參數(shù)資料
型號(hào): SN74LS249
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(qū)動(dòng)器
文件頁數(shù): 2/8頁
文件大?。?/td> 280K
代理商: SN74LS249
5-403
FAST AND LS TTL DATA
SN54/74LS247
SN54/74LS248
SN54/74LS249
SN54/74LS247
(TOP VIEW)
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SN54/74LS248
SN54/74LS259
(TOP VIEW)
ALL CIRCUIT TYPES FEATURE LAMP INTENSITY MODULATION CAPABILITY
DRIVER OUTPUTS
DISSIPATION
TYPE
ACTIVE
LEVEL
OUTPUT
CONFIGURATION
SINK
CURRENT
MAX
VOLTAGE
TYPICAL
POWER
SN54LS247
SN54LS248
SN54LS249
low
high
high
open-collector
2.0 k
pull-up
open-collector
12 mA
2.0 mA
4.0 mA
15 V
5.5 V
5.5 V
35 mW
125 mW
40 mW
SN74LS247
SN74LS248
SN74LS249
low
high
high
open-collector
2.0 k
pull-up
open-collector
24 mA
6.0 mA
8.0 mA
15 V
5.5 V
5.5 V
35 mW
125 mW
40 mW
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LOGIC DIAGRAM
LS247
LS248, LS249
相關(guān)PDF資料
PDF描述
SN54LS249J Dual 4-Input NAND Gate; Package: SOEIAJ-14; No of Pins: 14; Container: Rail; Qty per Container: 50
SN74LS249DW >6V Fixed Gain, Enhanced Gain 10 dBm Amplifier
SN74LS249N >6V Fixed Gain Amp, High Gain, Minimum Feedback
SN54LS256 Octal Buffer/Line Driver, 3 State; Package: 20 LEAD PDIP; No of Pins: 20; Container: Rail; Qty per Container: 18
SN54LS256J Octal Buffer/Line Driver, 3 State; Package: 20 LEAD PDIP; No of Pins: 20; Container: Rail; Qty per Container: 18
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74LS249 WAF 制造商:ON Semiconductor 功能描述:
SN74LS24AD 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
SN74LS24AN 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:LS SERIES, QUAD 2-INPUT NAND GATE, PDIP14
SN74LS251D 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8 To 1 Data Slctr/ Mltplxr W/3-St Otpt 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
SN74LS251DE4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8 To 1 Data Slctr/ Mltplxr W/3-St Otpt 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