半导体-集成电路/集成电路-Logic | CoreStaff ONLINE

日本半导体・电子部品零件・模组产品的购物网站

Language: 简体中文 - ZH-CN ▼

Currency: USD ▼
- RMB

新会员登录

查看购物车

客服咨询

Manufacturer

清除

点击数：39947～ / 型号： / 库存类别：全部 / 数量：0PCS~

Page　213 of 799

搜索结果（Excel）

库存类别供应商排名	库存所在位置	型号 / 制造商 / 其他	库存量	生产批次	单价	最低订货数量 / 后续订购数量	预定出货日	资讯核友型号	Manufacturer	Series	Logic Type	Number of Elements	Input Type	Output Type	Voltage - Supply	Current - Output High, Low	Product Overview	Number of Bits per Element	Operating Temperature Range	Applications	Automotive	Mounting Type	Device Package
質量保證 A-3	来自供应商的订	SN74LS240N TEXAS INSTRUMENTS	629		10pcs ～ $1.307 100pcs ～ $0.846 500pcs ～ $0.788 1,000pcs ～ $0.75 5,000pcs ～ $0.742 10,000pcs ～ $0.737 > 继续查看	MOQ : 10 SPQ : 1	预计 9个工作日	核友型号：st72724786	Texas Instruments	LS	Buffers/Inverting	2		3-State	4.75V ~ 5.25V	15mA/24mA		4	0°C ~ 70°C(TA)	Catalog		Through Hole	20-PDIP
質量保證 A-3	来自供应商的订	SN74LS244NSR TEXAS INSTRUMENTS	2,000		10pcs ～ $1.485 100pcs ～ $1.024 500pcs ～ $0.966 1,000pcs ～ $0.928 5,000pcs ～ $0.92 10,000pcs ～ $0.915 > 继续查看	MOQ : 10 SPQ : 1	预计 9个工作日	核友型号：st74825852	Texas Instruments	LS	Bipolar Buffers Non-inverting	2			4.75 ~ 5.25V			4	0°C ~ 70	Catalog		Surface Mount	SO 20pin
質量保證 A-3	来自供应商的订	SN74LS245N TEXAS INSTRUMENTS	3,323		10pcs ～ $1.307 100pcs ～ $0.846 500pcs ～ $0.788 1,000pcs ～ $0.75 5,000pcs ～ $0.742 10,000pcs ～ $0.737 > 继续查看	MOQ : 10 SPQ : 1	Approx. 9 days	核友型号：st71439217	Texas Instruments	LS	Transceivers/Non-inverting	1		3-State	4.75V ~ 5.25V	15mA/24mA		8	0°C ~ 70°C(TA)	Catalog		Through Hole	20-PDIP
質量保證 A-3	来自供应商的订	SN74LS245N TEXAS INSTRUMENTS	10		10pcs ～ $1.227 100pcs ～ $0.775 500pcs ～ $0.718 1,000pcs ～ $0.681 5,000pcs ～ $0.673 10,000pcs ～ $0.667 > 继续查看	MOQ : 10 SPQ : 1	Approx. 7 days	核友型号：st66657485	Texas Instruments	LS	Transceivers/Non-inverting	1		3-State	4.75V ~ 5.25V	15mA/24mA		8	0°C ~ 70°C(TA)	Catalog		Through Hole	20-PDIP
質量保證 A-3	来自供应商的订	SN74LS273N TEXAS INSTRUMENTS	3,762		10pcs ～ $1.429 100pcs ～ $0.968 500pcs ～ $0.91 1,000pcs ～ $0.872 5,000pcs ～ $0.864 10,000pcs ～ $0.858 > 继续查看	MOQ : 10 SPQ : 1	Approx. 9 days	核友型号：st71439221	Texas Instruments	74LS	D-Type	Positive Edge	Non-Inverting	4.75 V ~ 5.25 V	400μ A/8 mA	27 mA		40 MHz	27ns @ 5V/15pF	8	1	Master Reset	0°C ~ +70°C(TA)
