参数资料
型号: MM74HC640J
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: HC/UH SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, CDIP20
封装: DIP-20
文件页数: 3/6页
文件大小: 145K
代理商: MM74HC640J
AC Electrical Characteristics
V
CC
e
5V, T
A
e
25
§
C, t
r
e
t
f
e
6 ns
Symbol
Parameter
Conditions
Typ
Guaranteed
Limit
Units
t
PHL
, t
PLH
Maximum Propagation Delay
C
L
e
45 pF
13
17
ns
t
PZH
, t
PZL
Maximum Output Enable Time
R
L
e
1 k
X
C
L
e
45 pF
33
42
ns
t
PHZ
, t
PLZ
Maximum Output Disable Time
R
L
e
1 k
X
C
L
e
5 pF
32
42
ns
AC Electrical Characteristics
V
CC
e
2.0V to 6.0V, C
L
e
50 pF, t
r
e
t
f
e
6 ns (unless otherwise specified)
T
A
e
25
§
C
74HC
54HC
Symbol
Parameter
Conditions
V
CC
T
A
eb
40 to 85
§
C
T
A
eb
55 to 125
§
C
Units
Typ
Guaranteed Limits
t
PHL
,
t
PLH
Maximum Propagation Delay
C
L
e
50 pF
C
L
e
150 pF
2.0V
2.0V
29
38
72
96
88
116
96
128
ns
ns
C
L
e
50 pF
C
L
e
150 pF
4.5V
4.5V
14
18
18
24
22
29
24
32
ns
ns
C
L
e
50 pF
C
L
e
150 pF
6.0V
6.0V
14
18
18
24
22
29
24
32
ns
ns
t
PZH
,
Maximum Output Enable
R
L
e
1 k
X
t
PZL
C
L
e
50 pF
C
L
e
150 pF
2.0V
2.0V
70
80
184
216
224
260
240
284
ns
ns
C
L
e
50 pF
C
L
e
150 pF
4.5V
4.5V
35
41
46
54
56
65
60
71
ns
ns
C
L
e
50 pF
C
L
e
150 pF
6.0V
6.0V
31
36
41
47
50
57
54
62
ns
ns
t
PHZ
,
t
PLZ
Maximum Output Disable
Time
R
L
e
1 k
X
C
L
e
50 pF
2.0V
4.5V
6.0V
47
33
31
172
43
41
208
52
50
224
56
54
ns
ns
ns
t
THL
, t
TLH
Output Rise and Fall Time
C
L
e
50 pF
2.0V
4.5V
6.0V
20
6
5
60
12
10
75
15
13
90
18
15
ns
ns
ns
C
PD
Power Dissipation
Capacitance (Note 5)
G
e
V
IL
G
e
V
IH
120
12
pF
pF
C
IN
Maximum Input Capacitance
5
10
10
10
pF
C
IN/OUT
Maximum Input/Output
Capacitance, A or B
15
20
20
20
pF
Note 5:
C
PD
determines the no load dynamic power consumption, P
D
e
C
PD
V
CC2
f
a
I
CC
V
CC
, and the no load dynamic current consumption, I
S
e
C
PD
V
CC
f
a
I
CC
.
3
相关PDF资料
PDF描述
MM74HC640N Inverting Octal TRI-STATE Transceiver
MM74HC643 Inverting Octal TRI-STATE Transceiver
MM74HC643J Inverting Octal TRI-STATE Transceiver
MM74HC643N Inverting Octal TRI-STATE Transceiver
MM54HC646 Non-Inverting Octal Bus Transceiver/Registers
相关代理商/技术参数
参数描述
MM74HC640N 制造商:NSC 制造商全称:National Semiconductor 功能描述:Inverting Octal TRI-STATE Transceiver
MM74HC643 制造商:NSC 制造商全称:National Semiconductor 功能描述:Inverting Octal TRI-STATE Transceiver
MM74HC643AN 制造商:Rochester Electronics LLC 功能描述:- Bulk
MM74HC643J 制造商:NSC 制造商全称:National Semiconductor 功能描述:Inverting Octal TRI-STATE Transceiver
MM74HC643N 制造商:NSC 制造商全称:National Semiconductor 功能描述:Inverting Octal TRI-STATE Transceiver