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SN74LS27N /逻辑门 Triple 3-input Positive-NOR gates
SN74LS27N的规格信息
SN74LS27N的图片

图像仅供参考，请参阅规格书

制造商:Texas Instruments

产品种类:逻辑门

RoHS:是

产品:Single-Function Gate

逻辑功能:NOR

逻辑系列:LS

栅极数量:3 Gate

输入线路数量:3 Input

输出线路数量:1 Output

高电平输出电流:- 16 mA

低电平输出电流:0.8 mA

传播延迟时间:15 ns

电源电压-最大:5.25 V

电源电压-最小:4.75 V

最小工作温度:0 C

最大工作温度:+ 70 C

安装风格:Through Hole

封装 / 箱体:PDIP-14

封装:Tube

功能:NOR

高度:4.57 mm

输入类型:TTL

长度:19.3 mm

工作温度范围:0 C to + 70 C

输出类型:TTL

系列:SN74LS27

宽度:6.35 mm

商标:Texas Instruments

逻辑类型:3-Input NOR

位数:3 bit

工作电源电流:26 uA

工作电源电压:5 V

产品类型:Logic Gates

工厂包装数量:25

子类别:Logic ICs

单位重量:1 g

供应商SN74LS27N
SN74LS27N的供应商,可免费索样
供应商型号地址联系电话联系人在线联系询价
深圳市威雅利发展有限公司SN74LS27N华强北路1019号华强广场A16楼18124047120
18124047120		韩雪Email:3004202884@qq.com询价
深圳市芯幂科技有限公司SN74LS27N深圳市福田区福田街道福安社区民田路178号华融大厦240513267088774
13267088774 (微信同号)		Alienskype:live:.cid.3d55cb3c1097ae8dEmail:service@xinmisc.com询价
北京金州智业科技有限公司SN74LS27Nwww.bjjzzy.com13683302275
13683302275		王先生Email:359548161@qq.com询价
深圳市德州众泰科技有限公司SN74LS27N深圳市福田区航都大厦25F0755-82780836
13360526935		蔡泽锋Email:sam@678ic.com询价
集好芯城SN74LS27N深圳市福田区航都大厦25F4008626627
13360071553		陈泽辉Email:sam@678ic.com询价
集好芯城SN74LS27N深圳市福田区航都大厦25F0755-82564006
18188616613		郑小姐Email:sam@678ic.com询价
芯莱德电子（香港）有限公司SN74LS27N深圳市福田区航都大厦10L13352985419
13352985419，19076157484		杨先生Email:2881915365@qq.com询价
深圳市仓实科技有限公司SN74LS27N深圳市福田区福田街道17080955875李先生Email:service@cangshixc.com询价
深圳市辉华拓展电子有限公司SN74LS27N深圳市福田区航都大厦25F0755-83289799
18129819897		蔡小姐Email:sam@678ic.com询价
深圳市高捷芯城科技有限公司SN74LS27N深圳市福田区航都大厦10B13352985419
13352985419		木易Email:2881915365@qq.com询价
柒号芯城电子商务（深圳）有限公司SN74LS27N深圳市福田区华强北路1019号华强广场D座23楼0755-83663056
18922805453，18929374037，18922803401		连Email:seven@7-ic.com询价
深圳市坤融电子有限公司SN74LS27N航都大厦10I0755-23990975
13926529829，17318082080		肖瑶，树平Email:hzk@krchips.com询价
深圳市芯泽盛世科技有限公司SN74LS27N龙岗区平湖街道平湖社区平安大道3号铁东物流区11栋18220755-89697985
18822854608		李先生Email:2119980731@qq.com询价
深圳市荣创芯微科技有限公司SN74LS27NSR深圳市福田区华强北都会B做12N0755-82501483
15818715186		郭小姐Email:860705666@qq.com询价
深圳市高捷半导体有限公司SN74LS27N深圳市福田区航都大厦10层13380394549
13380394549		颜小姐Email:2881915365@qq.com询价
深圳市亿鸿丰电子科技有限公司SN74LS27N深圳市福田区华富路1046-1号华康大厦2栋2楼2100755-83230201
19147724283，19147721680		王小姐，刘先生Email:345720093@qq.com询价
深圳市毅创腾电子科技有限公司SN74LS27N深圳市福田区华强北路现代之窗大厦B座18I室0755-83616256 / 83210909
13725570869		朱小姐Email:szyctdz@163.com询价
深圳市百视威讯电子科技有限公司SN74LS27NSR华强广场C座18J0755-27381274
18098996457		董先生skype:微信15013613919Email:15013613919@163.com询价
深圳市浩睿泽电子科技有限公司SN74LS27N深圳市福田区福田街道岗厦社区彩田路3069号星河世纪A栋2003F1919854773352
19854773352		罗先生Email:250652363@qq.com询价
深圳市水星电子有限公司SN74LS27N地址1：深圳市龙岗区平湖街道华利嘉电子市场B1C177/地址2：深圳市福田区华强北街道赛格广场6402B0755-89585609
13632880560		李Email:ljw@sxdzic.cn询价
SN74LS27N及相关型号的PDF资料
型号功能描述生产厂商厂商LOGOPDF大小PDF页数下载地址相关型号