質量保證 A-3	来自供应商的订	SN74LS279AN TEXAS INSTRUMENTS	592		10pcs ～ $1.279 100pcs ～ $0.818 500pcs ～ $0.76 1,000pcs ～ $0.722 5,000pcs ～ $0.714 10,000pcs ～ $0.708 > 继续查看	MOQ : 10 SPQ : 1	Approx. 9 days	核友型号：st71439222	Texas Instruments	LS	Standard	S-R Latch	4.75 V ~ 5.25 V	400μ A/8 mA	12ns	1:01	4	0°C ~ +70°C	Standard		Through Hole	16-DIP(0.300"/7.62mm)
質量保證 A-3	来自供应商的订	SN74LS30N TEXAS INSTRUMENTS	467		10pcs ～ $0.517 100pcs ～ $0.303 500pcs ～ $0.245 1,000pcs ～ $0.207 5,000pcs ～ $0.199 10,000pcs ～ $0.193 > 继续查看	MOQ : 10 SPQ : 1	Approx. 9 days	核友型号：st71439181	TEXAS INSTRUMENTS	LS	NAND Gate				8	1					0°C ~ 70°C		Catalog
質量保證 A-3	来自供应商的订	SN74LS32N TEXAS INSTRUMENTS	297		10pcs ～ $0.97 100pcs ～ $0.509 500pcs ～ $0.451 1,000pcs ～ $0.413 5,000pcs ～ $0.405 10,000pcs ～ $0.399 > 继续查看	MOQ : 10 SPQ : 1	Approx. 9 days	核友型号：st71439182	TEXAS INSTRUMENTS	74LS	OR Gate	4.75V ~ 5.25V	400µA, 8mA		2	4	22ns @ 5V, 15pF	IC GATE OR 4CH 2-INP 14DIP	0.8V	2V	0°C ~ 70°C		Catalog
質量保證 A-3	来自供应商的订	SN74LS32N TEXAS INSTRUMENTS	16		16pcs ～ $0.592 160pcs ～ $0.352 800pcs ～ $0.295 1,600pcs ～ $0.274 8,000pcs ～ $0.258 16,000pcs ～ $0.25 > 继续查看	MOQ : 16 SPQ : 1	Approx. 7 days	核友型号：st66657475	TEXAS INSTRUMENTS	74LS	OR Gate	4.75V ~ 5.25V	400µA, 8mA		2	4	22ns @ 5V, 15pF	IC GATE OR 4CH 2-INP 14DIP	0.8V	2V	0°C ~ 70°C		Catalog
質量保證 A-3	来自供应商的订	SN74LS365AN TEXAS INSTRUMENTS	486		10pcs ～ $0.989 100pcs ～ $0.528 500pcs ～ $0.47 1,000pcs ～ $0.432 5,000pcs ～ $0.424 10,000pcs ～ $0.418 > 继续查看	MOQ : 10 SPQ : 1	Approx. 9 days	核友型号：st71439145	Texas Instruments	LS	Buffers/Non-inverting	1		3-State	4.75V ~ 5.25V	2.6mA/24mA		6	0°C ~ 70°C(TA)	Catalog		Through Hole	16-PDIP
質量保證 A-3	来自供应商的订	SN74LS368AN TEXAS INSTRUMENTS	100		10pcs ～ $1.129 100pcs ～ $0.668 500pcs ～ $0.61 1,000pcs ～ $0.572 5,000pcs ～ $0.564 10,000pcs ～ $0.559 > 继续查看	MOQ : 10 SPQ : 1	Approx. 9 days	核友型号：st71439146	Texas Instruments	LS	Buffers/Inverting	2		3-State	4.75V ~ 5.25V	2.6mA/24mA		2/4 (Hexagonal)	0°C ~ 70°C(TA)	Catalog		Through Hole	16-PDIP
質量保證 A-3	来自供应商的订	SN74LS373N TEXAS INSTRUMENTS	22		22pcs ～ $0.643 220pcs ～ $0.499 1,100pcs ～ $0.442 2,200pcs ～ $0.412 11,000pcs ～ $0.405 22,000pcs ～ $0.397 > 继续查看	MOQ : 22 SPQ : 1	Approx. 7 days	核友型号：st65570191	Texas Instruments	74LS	3-State	D-Type Transparent Latch	4.75 V ~ 5.25 V	2.6 mA/24 mA	12ns	8:08	1	0°C ~ +70°C			Through Hole	20-DIP(0.300"/7.62mm)
