参数资料
型号: MM74HC138N
厂商: Fairchild Semiconductor
文件页数: 4/7页
文件大小: 0K
描述: IC DECODER 3-8LINE EXP 16-DIP
标准包装: 25
系列: 74HC
类型: 解码器
电路: 1 x 3:8
独立电路: 1
输出电流高,低: 5.2mA,5.2mA
电压电源: 单电源
电源电压: 2 V ~ 6 V
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 16-DIP(0.300",7.62mm)
供应商设备封装: 16-DIP
包装: 管件
其它名称: 74HC138
www.fairchildsemi.com
4
MM
74HC138
AC Electrical Characteristics
VCC = 5V, TA = 25°C, CL = 15 pF, tr = tf = 6 ns
AC Electrical Characteristics
CL = 50 pF, tr = tf = 6 ns (unless otherwise specified)
Note 6: CPD determines the no load dynamic power consumption, PD = CPD VCC
2f
+ I
CC VCC, and the no load dynamic current consumption,
IS = CPD VCC f + ICC.
Symbol
Parameter
Conditions
Typ
Guaranteed
Units
Limit
tPLH
Maximum Propagation
18
25
ns
Delay, Binary Select to any Output
tPHL
Maximum Propagation
28
35
ns
Delay, Binary Select to any Output
tPHL, tPLH
Maximum Propagation
18
25
ns
Delay, G1 to any Output
tPHL
Maximum Propagation
23
30
ns
Delay G2A or G2B to
Output
tPLH
Maximum Propagation
18
25
ns
Delay G2A or G2B to Output
Symbol
Parameter
Conditions
VCC
TA= 25°CTA= 40 to 85°C
Units
Typ
Guaranteed Limits
tPLH
Maximum Propagation
2.0V
75
150
189
ns
Delay Binary Select to
4.5V
15
30
38
ns
any Output LOW-to-HIGH
6.0V
13
26
32
ns
tPHL
Maximum Propagation
2.0V
100
200
252
ns
Delay Binary Select to any
4.5V
20
40
50
ns
Output HIGH-to-LOW
6.0V
17
34
43
ns
tPHL, tPLH
Maximum Propagation
2.0V
75
150
189
ns
Delay G1 to any
4.5V
15
30
38
ns
Output
6.0V
13
26
32
ns
tPHL
Maximum Propagation
2.0V
82
175
221
ns
Delay G2A or G2B to
4.5V
28
35
44
ns
Output
6.0V
22
30
37
ns
tPLH
Maximum Propagation
2.0V
75
150
189
ns
Delay G2A or G2B to
4.5V
15
30
38
ns
Output
6.0V
13
26
32
ns
tTLH, tTHL
Output Rise and
2.0V
30
75
95
ns
Fall Time
4.5V
8
15
19
ns
6.0V
7
13
16
ns
CIN
Maximum Input
3
10
pF
Capacitance
CPD
Power Dissipation
(Note 6)
75
pF
Capacitance
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MM74HC138N 制造商:Fairchild Semiconductor Corporation 功能描述:IC 74HC CMOS 74HC138 DIP16 6V
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