Datasheet Texas Instruments SN74HC257 — 数据表

制造商	Texas Instruments
系列	SN74HC257

具有三态输出的四路2线至1线数据选择器/多路复用器

数据表

下载

PDF, 1.1 Mb, 修订版: B, 档案已发布: Sep 15, 2003

从文件中提取

价格

状态

	SN74HC257D	SN74HC257DG4	SN74HC257DR	SN74HC257DRE4	SN74HC257DRG4	SN74HC257DT	SN74HC257N	SN74HC257NE4	SN74HC257NSR	SN74HC257PW	SN74HC257PWLE	SN74HC257PWR	SN74HC257PWRG4	SN74HC257PWT
Lifecycle Status	Active (Recommended for new designs)	Active (Recommended for new designs)	Active (Recommended for new designs)	Active (Recommended for new designs)	Active (Recommended for new designs)	Active (Recommended for new designs)	Active (Recommended for new designs)	Active (Recommended for new designs)	Active (Recommended for new designs)	Active (Recommended for new designs)	Obsolete (Manufacturer has discontinued the production of the device)	Active (Recommended for new designs)	Active (Recommended for new designs)	Active (Recommended for new designs)
Manufacture's Sample Availability	No	No	No	No	No	No	No	No	No	No	No	No	No	No

打包

	SN74HC257D	SN74HC257DG4	SN74HC257DR	SN74HC257DRE4	SN74HC257DRG4	SN74HC257DT	SN74HC257N	SN74HC257NE4	SN74HC257NSR	SN74HC257PW	SN74HC257PWLE	SN74HC257PWR	SN74HC257PWRG4	SN74HC257PWT
N	1	2	3	4	5	6	7	8	9	10	11	12	13	14
Pin	16	16	16	16	16	16	16	16	16	16	16	16	16	16
Package Type	D	D	D	D	D	D	N	N	NS	PW	PW	PW	PW	PW
Industry STD Term	SOIC	SOIC	SOIC	SOIC	SOIC	SOIC	PDIP	PDIP	SOP	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP
JEDEC Code	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDIP-T	R-PDIP-T	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G
Package QTY	40	40	2500	2500	2500	250	25	25	2000	90		2000	2000	250
Carrier	TUBE	TUBE	LARGE T&R	LARGE T&R	LARGE T&R	SMALL T&R	TUBE	TUBE	LARGE T&R	TUBE		LARGE T&R	LARGE T&R	SMALL T&R
Device Marking	HC257	HC257	HC257	HC257	HC257	HC257	SN74HC257N	SN74HC257N	HC257	HC257		HC257	HC257	HC257
Width (mm)	3.91	3.91	3.91	3.91	3.91	3.91	6.35	6.35	5.3	4.4	4.4	4.4	4.4	4.4
Length (mm)	9.9	9.9	9.9	9.9	9.9	9.9	19.3	19.3	10.3	5	5	5	5	5
Thickness (mm)	1.58	1.58	1.58	1.58	1.58	1.58	3.9	3.9	1.95	1	1	1	1	1
Pitch (mm)	1.27	1.27	1.27	1.27	1.27	1.27	2.54	2.54	1.27	.65	.65	.65	.65	.65
Max Height (mm)	1.75	1.75	1.75	1.75	1.75	1.75	5.08	5.08	2	1.2	1.2	1.2	1.2	1.2
Mechanical Data	下载	下载	下载	下载	下载	下载	下载	下载	下载	下载	下载	下载	下载	下载