質量保證 A-3	来自供应商的订	SN74LS373N TEXAS INSTRUMENTS	2,174		10pcs ～ $1.111 100pcs ～ $0.649 500pcs ～ $0.592 1,000pcs ～ $0.553 5,000pcs ～ $0.546 10,000pcs ～ $0.54 > 继续查看	MOQ : 10 SPQ : 1	Approx. 9 days	核友型号：st71439147	Texas Instruments	74LS	3-State	D-Type Transparent Latch	4.75 V ~ 5.25 V	2.6 mA/24 mA	12ns	8:08	1	0°C ~ +70°C			Through Hole	20-DIP(0.300"/7.62mm)
質量保證 A-3	来自供应商的订	SN74LS374N TEXAS INSTRUMENTS	2,291		10pcs ～ $1.298 100pcs ～ $0.837 500pcs ～ $0.779 1,000pcs ～ $0.741 5,000pcs ～ $0.733 10,000pcs ～ $0.727 > 继续查看	MOQ : 10 SPQ : 1	Approx. 9 days	核友型号：st71439148	Texas Instruments	74LS	D-Type	Positive Edge	3-State/Non-Inverting	4.75 V ~ 5.25 V	2.6 mA/24 mA	40 mA		50 MHz	28ns @ 5V/45pF	8	1	Standard	0°C ~ +70°C(TA)
質量保證 A-3	来自供应商的订	SN74LS375N TEXAS INSTRUMENTS	84		84pcs ～ $0.499 840pcs ～ $0.488 4,200pcs ～ $0.451 8,400pcs ～ $0.443 42,000pcs ～ $0.439 84,000pcs ～ $0.438 > 继续查看	MOQ : 84 SPQ : 1	Approx. 7 days	核友型号：st65570194	Texas Instruments	74LS	Differential	D-Type Transparent Latch	4.75 V ~ 5.25 V	400μ A/8 mA	12ns	1:01	4	0°C ~ +70°C			Through Hole	16-DIP(0.300"/7.62mm)
質量保證 A-3	来自供应商的订	SN74LS375N TEXAS INSTRUMENTS	1,820		1pcs ～ $2.819 10pcs ～ $1.598 50pcs ～ $1.213 100pcs ～ $1.137 500pcs ～ $1.079 1,000pcs ～ $1.04 > 继续查看	MOQ : 1 SPQ : 1	Approx. 9 days	核友型号：st71439149	Texas Instruments	74LS	Differential	D-Type Transparent Latch	4.75 V ~ 5.25 V	400μ A/8 mA	12ns	1:01	4	0°C ~ +70°C			Through Hole	16-DIP(0.300"/7.62mm)
質量保證 A-3	来自供应商的订	SN74LS37N TEXAS INSTRUMENTS	678		10pcs ～ $0.853 100pcs ～ $0.425 500pcs ～ $0.367 1,000pcs ～ $0.328 5,000pcs ～ $0.321 10,000pcs ～ $0.315 > 继续查看	MOQ : 10 SPQ : 1	Approx. 9 days	核友型号：st71439183	TEXAS INSTRUMENTS	74LS	NAND Gate	4.75V ~ 5.25V	1.2mA, 24mA		2	4	24ns @ 5V, 45pF	IC GATE NAND 4CH 2-INP 14DIP	0.8V	2V	0°C ~ 70°C		Catalog
質量保證 A-3	来自供应商的订	SN74LS38N TEXAS INSTRUMENTS	511		10pcs ～ $1.167 100pcs ～ $0.706 500pcs ～ $0.648 1,000pcs ～ $0.609 5,000pcs ～ $0.602 10,000pcs ～ $0.596 > 继续查看	MOQ : 10 SPQ : 1	Approx. 9 days	核友型号：st71439184	TEXAS INSTRUMENTS	LS	NAND Gate				2	4					0°C ~ 70°C		Catalog
質量保證 A-3	来自供应商的订	SN74LS38N TEXAS INSTRUMENTS	95		95pcs ～ $0.253 950pcs ～ $0.25 4,750pcs ～ $0.212 9,500pcs ～ $0.204 47,500pcs ～ $0.199 95,000pcs ～ $0.199 > 继续查看	MOQ : 95 SPQ : 1	Approx. 7 days	核友型号：st65570175	TEXAS INSTRUMENTS	LS	NAND Gate				2	4					0°C ~ 70°C		Catalog