SN74LS27NTRIPLE 3-INPUT NOR GATE MOTOROLA[Motorola, Inc]MOTOROLA[Motorola, Inc]的LOGO122.13 Kbytes共4页SN74LS27N的PDF下载地址74ALS27,74F27,HEF4025B,M74HC27,TC74VHC27F,74LCX27,74VHC27,M74HCT27,IN74HC27A,CD4023BM
SN74LS27NTRIPLE 3-INPUT POSITIVE-NOR GATES TI[Texas Instruments]TI[Texas Instruments]的LOGO223.93 Kbytes共8页SN74LS27N的PDF下载地址SN54ALS27A,SN54F27,SN54HC27,74ACT11027,54AC11027,SN54ACT11,HD74LS27,DM7427,SN54LV11A
SN74LS27N3TRIPLE 3-INPUT POSITIVE-NOR GATES TI[Texas Instruments]TI[Texas Instruments]的LOGO223.93 Kbytes共8页SN74LS27N3的PDF下载地址SN54ALS27A,SN54F27,SN54HC27,74ACT11027,54AC11027,SN54ACT11,HD74LS27,DM7427,SN54LV11A
SN74LS27NE4TRIPLE 3-INPUT POSITIVE-NOR GATES TI[Texas Instruments]TI[Texas Instruments]的LOGO223.93 Kbytes共8页SN74LS27NE4的PDF下载地址SN54ALS27A,SN54F27,SN54HC27,74ACT11027,54AC11027,SN54ACT11,HD74LS27,DM7427,SN54LV11A
SN74LS27NSRTRIPLE 3-INPUT POSITIVE-NOR GATES TI[Texas Instruments]TI[Texas Instruments]的LOGO223.93 Kbytes共8页SN74LS27NSR的PDF下载地址SN54ALS27A,SN54F27,SN54HC27,74ACT11027,54AC11027,SN54ACT11,HD74LS27,DM7427,SN54LV11A
SN74LS27NSRE4TRIPLE 3-INPUT POSITIVE-NOR GATES TI[Texas Instruments]TI[Texas Instruments]的LOGO223.93 Kbytes共8页SN74LS27NSRE4的PDF下载地址SN54ALS27A,SN54F27,SN54HC27,74ACT11027,54AC11027,SN54ACT11,HD74LS27,DM7427,SN54LV11A
SN74LS27N的全球分销商及价格
销售商型号制造商功能描述价格
元器件资料网-Am2的LOGO
Am2		SN74LS27NMotorola1+:￥8.14
10+:￥6.58
100+:￥5.05
500+:￥3.9
1000+:￥3.5199
2500+:￥3.13
10000+:￥3.0099
25000+:￥2.941+:￥6.49
10+:￥5.25
100+:￥4.0299
500+:￥3.56
1000+:￥3.48
2500+:￥3.19
10000+:￥3.12
25000+:￥3.04
50000+:￥2.951+:￥7.76
10+:￥6.28
100+:￥4.82
500+:￥3.72
1000+:￥3.36
2500+:￥2.97
10000+:￥2.87
25000+:￥2.85+:￥1.9510+:￥7.82
100+:￥6.8
250+:￥6.06
500+:￥6.02
元器件资料网-Arrow(艾睿)的LOGO
Arrow(艾睿)		SN74LS27NTexas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC) 半导体 逻辑门 Triple 3-input Positive-NOR gates1+:￥8.14
10+:￥6.58
100+:￥5.05
500+:￥3.9
1000+:￥3.5199
2500+:￥3.13
10000+:￥3.0099
25000+:￥2.941+:￥6.49
10+:￥5.25
100+:￥4.0299
500+:￥3.56
1000+:￥3.48
2500+:￥3.19
10000+:￥3.12
25000+:￥3.04
50000+:￥2.951+:￥7.76
10+:￥6.28
100+:￥4.82
500+:￥3.72
1000+:￥3.36
2500+:￥2.97
10000+:￥2.87
25000+:￥2.85+:￥1.9510+:￥7.82
100+:￥6.8
250+:￥6.06
500+:￥6.021+:￥3.79
元器件资料网-Arrow(艾睿)的LOGO
Arrow(艾睿)		SN74LS27NE4Texas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC) 半导体 逻辑门 Triple 3-input Positive-NOR gates775+:￥3.9775+:￥3.56
1000+:￥3.48
2500+:￥3.19
10000+:￥3.12
25000+:￥3.04
50000+:￥2.9525+:￥5.39
50+:￥5.0101
500+:￥4.1799
1000+:￥3.85
2000+:￥3.341+:￥3.79
元器件资料网-Arrow(艾睿)的LOGO
Arrow(艾睿)		SN74LS27NSRTexas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC)1+:￥8.51
10+:￥7.5001
25+:￥6.77
100+:￥5.92
250+:￥5.19
500+:￥4.61
750+:￥4.02
1000+:￥3.641+:￥6.49
10+:￥5.25
100+:￥4.0299
500+:￥3.56
1000+:￥3.48
2000+:￥3.19
10000+:￥3.12
24000+:￥3.04
50000+:￥2.952000+:￥3.341+:￥3.79
元器件资料网-Avnet Express的LOGO
