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參數(shù)資料
| 型號： | HD74HC243 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Buffers And Line Drivers With 3-State Outputs 20-CDIP -55 to 125 |
| 中文描述： | 四?？偩€收發(fā)器（3態(tài)輸出），四?？偩€收發(fā)器（帶noninverted三態(tài)輸出） |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 60K |
| 代理商： | HD74HC243 |
HD74HC242/HD74HC243
6
AC Characteristics
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Ta = 25
°
C
Ta = –40 to
+85
°
C
Item
Symbol
V
CC
(V)
2.0
Min Typ Max Min
Max
Unit
Test Conditions
Propagation delay t
PHL
time
—
—
90
—
115
ns
4.5
—
10
18
—
23
6.0
—
—
15
—
20
t
PLH
2.0
—
—
90
—
115
ns
4.5
—
10
18
—
23
6.0
—
—
15
—
20
Output enable
t
ZL
2.0
—
—
150 —
190
ns
time
4.5
—
14
30
—
38
6.0
—
—
26
—
33
t
ZH
2.0
—
—
150 —
190
ns
4.5
—
15
30
—
38
6.0
—
—
26
—
33
Output disable
t
LZ
2.0
—
—
150 —
190
ns
time
4.5
—
18
30
—
38
6.0
—
—
26
—
33
t
HZ
2.0
—
—
150 —
190
ns
4.5
—
20
30
—
38
6.0
—
—
26
—
33
Output rise/fall
t
TLH
t
THL
2.0
—
—
60
—
75
ns
time
4.5
—
4
12
—
15
6.0
—
—
10
—
13
Input capacitance
Cin
—
—
5
10
—
10
pF
相關PDF資料 |
PDF描述 |
|---|---|
| HD74HC244 | Octal Buffers And Line Drivers With 3-State Outputs 20-CDIP -55 to 125 |
| HD74HC245 | Octal Buffers And Line Drivers With 3-State Outputs 20-LCCC -55 to 125 |
| HD74HC251 | Octal Buffers And Line Drivers With 3-State Outputs 20-CDIP -55 to 125 |
| HD74HC253 | Octal Buffers And Line Drivers With 3-State Outputs 20-CFP -55 to 125 |
| HD74HC257 | Octal Buffers And Line Drivers With 3-State Outputs 20-CDIP -55 to 125 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HD74HC243FP-E | 制造商:Renesas Electronics Corporation 功能描述: |
| HD74HC244FP | 制造商:Hitachi 功能描述:HC/UH SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, SOIC-20 |
| HD74HC244FP(E) | 制造商:Renesas Electronics Corporation 功能描述: |
| HD74HC244FP-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HC244FPEL-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
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