TA =
參數資料
型號: MM74HCT138M
廠商: Fairchild Semiconductor
文件頁數: 4/7頁
文件大?。?/td> 0K
描述: IC DECODER 3-TO-8 LINE 16-SOIC
標準包裝: 48
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(0.154",3.90mm 寬)
供應商設備封裝: 16-SOIC
包裝: 管件
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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MM74HCT138M_Q 功能描述:編碼器、解碼器、復用器和解復用器 3-to-8 Line Decoder RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量(輸入/輸出):2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
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