Avnet Express		SN74LS27NTexas InstrumentsTRIPLE 3-INPUT NOR GATE - Rail/Tube1 : $0.5318
999 : $0.5137
元器件资料网-Bristol Electronics的LOGO
Bristol Electronics		SN74LS27NTexas Instruments价格未公开
元器件资料网-Chip One Exchange的LOGO
Chip One Exchange		SN74LS27NTexas Instruments价格未公开
元器件资料网-Chip One Exchange的LOGO
Chip One Exchange		SN74LS27N3Texas Instruments价格未公开
元器件资料网-Chip1Stop的LOGO
Chip1Stop		SN74LS27NTexas InstrumentsNOR Gate 3-Element 3-IN Bipolar 14-Pin PDIP Tube
RoHS : Compliant		25 : $0.535
500 : $0.454
1,000 : $0.442
元器件资料网-ChipOneStop的LOGO
ChipOneStop		SN74LS27NTexas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC) 半导体 逻辑门 Triple 3-input Positive-NOR gates1+:￥8.14
10+:￥6.58
100+:￥5.05
500+:￥3.9
1000+:￥3.5199
2500+:￥3.13
10000+:￥3.0099
25000+:￥2.941+:￥6.49
10+:￥5.25
100+:￥4.0299
500+:￥3.56
1000+:￥3.48
2500+:￥3.19
10000+:￥3.12
25000+:￥3.04
50000+:￥2.951+:￥7.76
10+:￥6.28
100+:￥4.82
500+:￥3.72
1000+:￥3.36
2500+:￥2.97
10000+:￥2.87
25000+:￥2.85+:￥1.95
元器件资料网-ChipOneStop的LOGO
ChipOneStop		SN74LS27NE4Texas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC) 半导体 逻辑门 Triple 3-input Positive-NOR gates775+:￥3.9775+:￥3.56
1000+:￥3.48
2500+:￥3.19
10000+:￥3.12
25000+:￥3.04
50000+:￥2.9525+:￥5.39
50+:￥5.0101
500+:￥4.1799
1000+:￥3.85
2000+:￥3.34
元器件资料网-ChipOneStop的LOGO
ChipOneStop		SN74LS27NSRTexas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC)1+:￥8.51
10+:￥7.5001
25+:￥6.77
100+:￥5.92
250+:￥5.19
500+:￥4.61
750+:￥4.02
1000+:￥3.641+:￥6.49
10+:￥5.25
100+:￥4.0299
500+:￥3.56
1000+:￥3.48
2000+:￥3.19
10000+:￥3.12
24000+:￥3.04
50000+:￥2.952000+:￥3.34
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		SN74LS27NTexas InstrumentsIC GATE NOR 3CH 3-INP 14-DIP1,000 : $0.4845
500 : $0.6137
100 : $0.7429
10 : $0.953
1 : $1.07
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		SN74LS27NTexas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC) 半导体 逻辑门 Triple 3-input Positive-NOR gates1+:￥8.14
10+:￥6.58
100+:￥5.05
500+:￥3.9
1000+:￥3.5199
2500+:￥3.13
10000+:￥3.0099
25000+:￥2.94
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		SN74LS27NTexas InstrumentsIC GATE NOR 3CH 3-INP 14DIP$1.17000
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		SN74LS27NE4Texas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC) 半导体 逻辑门 Triple 3-input Positive-NOR gates775+:￥3.9
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		SN74LS27NE4Texas InstrumentsIC GATE NOR 3CH 3-INP 14-DIP775 : $0.6137
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		SN74LS27NSTexas InstrumentsIC GATE NOR 3CH 3-INP 14-SO$0.52000
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		SN74LS27NSRTexas InstrumentsIC GATE NOR 3CH 3-INP 14-SO10 : $0.982
1 : $1.1
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		SN74LS27NSRTexas InstrumentsIC GATE NOR 3CH 3-INP 14SOP$0.55945
