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參數資料
| 型號： | SN74LS247 |
| 廠商： | Motorola, Inc. |
| 英文描述： | BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS |
| 中文描述： | BCD碼到七段解碼器/驅動器 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 125K |
| 代理商： | SN74LS247 |
Semiconductor Components Industries, LLC, 1999
December, 1999 – Rev. 6
1
Publication Order Number:
SN74LS247/D
The SN74LS247 is a BCD-to-Seven-Segment Decoder/Drivers.
The LS247 composes the and with the tails. The LS247 has
active-low outputs for direct drive of indicators.
The LS247 features a lamp test input and have full ripple-blanking
input/output controls. An automatic leading and/or trailing-edge
zero-blanking control (RBI and RBO) is incorporated and an
overriding blanking input (BI) is contained which may be used to
control the lamp intensity by pulsing or to inhibit the output’s lamp test
may be performed at any time when the BI/RBO node is at high level.
Segment identification and resultant displays are shown below.
Display pattern for BCD input counts above 9 are unique symbols to
authenticate input conditions.
Open-Collector Outputs Drive Indicators Directly
Lamp-Test Provision
Leading/Trailing Zero Suppression
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
BI/RBO
–50
A
I
OL
Output Current – Low
BI/RBO
3.2
mA
V
O(off)
Off–State Output Voltage
a – g
15
V
I
O(on)
On–State Output Current
a – g
24
mA
LOW
POWER
SCHOTTKY
Device
Package
Shipping
ORDERING INFORMATION
SN74LS247N
16 Pin DIP
2000 Units/Box
SN74LS247D
16 Pin
SOIC
D SUFFIX
CASE 751B
http://onsemi.com
2500/Tape & Reel
PLASTIC
N SUFFIX
CASE 648
16
1
16
1
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| SN74LS251N | LOW POWER SCHOTTKY |
| SN74LS251DW | 5V Fixed Gain Amp, for Applications to 1 GHz |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74LS247D | 功能描述:編碼器、解碼器、復用器和解復用器 BCD to 7 Segment 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 |
| SN74LS247DE4 | 功能描述:編碼器、解碼器、復用器和解復用器 BCD-To-Seven-Segment Decoder/Driver 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 |
| SN74LS247DG4 | 功能描述:編碼器、解碼器、復用器和解復用器 BCD-To-7-Segment Decoders/Drivers 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 |
| SN74LS247DR | 功能描述:編碼器、解碼器、復用器和解復用器 BCD-To-Seven-Segment Decoder/Driver 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 |
| SN74LS247DRE4 | 功能描述:編碼器、解碼器、復用器和解復用器 BCD-To-Seven-Segment Decoder/Driver 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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