参数化

Parameters / Models	SN74HC257D	SN74HC257DG4	SN74HC257DR	SN74HC257DRE4	SN74HC257DRG4	SN74HC257DT	SN74HC257N	SN74HC257NE4	SN74HC257NSR	SN74HC257PW	SN74HC257PWLE	SN74HC257PWR	SN74HC257PWRG4	SN74HC257PWT
Approx. Price (US$)											0.14 \| 1ku			0.14 \| 1ku
Bandwidth, MHz	28	28	28	28	28	28	28	28	28	28		28	28
Bandwidth(MHz)														28
Bits	2	2	2	2	2	2	2	2	2	2		2	2
Bits(#)											2			2
Number of Channels	4	4	4	4	4	4	4	4	4	4		4	4
Channels(#)											4			4
Configuration	2:1	2:1	2:1	2:1	2:1	2:1	2:1	2:1	2:1	2:1	2:1	2:1	2:1	2:1
Digital input leakage(Max), uA	5	5	5	5	5	5	5	5	5	5		5	5
Digital input leakage(Max)(uA)														5
ESD Charged Device Model, kV	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75		0.75	0.75
ESD Charged Device Model(kV)														0.75
ESD HBM, kV	2	2	2	2	2	2	2	2	2	2		2	2
ESD HBM(kV)														2
F @ Nom Voltage(Max), Mhz	28	28	28	28	28	28	28	28	28	28		28	28
F @ Nom Voltage(Max)(Mhz)											28			28
Function	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer
ICC @ Nom Voltage(Max), mA	0.08	0.08	0.08	0.08	0.08	0.08	0.08	0.08	0.08	0.08		0.08	0.08
ICC @ Nom Voltage(Max)(mA)											0.08			0.08
Input Type											LVTTL/CMOS
Operating Temperature Range, C	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85		-40 to 85	-40 to 85
Operating Temperature Range(C)											-40 to 85			-40 to 85
Output Drive (IOL/IOH)(Max), mA	7.8/-7.8	7.8/-7.8	7.8/-7.8	7.8/-7.8	7.8/-7.8	7.8/-7.8	7.8/-7.8	7.8/-7.8	7.8/-7.8	7.8/-7.8		7.8/-7.8	7.8/-7.8
Output Drive (IOL/IOH)(Max)(mA)											7.8/-7.8			7.8/-7.8
Output Type											CMOS
Package Group	SOIC	SOIC	SOIC	SOIC	SOIC	SOIC	PDIP	PDIP	SO	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP
Package Size: mm2:W x L, PKG	16SOIC: 59 mm2: 6 x 9.9(SOIC)	16SOIC: 59 mm2: 6 x 9.9(SOIC)	16SOIC: 59 mm2: 6 x 9.9(SOIC)	16SOIC: 59 mm2: 6 x 9.9(SOIC)	16SOIC: 59 mm2: 6 x 9.9(SOIC)	16SOIC: 59 mm2: 6 x 9.9(SOIC)	See datasheet (PDIP)	See datasheet (PDIP)	16SO: 80 mm2: 7.8 x 10.2(SO)	16TSSOP: 32 mm2: 6.4 x 5(TSSOP)		16TSSOP: 32 mm2: 6.4 x 5(TSSOP)	16TSSOP: 32 mm2: 6.4 x 5(TSSOP)
Package Size: mm2:W x L (PKG)											See datasheet (PDIP)			See datasheet (PDIP)
Rating	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog
Schmitt Trigger	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Technology Family	HC	HC	HC	HC	HC	HC	HC	HC	HC	HC	HC	HC	HC	HC
Type	3-State Output	3-State Output	3-State Output	3-State Output	3-State Output	3-State Output	3-State Output	3-State Output	3-State Output	3-State Output	3-State Output	3-State Output	3-State Output	3-State Output
VCC(Max), V	6	6	6	6	6	6	6	6	6	6		6	6
VCC(Max)(V)											6			6
VCC(Min), V	2	2	2	2	2	2	2	2	2	2		2	2
VCC(Min)(V)											2			2
Voltage(Nom), V	3.3,5	3.3,5	3.3,5	3.3,5	3.3,5	3.3,5	3.3,5	3.3,5	3.3,5	3.3,5		3.3,5	3.3,5
Voltage(Nom)(V)											3.3 5			3.3 5
tpd @ Nom Voltage(Max), ns	25	25	25	25	25	25	25	25	25	25		25	25
tpd @ Nom Voltage(Max)(ns)											25			25

生态计划

	SN74HC257D	SN74HC257DG4	SN74HC257DR	SN74HC257DRE4	SN74HC257DRG4	SN74HC257DT	SN74HC257N	SN74HC257NE4	SN74HC257NSR	SN74HC257PW	SN74HC257PWLE	SN74HC257PWR	SN74HC257PWRG4	SN74HC257PWT
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Not Compliant	Compliant	Compliant	Compliant
Pb Free	Yes	Yes	No	Yes

模型线

系列: SN74HC257 (14)

SN74HC257D SN74HC257DG4 SN74HC257DR SN74HC257DRE4 SN74HC257DRG4 SN74HC257DT SN74HC257N SN74HC257NE4 SN74HC257NSR SN74HC257PW SN74HC257PWLE SN74HC257PWR SN74HC257PWRG4 SN74HC257PWT

制造商分类

Semiconductors> Switches and Multiplexers> Buffered Encoders and Decoders