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		SN74LS27NSRTexas InstrumentsIC GATE NOR 3CH 3-INP 14SOP$0.50000
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		SN74LS27NSRTexas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC)1+:￥8.51
10+:￥7.5001
25+:￥6.77
100+:￥5.92
250+:￥5.19
500+:￥4.61
750+:￥4.02
1000+:￥3.64
元器件资料网-element14 Asia-Pacific的LOGO
element14 Asia-Pacific		SN74LS27NTexas InstrumentsIC GATE
RoHS : Compliant		1 : $6.25
10 : $4.68
元器件资料网-element14 e络盟电子的LOGO
element14 e络盟电子		SN74LS27NTexas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC) 半导体 逻辑门 Triple 3-input Positive-NOR gates1+:￥8.14
10+:￥6.58
100+:￥5.05
500+:￥3.9
1000+:￥3.5199
2500+:￥3.13
10000+:￥3.0099
25000+:￥2.941+:￥6.49
10+:￥5.25
100+:￥4.0299
500+:￥3.56
1000+:￥3.48
2500+:￥3.19
10000+:￥3.12
25000+:￥3.04
50000+:￥2.951+:￥7.76
10+:￥6.28
100+:￥4.82
500+:￥3.72
1000+:￥3.36
2500+:￥2.97
10000+:￥2.87
25000+:￥2.8
元器件资料网-MCM Electronics的LOGO
MCM Electronics		SN74LS27NPanasonic Electronic ComponentsIC$2.27
元器件资料网-Mouser 贸泽电子的LOGO
Mouser 贸泽电子		SN74LS27NTexas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC) 半导体 逻辑门 Triple 3-input Positive-NOR gates1+:￥8.14
10+:￥6.58
100+:￥5.05
500+:￥3.9
1000+:￥3.5199
2500+:￥3.13
10000+:￥3.0099
25000+:￥2.941+:￥6.49
10+:￥5.25
100+:￥4.0299
500+:￥3.56
1000+:￥3.48
2500+:￥3.19
10000+:￥3.12
25000+:￥3.04
50000+:￥2.95
元器件资料网-Mouser 贸泽电子的LOGO
Mouser 贸泽电子		SN74LS27NTexas Instruments逻辑门 Triple 3-input Positive-NOR gates1:¥8.4524
10:¥7.2094
100:¥5.537
500:¥4.8929
元器件资料网-Mouser 贸泽电子的LOGO
Mouser 贸泽电子		SN74LS27NE4Texas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC) 半导体 逻辑门 Triple 3-input Positive-NOR gates775+:￥3.9775+:￥3.56
1000+:￥3.48
2500+:￥3.19
10000+:￥3.12
25000+:￥3.04
50000+:￥2.95
元器件资料网-Mouser 贸泽电子的LOGO
Mouser 贸泽电子		SN74LS27NSRTexas Instruments逻辑门 Triple 3-input Positive-NOR gates1:¥8.4524
10:¥7.2094
100:¥5.537
500:¥4.8929
2,000:¥3.4239
元器件资料网-Mouser 贸泽电子的LOGO
Mouser 贸泽电子		SN74LS27NSRTexas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC)1+:￥8.51
10+:￥7.5001
25+:￥6.77
100+:￥5.92
250+:￥5.19
500+:￥4.61
750+:￥4.02
1000+:￥3.641+:￥6.49
10+:￥5.25
100+:￥4.0299
500+:￥3.56
1000+:￥3.48
2000+:￥3.19
10000+:￥3.12
24000+:￥3.04
50000+:￥2.95
元器件资料网-Rochester的LOGO
Rochester		SN74LS27NON Semiconductor1+:￥8.14
10+:￥6.58
100+:￥5.05
500+:￥3.9
1000+:￥3.5199
2500+:￥3.13
10000+:￥3.0099
25000+:￥2.941+:￥6.49
10+:￥5.25
100+:￥4.0299
500+:￥3.56
1000+:￥3.48
2500+:￥3.19
10000+:￥3.12
25000+:￥3.04
50000+:￥2.951+:￥7.76
10+:￥6.28
100+:￥4.82
500+:￥3.72
1000+:￥3.36
2500+:￥2.97
10000+:￥2.87
25000+:￥2.85+:￥1.9510+:￥7.82
100+:￥6.8
250+:￥6.06
500+:￥6.021+:￥3.7925+:￥4.97
100+:￥4.06
500+:￥3.461+:￥0.73
25+:￥0.73
50+:￥0.72
100+:￥0.71
300+:￥0.71
500+:￥0.7
1000+:￥0.7
5000+:￥0.6899
元器件资料网-Rochester的LOGO
Rochester		SN74LS27NSRTexas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC)1+:￥8.51
