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參數資料
| 型號： | SN74LS47D |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | 1A, 5V,±2% Tolerance, Negative Voltage Regulator, Ta = 0°C to +125°C; Package: TO-220, SINGLE GAUGE; No of Pins: 3; Container: Rail; Qty per Container: 50 |
| 中文描述： | LS SERIES, SEVEN SEGMENT DECODER/DRIVER, INVERTED OUTPUT, PDSO16 |
| 封裝： | PLASTIC, SOIC-16 |
| 文件頁數： | 1/8頁 |
| 文件大?。?/td> | 132K |
| 代理商： | SN74LS47D |
Semiconductor Components Industries, LLC, 1999
December, 1999 – Rev. 6
1
Publication Order Number:
SN74LS47/D
The SN74LS47 are Low Power Schottky BCD to 7-Segment
Decoder/Drivers consisting of NAND gates, input buffers and seven
AND-OR-INVERT gates. They offer active LOW, high sink current
outputs for driving indicators directly. Seven NAND gates and one
driver are connected in pairs to make BCD data and its complement
available to the seven decoding AND-OR-INVERT gates. The
remaining NAND gate and three input buffers provide lamp test,
blanking input/ripple-blanking output and ripple-blanking input.
The circuits accept 4-bit binary-coded-decimal (BCD) and,
depending on the state of the auxiliary inputs, decodes this data to
drive a 7-segment display indicator. The relative positive-logic output
levels, as well as conditions required at the auxiliary inputs, are shown
in the truth tables. Output configurations of the SN74LS47 are
designed to withstand the relatively high voltages required for
7-segment indicators.
These outputs will withstand 15 V with a maximum reverse current
of 250
μ
A. Indicator segments requiring up to 24 mA of current may
be driven directly from the SN74LS47 high performance output
transistors. Display patterns for BCD input counts above nine are
unique symbols to authenticate input conditions.
The SN74LS47 incorporates automatic leading and/or trailing-edge
zero-blanking control (RBI and RBO). Lamp test (LT) may be
performed at any time which the BI/RBO node is a HIGH level. This
device also contains an overriding blanking input (BI) which can be
used to control the lamp intensity by varying the frequency and duty
cycle of the BI input signal or to inhibit the outputs.
Lamp Intensity Modulation Capability (BI/RBO)
Open Collector Outputs
Lamp Test Provision
Leading/Trailing Zero Suppression
Input Clamp Diodes Limit High-Speed Termination Effects
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
BI/RBO
3.2
mA
V
O(off)
Off–State Output Voltage
a to g
15
V
I
O(on)
On–State Output Current
a to g
24
mA
LOW
POWER
SCHOTTKY
SOIC
D SUFFIX
CASE 751B
http://onsemi.com
PLASTIC
N SUFFIX
CASE 648
16
1
16
1
Device
Package
Shipping
ORDERING INFORMATION
SN74LS47N
16 Pin DIP
2000 Units/Box
SN74LS47D
16 Pin
2500/Tape & Reel
相關PDF資料 |
PDF描述 |
|---|---|
| SN74LS47N | BCD to 7-Segment Decoder/Driver |
| SN74LS541DW | OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS |
| SN74LS541N | 1A, 15V,±4% Tolerance, Negative Voltage Regulator, Ta = -40°C to +125°C; Package: TO-220, SINGLE GAUGE; No of Pins: 3; Container: Rail; Qty per Container: 50 |
| SN74LS540DW | OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS |
| SN74LS540N | 1A, 12V,±4% Tolerance, Negative Voltage Regulator, Ta = 0°C to +125°C; Package: 3 LEAD D2PAK; No of Pins: 3; Container: Rail; Qty per Container: 50 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74LS47DE4 | 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 |
| SN74LS47DG4 | 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 |
| SN74LS47DR | 制造商:Texas Instruments 功能描述:BCD-7-SEGMENT DECODER/DRIVER |
| SN74LS47N | 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 |
| SN74LS47N | 制造商:Texas Instruments 功能描述:IC 74LS 74LS47 DIP16 5.25V |
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