參數(shù)資料
型號(hào)： M74HC257C1R
廠商： 意法半導(dǎo)體
英文描述： HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE
中文描述： HC258QUAD 2頻道多路轉(zhuǎn)換三態(tài)，反相HC257四2通道多路3態(tài)
文件頁數(shù)： 9/12頁
文件大?。?/td> 259K
代理商： M74HC257C1R
AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns)
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
CL
(pF)
TA =25
oC
54HC and 74HC
-40 to 85
oC
74HC
-55 to 125
oC
54HC
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH
tTHL
Output Transition
Time
2.0
50
25
60
75
90
ns
4.5
7
121519
6.0
6
101315
tPLH
tPHL
Propagation
Delay Time
(A, B - Y)
2.0
50
45
100
125
150
ns
4.5
13
20
25
30
6.0
11
17
21
26
2.0
150
62
140
175
210
ns
4.5
18
28
35
42
6.0
15
24
30
36
tPLH
tPHL
Propagation
Delay Time
(SELECT - Y)
2.0
50
45
100
125
150
ns
4.5
13
20
25
30
6.0
11
17
21
26
2.0
150
62
140
175
210
ns
4.5
18
28
35
42
6.0
15
24
30
36
tPZL
tPZH
Output Enable
Time
2.0
50
RL =1 K
40
110
140
165
ns
4.5
12
22
28
33
6.0
10
19
24
28
2.0
150
RL =1 K
57
150
190
225
ns
4.5
17
30
38
45
6.0
14
26
32
38
tPLZ
tPHZ
Output Disable
Time
2.0
50
RL =1 K
28
140
175
210
ns
4.5
14
28
35
42
6.0
13
24
30
36
CIN
Input Capacitance
5
10
pF
COUT
Output
Capacitance
10
pF
CPD (*)
Power Dissipation
Capacitance
47
pF
(*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD
VCC fIN +ICC/4 (per Channel)
M54/M74HC257/258
6/12
相關(guān)PDF資料
PDF描述
M74HC27C1R Octal Buffer/Line Driver, OE Active Low
M74HC4017C1R IC LOGIC 2244T OCTAL BUFFERS/LINE DRIVERS WITH 3-STATE OUTPUTS AND SERIES DAMPING RESISTORS -40+85C SOIC-20 38/TUBE
M74HC4075M1 HC/UH SERIES, TRIPLE 3-INPUT OR GATE, PDSO14
M74HC540B1R HC/UH SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDIP20
M74HC595C1 HC/UH SERIES, 8-BIT RIGHT SERIAL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PQCC20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M74HC257F1R 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE
M74HC257M1R 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Quad 2-Ch Multiplexr RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
M74HC257RM13TR 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Quad 2-Ch Multiplexr RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
M74HC257TTR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:QUAD 2 CHANNEL MULTIPLEXER (3-STATE)
M74HC258 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購

我的聯(lián)系方式

*
*
*