10+:￥7.5001
25+:￥6.77
100+:￥5.92
250+:￥5.19
500+:￥4.61
750+:￥4.02
1000+:￥3.641+:￥6.49
10+:￥5.25
100+:￥4.0299
500+:￥3.56
1000+:￥3.48
2000+:￥3.19
10000+:￥3.12
24000+:￥3.04
50000+:￥2.952000+:￥3.341+:￥3.791+:￥3.291+:￥2.6
25+:￥2.58
50+:￥2.55
100+:￥2.53
300+:￥2.5199
500+:￥2.51
1000+:￥2.48
5000+:￥2.46
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		SN74LS27NRochester Electronics LLCNOR SN74LS27N价格未公开
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		SN74LS27NON SemiconductorN/A500 : $0.12
1,000 : $0.11
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		SN74LS27NTexas InstrumentsN/A500 : $0.42
1,000 : $0.4
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		SN74LS27N3Rochester Electronics LLCNOR SN74LS27N3价格未公开
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		SN74LS27NE4Rochester Electronics LLCNOR SN74LS27NE4价格未公开
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		SN74LS27NSRTexas InstrumentsN/A500 : $0.42
1,000 : $0.4
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		SN74LS27NSRRochester Electronics LLCNOR SN74LS27NSR价格未公开
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		SN74LS27NSRE4Rochester Electronics LLCNOR SN74LS27NSRE4价格未公开
元器件资料网-TME Electronic Components的LOGO
TME Electronic Components		SN74LS27NTEXAS INSTRUMENTSIC: digital; NOR; Channels:3; Inputs:3; THT; DIP14; Series: LS100 : $0.44
元器件资料网-Verical的LOGO
Verical		SN74LS27NTexas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC) 半导体 逻辑门 Triple 3-input Positive-NOR gates1+:￥8.14
10+:￥6.58
100+:￥5.05
500+:￥3.9
1000+:￥3.5199
2500+:￥3.13
10000+:￥3.0099
25000+:￥2.941+:￥6.49
10+:￥5.25
100+:￥4.0299
500+:￥3.56
1000+:￥3.48
2500+:￥3.19
10000+:￥3.12
25000+:￥3.04
50000+:￥2.951+:￥7.76
10+:￥6.28
100+:￥4.82
500+:￥3.72
1000+:￥3.36
2500+:￥2.97
10000+:￥2.87
25000+:￥2.85+:￥1.9510+:￥7.82
100+:￥6.8
250+:￥6.06
500+:￥6.021+:￥3.7925+:￥4.97
100+:￥4.06
500+:￥3.46
元器件资料网-Verical的LOGO
Verical		SN74LS27NTexas InstrumentsNOR Gate 3-Element 3-IN Bipolar 14-Pin PDIP Tube$0.4366
元器件资料网-Verical的LOGO
Verical		SN74LS27NE4Texas InstrumentsNOR Gate 3-Element 3-IN Bipolar 14-Pin PDIP Tube$0.4564
元器件资料网-Verical的LOGO
Verical		SN74LS27NE4Texas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC) 半导体 逻辑门 Triple 3-input Positive-NOR gates775+:￥3.9775+:￥3.56
1000+:￥3.48
2500+:￥3.19
10000+:￥3.12
25000+:￥3.04
50000+:￥2.9525+:￥5.39
50+:￥5.0101
500+:￥4.1799
1000+:￥3.85
2000+:￥3.341+:￥3.791+:￥3.29
元器件资料网-Verical的LOGO
Verical		SN74LS27NSRTexas Instruments逻辑 - 栅极和逆变器 74LS 集成电路 (IC)1+:￥8.51
10+:￥7.5001
25+:￥6.77
100+:￥5.92
250+:￥5.19
500+:￥4.61
750+:￥4.02
1000+:￥3.641+:￥6.49
10+:￥5.25
100+:￥4.0299
500+:￥3.56
1000+:￥3.48
2000+:￥3.19
10000+:￥3.12
24000+:￥3.04
50000+:￥2.952000+:￥3.341+:￥3.791+:￥3.29
SN74LS27N的相关型号
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