Datasheet Texas Instruments SN74HCT257 — 数据表

制造商	Texas Instruments
系列	SN74HCT257

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

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PDF, 451 Kb, 修订版: D, 档案已发布: Sep 15, 2003

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价格

状态

	SN74HCT257D	SN74HCT257DG4	SN74HCT257DR	SN74HCT257DRE4	SN74HCT257DT	SN74HCT257N
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)
Manufacture's Sample Availability	No	No	No	No	No	No

打包

	SN74HCT257D	SN74HCT257DG4	SN74HCT257DR	SN74HCT257DRE4	SN74HCT257DT	SN74HCT257N
N	1	2	3	4	5	6
Pin	16	16	16	16	16	16
Package Type	D	D	D	D	D	N
Industry STD Term	SOIC	SOIC	SOIC	SOIC	SOIC	PDIP
JEDEC Code	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDIP-T
Package QTY	40	40	2500	2500	250	25
Carrier	TUBE	TUBE	LARGE T&R	LARGE T&R	SMALL T&R	TUBE
Device Marking	HCT257	HCT257	HCT257	HCT257	HCT257	SN74HCT257N
Width (mm)	3.91	3.91	3.91	3.91	3.91	6.35
Length (mm)	9.9	9.9	9.9	9.9	9.9	19.3
Thickness (mm)	1.58	1.58	1.58	1.58	1.58	3.9
Pitch (mm)	1.27	1.27	1.27	1.27	1.27	2.54
Max Height (mm)	1.75	1.75	1.75	1.75	1.75	5.08
Mechanical Data	下载	下载	下载	下载	下载	下载

参数化

Parameters / Models	SN74HCT257D	SN74HCT257DG4	SN74HCT257DR	SN74HCT257DRE4	SN74HCT257DT	SN74HCT257N
Approx. Price (US$)					0.14 \| 1ku
Bandwidth, MHz	28	28	28	28		28
Bandwidth(MHz)					28
Bits	2	2	2	2		2
Bits(#)					2
Number of Channels	4	4	4	4		4
Channels(#)					4
Configuration	2:1	2:1	2:1	2:1	2:1	2:1
Digital input leakage(Max), uA	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
ESD Charged Device Model(kV)					0.75
ESD HBM, kV	2	2	2	2		2
ESD HBM(kV)					2
F @ Nom Voltage(Max), Mhz	25	25	25	25		25
F @ Nom Voltage(Max)(Mhz)					25
Function	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
ICC @ Nom Voltage(Max)(mA)					0.08
Operating Temperature Range, C	-40 to 85	-40 to 85	-40 to 85	-40 to 85		-40 to 85
Operating Temperature Range(C)					-40 to 85
Output Drive (IOL/IOH)(Max), mA	6/-6	6/-6	6/-6	6/-6		6/-6
Output Drive (IOL/IOH)(Max)(mA)					6/-6
Package Group	SOIC	SOIC	SOIC	SOIC	SOIC	PDIP
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)		See datasheet (PDIP)
Package Size: mm2:W x L (PKG)					See datasheet (PDIP)
Rating	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog
Schmitt Trigger	No	No	No	No	No	No
Technology Family	HCT	HCT	HCT	HCT	HCT	HCT
Type	3-State Output	3-State Output	3-State Output	3-State Output	3-State Output	3-State Output
VCC(Max), V	5.5	5.5	5.5	5.5		5.5
VCC(Max)(V)					5.5
VCC(Min), V	4.5	4.5	4.5	4.5		4.5
VCC(Min)(V)					4.5
Voltage(Nom), V	5	5	5	5		5
Voltage(Nom)(V)					5
tpd @ Nom Voltage(Max), ns	38	38	38	38		38
tpd @ Nom Voltage(Max)(ns)					38

生态计划

	SN74HCT257D	SN74HCT257DG4	SN74HCT257DR	SN74HCT257DRE4	SN74HCT257DT	SN74HCT257N
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant
Pb Free	Yes	Yes

模型线

系列: SN74HCT257 (6)

SN74HCT257D SN74HCT257DG4 SN74HCT257DR SN74HCT257DRE4 SN74HCT257DT SN74HCT257N

制造商分类

Semiconductors> Switches and Multiplexers> Buffered Encoders and Decoders