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參數資料
| 型號： | SN74LS148D |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 10-LINE-TO-4-LINE AND 8-LINE-TO-3-LINE PRIORITY ENCODERS |
| 中文描述： | LS SERIES, 8-BIT ENCODER, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 134K |
| 代理商： | SN74LS148D |
Semiconductor Components Industries, LLC, 1999
December, 1999 – Rev. 6
1
Publication Order Number:
SN74LS147/D
The SN74LS147 and the SN74LS148 are Priority Encoders. They
provide priority decoding of the inputs to ensure that only the highest
order data line is encoded. Both devices have data inputs and outputs
which are active at the low logic level.
The LS147 encodes nine data lines to four-line (8-4-2-1) BCD. The
implied decimal zero condition does not require an input condition
because zero is encoded when all nine data lines are at a high logic
level.
The LS148 encodes eight data lines to three-line (4-2-1) binary
(octal). By providing cascading circuitry (Enable Input EI and Enable
Output EO) octal expansion is allowed without needing external
circuitry.
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
V
CC
Supply Voltage
4.75
5.0
5.25
V
T
A
Operating Ambient
Temperature Range
0
25
70
°
C
I
OH
Output Current – High
–0.4
mA
I
OL
Output Current – Low
8.0
mA
LOW
POWER
SCHOTTKY
Device
Package
Shipping
ORDERING INFORMATION
SN74LS147N
16 Pin DIP
2000 Units/Box
SN74LS147D
16 Pin
SOIC
D SUFFIX
CASE 751B
http://onsemi.com
2500/Tape & Reel
PLASTIC
N SUFFIX
CASE 648
16
1
16
1
SN74LS148N
16 Pin DIP
SN74LS148D
16 Pin
2000 Units/Box
2500/Tape & Reel
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| SN74LS14D | Ultra-Compact Input Device Solution Combines 5-way Rocker and Scrollwheel Functionality with 2 Analog Cursor Control Modes |
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| SN54LS14J | SCHMITT TRIGGERS DUAL GATE/HEX INVERTER |
| SN54LS13J | SCHMITT TRIGGERS DUAL GATE/HEX INVERTER |
| SN74LS13D | SCHMITT TRIGGERS DUAL GATE/HEX INVERTER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74LS148DE4 | 功能描述:編碼器、解碼器、復用器和解復用器 8-line to 3-line Priority encoder RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SN74LS148DG4 | 功能描述:編碼器、解碼器、復用器和解復用器 8 Ln to 3 Ln Priority Encoder RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SN74LS148DR | 功能描述:編碼器、解碼器、復用器和解復用器 8 to 3 Priority RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SN74LS148DR2 | 制造商:ON Semiconductor 功能描述:Encoder 8-to-3 Priority Bipolar 16-Pin SOIC T/R |
| SN74LS148DRE4 | 功能描述:編碼器、解碼器、復用器和解復用器 8-line to 3-line Priority encoder RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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