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參數(shù)資料
| 型號： | MM74HCT138SJX |
| 廠商： | Fairchild Semiconductor |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DECODER 3-TO-8 LINE 16-SOP |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 系列： | 74HCT |
| 類型： | 解碼器 |
| 電路： | 1 x 3:8 |
| 獨立電路： | 1 |
| 輸出電流高，低： | 4.8mA，4.8mA |
| 電壓電源： | 單電源 |
| 電源電壓： | 4.5 V ~ 5.5 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(yīng)商設(shè)備封裝： | 16-SOP |
| 包裝： | 帶卷 (TR) |
www.fairchildsemi.com
4
MM
74HCT138
AC Electrical Characteristics
TA = 25°C, VCC = 5.0V, tr = tf = 6 ns, CL = 15 pF (unless otherwise specified)
AC Electrical Characteristics
VCC = 5V ± 10%, 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
tPHL
Maximum Propagation Delay, A, B, or C to Output
20
35
ns
tPLH
Maximum Propagation Delay, A, B, or C to Output
13
25
ns
tPHL
Maximum Propagation Delay, G1 to Y Output
14
25
ns
tPLH
Maximum Propagation Delay, G1 to Y Output
13
25
ns
tPHL
Maximum Propagation Delay, G2A or G2B to Y Output
17
30
ns
tPLH
Maximum Propagation Delay, G2A or G2B to Y Output
13
25
ns
Symbol
Parameter
Conditions
TA = 25°CTA = 40 to 85°CTA = 55 to 125°C
Units
Typ
Guaranteed Limits
tPHL
Maximum Propagation Delay
24
40
50
60
ns
A, B, or C to Output
tPLH
Maximum Propagation Delay
18
30
38
45
ns
A, B, or C to Output
tPHL
Maximum Propagation Delay
17
30
38
45
ns
G1 to Y Output
tPLH
Maximum Propagation Delay
20
30
38
45
ns
G1 to Y Output
tPHL
Maximum Propagation Delay
23
35
43
52
ns
G2A or G2B to Y Output
tPLH
Maximum Propagation Delay
18
30
38
45
ns
G2A or G2B to Y Output
tTHL, tTLH
Maximum Output
15
19
22
ns
Rise and Fall Time
CIN
Input Capacitance
5
10
pF
CPD
Power Dissipation
55
pF
Capacitance
(Note 6)
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