IL
l
I
OUT
l
e
20
m
A
l
I
OUT
l
e
6.0mA, V
CC
e
4.5V
l
I
OUT
l
e
7.2mA, V
CC
e
5.5V
V
IN
e
V
CC
or GND,
V
IH
or V
IL
V
OUT
e
V
CC
or GND
Enable G
e
V
IH
V
CC
4.2
5.2
V
CC
-0.1
3.98
4.98
V
CC
-0.1
3.84
4.84
V
CC
-0.1
3.7
4.7
V
V
V
V
OL
Maximum Low Level
Voltage
0
0.1
0.26
0.26
0.1
0.33
0.33
0.1
0.4
0.4
V
V
V
0.2
0.2
I
IN
Maximum Input
Current
g
0.1
g
1.0
g
1.0
m
A
I
OZ
Maximum TRI-STATE
Output Leakage
Current
g
0.5
g
5.0
g
10
m
A
I
CC
Maximum Quiescent
Supply Current
V
IN
e
V
CC
or GND
I
OUT
e
0
m
A
V
IN
e
2.4V or 0.5V
(Note 4)
8
80
160
m
A
0.6
1.0
1.3
1.5
mA
Note 1:
Absolute Maximum Ratings are those values beyond which damage to the device may occur.
Note 2:
Unless otherwise specified all voltages are referenced to ground.
Note 3:
Power Dissipation temperature derating D plastic ‘‘N’’ package:
b
12 mW/
§
C from 65
§
C to 85
§
C; ceramic ‘‘J’’ package:
b
12 mW/
§
C from 100
§
C to 125
§
C.
Note 4:
Measured per input. All other inputs held at V
CC
or ground.
AC Electrical Characteristics
MM54HCT640/MM74HCT640
V
CC
e
5.0V, t
r
e
t
f
e
6 ns, T
A
e
25
§
C (unless otherwise specified)
Symbol
Parameter
Conditions
Typ
Guaranteed
Limits
Units
t
PHL
, t
PLH
Maximum Output
Propagation Delay
C
L
e
45 pF
16
20
ns
t
PZL
, t
PZH
Maximum Output
Enable Time
C
L
e
45 pF
R
L
e
1 k
X
C
L
e
5 pF
R
L
e
1 k
X
29
40
ns
t
PLZ
, t
PHZ
Maximum Output
Disable Time
20
25
ns
2
相关PDF资料 |
PDF描述 |
|---|---|
| MM74HCT640N | Inverting Octal TRI-STATE Transceiver |
| MM74HCT643 | Inverting Octal TRI-STATE Transceiver |
| MM74HCT643J | Inverting Octal TRI-STATE Transceiver |
| MM74HCT643N | Inverting Octal TRI-STATE Transceiver |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MM74HCT640N | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Inverting Octal TRI-STATE Transceiver |
| MM74HCT640WM | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MM74HCT643 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Inverting Octal TRI-STATE Transceiver |
| MM74HCT643J | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Inverting Octal TRI-STATE Transceiver |
| MM74HCT643N | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Inverting Octal TRI-STATE Transceiver |
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