VCC =
參數(shù)資料
型號: MM74HC138SJ
廠商: Fairchild Semiconductor
文件頁數(shù): 4/7頁
文件大小: 0K
描述: IC DECODER 3-8 LINE 16-SOP
標準包裝: 47
系列: 74HC
類型: 解碼器
電路: 1 x 3:8
獨立電路: 1
輸出電流高,低: 5.2mA,5.2mA
電壓電源: 單電源
電源電壓: 2 V ~ 6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.209",5.30mm 寬)
供應商設備封裝: 16-SOP
包裝: 管件
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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