質量保證 A-3	来自供应商的订	SN74LS390N TEXAS INSTRUMENTS	1,949		1pcs ～ $3.336 10pcs ～ $1.785 50pcs ～ $1.401 100pcs ～ $1.324 500pcs ～ $1.266 1,000pcs ～ $1.228 > 继续查看	MOQ : 1 SPQ : 1	Approx. 9 days	核友型号：st71439150	Texas Instruments	74LS	Negative Edge	Counter/Decimal	4.75 V ~ 5.25 V	35 MHz		Asynchronous	IC DECADE COUNTER DL 4BIT 16DIP	Up	4	2	0°C ~ 70°C
質量保證 A-3	来自供应商的订	SN74LS390NSR TEXAS INSTRUMENTS	2,829		455pcs ～ $0.417 4,550pcs ～ $0.416 22,750pcs ～ $0.41 45,500pcs ～ $0.406 227,500pcs ～ $0.405 455,000pcs ～ $0.404 > 继续查看	MOQ : 455 SPQ : 1	Approx. 7 days	核友型号：st65570206	Texas Instruments	74LS	Negative Edge	Counter/Decimal	4.75 V ~ 5.25 V	35 MHz		Asynchronous	IC DECADE COUNTER DL 4BIT 16SO	Up	4	2	0°C ~ 70°C
質量保證 A-3	来自供应商的订	SN74LS393N TEXAS INSTRUMENTS	256		10pcs ～ $1.026 100pcs ～ $0.565 500pcs ～ $0.507 1,000pcs ～ $0.469 5,000pcs ～ $0.461 10,000pcs ～ $0.455 > 继续查看	MOQ : 10 SPQ : 1	Approx. 9 days	核友型号：st71439151	Texas Instruments	74LS	Negative Edge	Binary Counter	4.75 V ~ 5.25 V	35 MHz		Asynchronous	IC BINARY COUNTER DL 4BIT 14DIP	Up	4	2	0°C ~ 70°C
質量保證 A-3	来自供应商的订	SN74LS423N TEXAS INSTRUMENTS	128		1pcs ～ $6.671 10pcs ～ $3.57 50pcs ～ $2.994 100pcs ～ $2.609 500pcs ～ $2.533 1,000pcs ～ $2.475 > 继续查看	MOQ : 1 SPQ : 1	Approx. 9 days	核友型号：st71439152	Texas Instruments	LS	Monostable	4.75 V ~ 5.25 V	400 μA/8 mA	No	2	28 ns		0°C ~ +70°C	Standard		Through Hole	16-DIP(0.300"/7.62mm)
質量保證 A-3	来自供应商的订	SN74LS42N TEXAS INSTRUMENTS	47		10pcs ～ $0.942 100pcs ～ $0.481 500pcs ～ $0.423 1,000pcs ～ $0.385 5,000pcs ～ $0.377 10,000pcs ～ $0.371 > 继续查看	MOQ : 10 SPQ : 1	Approx. 9 days	核友型号：st71439185	Texas Instruments	LS	Decoders/Demultiplexers	4.75V ~ 5.25V	400μA/8mA	Single Supply	1 x 4：10	1		0°C ~ 70°C	Standard		Through Hole	16-PDIP
質量保證 A-3	来自供应商的订	SN74LS541N TEXAS INSTRUMENTS	581		10pcs ～ $1.27 100pcs ～ $0.809 500pcs ～ $0.751 1,000pcs ～ $0.713 5,000pcs ～ $0.705 10,000pcs ～ $0.699 > 继续查看	MOQ : 10 SPQ : 1	Approx. 9 days	核友型号：st71439153	Texas Instruments	LS	Bipolar Buffers Non-inverting	1			4.75 ~ 5.25V			8	0°C ~ 70	Catalog		Through Hole	DIP 20pin
質量保證 A-3	来自供应商的订	SN74LS641-1N TEXAS INSTRUMENTS	210		187pcs ～ $1.014 1,870pcs ～ $1.002 9,350pcs ～ $0.995 18,700pcs ～ $0.989 93,500pcs ～ $0.986 187,000pcs ～ $0.984 > 继续查看	MOQ : 187 SPQ : 1	Approx. 7 days	核友型号：st65570202	Texas Instruments	LS	Transceivers/Non-inverting	1		Open Collector	4.75V ~ 5.25V	-/48mA		8	0°C ~ 70°C(TA)	Catalog		Through Hole	20-PDIP
質量保證 A-3	来自供应商的订	SN74LS243ADR TEXAS INSTRUMENTS	2,500	95			Approx. 8 days	核友型号：st62441719	Texas Instruments
