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參數(shù)資料
| 型號： | SN74LS242D |
| 廠商： | MOTOROLA INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | LS SERIES, DUAL 4-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO14 |
| 封裝： | SOIC-14 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 63K |
| 代理商： | SN74LS242D |
5-1
FAST AND LS TTL DATA
QUAD BUS TRANSCEIVER
The SN54 / 74LS242 and SN54 / 74LS243 are Quad Bus Transmitters / Re-
ceivers designed for 4-line asynchronous 2-way data communications
between data buses.
Hysteresis at Inputs to Improve Noise Immunity
2-Way Asynchronous Data Bus Communication
Input Clamp Diodes Limit High-Speed Termination Effects
LOGIC AND CONNECTION DIAGRAMS DIP (TOP VIEW)
14
13
12
11
10
9
1234
56
8
7
VCC GBA
NC
1B
2B
3B
4B
GBA
NC
1A
2A
3A
4A
GND
SN54 / 74LS242
SN54 / 74LS243
14
13
12
11
10
9
1234
56
8
7
VCC GBA
NC
1B
2B
3B
4B
GBA
NC
1A
2A
3A
4A
GND
NOTE:
The Flatpak version
has the same pinouts
(Connection Diagram) as
the Dual In-Line Package.
TRUTH TABLES
SN54 / 74LS242
INPUTS
OUTPUT
INPUTS
OUTPUT
GAB
D
OUTPUT
GAB
D
OUTPUT
L
H
L
X
(Z)
L
H
L
H
L
H
X
(Z)
H
L
SN54/74LS243
INPUTS
OUTPUT
INPUTS
OUTPUT
GAB
D
OUTPUT
GAB
D
OUTPUT
L
X
(Z)
L
H
L
H
X
(Z)
H
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = HIGH Impedance
SN54/74LS242
SN54/74LS243
QUAD BUS TRANSCEIVER
LOW POWER SCHOTTKY
ORDERING INFORMATION
SN54LSXXXJ
Ceramic
SN74LSXXXN
Plastic
SN74LSXXXDW SOIC
J SUFFIX
CERAMIC
CASE 632-08
N SUFFIX
PLASTIC
CASE 646-06
14
1
14
1
14
1
D SUFFIX
SOIC
CASE 751A-02
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74LS242M | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS242MEL | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS242N | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS243D | 功能描述:總線收發(fā)器 Quad bus transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| SN74LS243DE4 | 功能描述:總線收發(fā)器 Quad bus transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
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