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參數(shù)資料
| 型號(hào)： | HD74HC253 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Buffers And Line Drivers With 3-State Outputs 20-CFP -55 to 125 |
| 中文描述： | 雙4比1線(xiàn)數(shù)據(jù)選擇器/多路轉(zhuǎn)換器（3態(tài)輸出） |
| 文件頁(yè)數(shù)： | 4/6頁(yè) |
| 文件大?。?/td> | 33K |
| 代理商： | HD74HC253 |
HD74HC253
4
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
PLH
time
—
—
125 —
155
ns
Data to Y
t
PHL
4.5
—
18
25
—
31
6.0
—
—
21
—
26
2.0
—
—
160 —
200
Select to Y
4.5
—
20
32
—
40
6.0
—
—
27
—
34
Output enable
t
ZL
t
ZH
2.0
—
—
100 —
125
ns
time
4.5
—
11
20
—
25
6.0
—
—
17
—
21
Output disable
t
LZ
t
HZ
2.0
—
—
150 —
190
ns
time
4.5
—
15
30
—
38
6.0
—
—
26
—
33
Output rise/fall
t
TLH
t
THL
2.0
—
—
75
—
95
ns
time
4.5
—
5
15
—
19
6.0
—
—
13
—
16
Input capacitance
Cin
—
—
5
10
—
10
pF
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PDF描述 |
|---|---|
| HD74HC257 | Octal Buffers And Line Drivers With 3-State Outputs 20-CDIP -55 to 125 |
| HD74HC258 | Octal Buffers And Line Drivers With 3-State Outputs 20-CFP -55 to 125 |
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| HD74HC273 | Octal Bus Transceivers With 3-State Outputs 20-CFP -55 to 125 |
| HD74HC279 | Octal Bus Transceivers With 3-State Outputs 20-CDIP -55 to 125 |
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參數(shù)描述 |
|---|---|
| HD74HC258FP | 制造商:Renesas Electronics Corporation 功能描述:Multiplexer 1-Element CMOS 3-ST 8-IN 16-Pin SOP |
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| HD74HC273FPVEL-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
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| HD74HC27FP | 制造商:Renesas Electronics Corporation 功能描述:NOR Gate 3-Element 3-IN CMOS 14-Pin SOP |
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