質量保證 A-3	来自供应商的订	SN74LS245DWR TEXAS INSTRUMENTS	130	0			Approx. 8 days	核友型号：st62441720	Texas Instruments	LS	Transceivers/Non-inverting	1		3-State	4.75V ~ 5.25V	15mA/24mA		8	0°C ~ 70°C(TA)	Catalog		Surface Mount	20-SOIC
質量保證 A-3	来自供应商的订	SN74LS257BN TEXAS INSTRUMENTS	775	1			Approx. 8 days	核友型号：st62441722	Texas Instruments	LS	Multiplexers	4.75V ~ 5.25V	2.6mA/24mA	Single Supply	4 x 2：1	1		0°C ~ 70°C	Standard		Through Hole	16-PDIP
質量保證 A-3	来自供应商的订	SN74LS258BN TEXAS INSTRUMENTS	48	89			Approx. 8 days	核友型号：st62441724	Texas Instruments	LS	Multiplexers	4.75V ~ 5.25V	2.6mA/24mA	Single Supply	4 x 2：1	1		0°C ~ 70°C	Standard		Through Hole	16-PDIP
質量保證 A-3	来自供应商的订	SN74LS266D TEXAS INSTRUMENTS	99	10			Approx. 8 days	核友型号：st62441725	TEXAS INSTRUMENTS	74LS	XNOR (Exclusive NOR)	4.75V ~ 5.25V	-, 8mA	13mA	2	4	30ns @ 5V, 15pF		0.8V	2V	0°C ~ 70°C	Open Collector	Catalog
質量保證 A-3	来自供应商的订	SN74LS27NE4 TEXAS INSTRUMENTS	850	819			Approx. 8 days	核友型号：st62441730	TEXAS INSTRUMENTS	LS	NOR Gate				4.75	3					0°C ~ 70°C		Catalog
質量保證 A-3	来自供应商的订	SN74LS280NE4 TEXAS INSTRUMENTS	625	8			Approx. 8 days	核友型号：st62441731	Texas Instruments
質量保證 A-3	来自供应商的订	SN74LS283D TEXAS INSTRUMENTS	80	1423			Approx. 8 days	核友型号：st68259846	Texas Instruments		Binary Full Adder with First Carry	4.75V ~ 5.25V		4			0°C ~ 70°C			Surface Mount	16-SOIC
質量保證 A-3	来自供应商的订	SN74LS283N TEXAS INSTRUMENTS	50	17			Approx. 8 days	核友型号：st62441732	Texas Instruments	74LS	Binary Full Adder with First Carry	4.75V ~ 5.25V		4			0°C ~ 70°C			Through Hole	16-PDIP
質量保證 A-3	来自供应商的订	SN74LS298D TEXAS INSTRUMENTS	320	88			Approx. 8 days	核友型号：st62441735	Texas Instruments	LS	Multiplexers	4.75V ~ 5.25V	400μA/8mA	Single Supply	4 x 2：1	1		0°C ~ 70°C	Standard		Surface Mount	16-SOIC
質量保證 A-3	来自供应商的订	SN74LS31N TEXAS INSTRUMENTS	825	0			Approx. 8 days	核友型号：st62441737	Texas Instruments	LS	Bipolar Buffers Non-inverting	6			4.75 ~ 5.25V				0°C ~ 70	Catalog
質量保證 A-3	来自供应商的订	SN74LS32DR TEXAS INSTRUMENTS	608	1123			Approx. 8 days	核友型号：st62441739	TEXAS INSTRUMENTS	74LS	OR Gate	4.75V ~ 5.25V	400µA, 8mA		2	4	22ns @ 5V, 15pF	IC GATE OR 4CH 2-INP 14SOIC	0.8V	2V	0°C ~ 70°C		Catalog
質量保證 A-3	来自供应商的订	SN74LS32N TEXAS INSTRUMENTS	250	20			Approx. 8 days	核友型号：st76758174	TEXAS INSTRUMENTS	74LS	OR Gate	4.75V ~ 5.25V	400µA, 8mA		2	4	22ns @ 5V, 15pF	IC GATE OR 4CH 2-INP 14DIP	0.8V	2V	0°C ~ 70°C		Catalog
