參數(shù)資料
型號(hào): MC74HCT138AD
廠商: MOTOROLA INC
元件分類: 通用總線功能
英文描述: 1-of-8 Decoder/Demultiplexer with LSTTL Compatible Inputs
中文描述: HCT SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16
封裝: 0.150 INCH, PLASTIC, SOIC-16
文件頁(yè)數(shù): 3/6頁(yè)
文件大小: 218K
代理商: MC74HCT138AD
MC74HCT138A
High–Speed CMOS Logic Data
DL129 — Rev 6
3
MOTOROLA
tPHL
(Figures 1 and 4)
tPLH,
Maximum Propagation Delay, CS1 to Output Y
27
34
41
ns
tTHL
(Figures 2 and 4)
Cin
NOTE:For propagation delays with loads other than 50 pF, and information on typical parametric values, see Chapter 2 of the Motorola High–
Maximum Input Rise and Fall Time
500
500
500
ns
Maximum Input Capacitance
10
10
10
pF
CPD
Power Dissipation Capacitance (Per Enabled Output)*
* Used to determine the no–load dynamic power consumption: PD = CPD VCC2f + ICC VCC. For load considerations, see Chapter 2 of the
Motorola High–Speed CMOS Data Book (DL129/D).
Typical @ 25
°
C, VCC = 5.0 V
51
pF
EXPANDED LOGIC DIAGRAM
A0
A1
A2
CS3
CS2
CS1
1
2
3
4
5
6
15
14
13
12
11
10
9
7
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y0
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