質量保證 A-3	来自供应商的订	SN74LS365AN TEXAS INSTRUMENTS	541	710			Approx. 8 days	核友型号：st62441741	Texas Instruments	LS	Buffers/Non-inverting	1		3-State	4.75V ~ 5.25V	2.6mA/24mA		6	0°C ~ 70°C(TA)	Catalog		Through Hole	16-PDIP
質量保證 A-3	来自供应商的订	SN74LS368AD TEXAS INSTRUMENTS	80	1701			Approx. 8 days	核友型号：st68259847	Texas Instruments	LS	Buffers/Inverting	2		3-State	4.75V ~ 5.25V	2.6mA/24mA		2/4 (Hexagonal)	0°C ~ 70°C(TA)	Catalog		Surface Mount	16-SOIC
質量保證 A-3	来自供应商的订	SN74LS373DW TEXAS INSTRUMENTS	525	91			Approx. 8 days	核友型号：st62441746	Texas Instruments	LS	3-State	D-Type Transparent Latch	4.75 V ~ 5.25 V	2.6 mA/24 mA	12ns	8:08	1	0°C ~ +70°C	Standard		Surface Mount	20-SOIC
質量保證 A-3	来自供应商的订	SN74LS374DBR TEXAS INSTRUMENTS	1,428	1023			Approx. 8 days	核友型号：st62441749	Texas Instruments	LS	D-Type	Positive Edge	3-State/Non-Inverting	4.75 V ~ 5.25 V	2.6 mA/24 mA	40 mA		50 MHz	28ns @ 5V/45pF	8	1	Standard	0°C ~ +70°C(TA)
質量保證 A-3	来自供应商的订	SN74LS375D TEXAS INSTRUMENTS	160	944			Approx. 8 days	核友型号：st68259848	Texas Instruments	LS	Differential	D-Type Transparent Latch	4.75 V ~ 5.25 V	400μ A/8 mA	12ns	1:01	4	0°C ~ +70°C	Standard		Surface Mount	16-SOIC
質量保證 A-3	来自供应商的订	SN74LS375N TEXAS INSTRUMENTS	1,000	91			Approx. 8 days	核友型号：st62441750	Texas Instruments	74LS	Differential	D-Type Transparent Latch	4.75 V ~ 5.25 V	400μ A/8 mA	12ns	1:01	4	0°C ~ +70°C			Through Hole	16-DIP(0.300"/7.62mm)
質量保證 A-3	来自供应商的订	SN74LS393N TEXAS INSTRUMENTS	100	15			Approx. 8 days	核友型号：st62441753	Texas Instruments	74LS	Negative Edge	Binary Counter	4.75 V ~ 5.25 V	35 MHz		Asynchronous	IC BINARY COUNTER DL 4BIT 14DIP	Up	4	2	0°C ~ 70°C
質量保證 A-3	来自供应商的订	SN74LS51N TEXAS INSTRUMENTS	900	93			Approx. 8 days	核友型号：st62441755	TEXAS INSTRUMENTS	LS	Combination Gate				3	2					0°C ~ 70°C		Catalog
質量保證 A-3	来自供应商的订	SN74LS51NE4 TEXAS INSTRUMENTS	974	7			Approx. 8 days	核友型号：st62441756	TEXAS INSTRUMENTS	LS	Combination Gate				3	2					0°C ~ 70°C		Catalog
質量保證 A-3	来自供应商的订	SN74LS590N TEXAS INSTRUMENTS	125	93			Approx. 8 days	核友型号：st62441759	Texas Instruments	74LS	Positive Edge	Binary Counter	4.75 V ~ 5.25 V	35 MHz		Asynchronous	IC BINARY COUNTER 8-BIT 16DIP	Up	8	1	0°C ~ 70°C
質量保證 A-3	来自供应商的订	SN74LS640N TEXAS INSTRUMENTS	120	7			Approx. 8 days	核友型号：st62441763	Texas Instruments	LS	Transceivers/Inverting	1		3-State	4.75V ~ 5.25V	15mA/24mA		8	0°C ~ 70°C(TA)	Catalog		Through Hole	20-PDIP