Datasheet Texas Instruments SN74HC251

Manufacturer	Texas Instruments
Series	SN74HC251

Data Selectors/Multiplexers With 3-State Outputs

Datasheets

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PDF, 1.1 Mb, Revision: E, File published: Sep 26, 2003

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Status

	SN74HC251D	SN74HC251DBR	SN74HC251DE4	SN74HC251DG4	SN74HC251DR	SN74HC251DRE4	SN74HC251DRG4	SN74HC251DT	SN74HC251N	SN74HC251NSR	SN74HC251PW	SN74HC251PWG4	SN74HC251PWR	SN74HC251PWRG4	SN74HC251PWT
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)	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	Yes	No	No	No	No	No	No	No	No	Yes	No	No	No

Packaging

	SN74HC251D	SN74HC251DBR	SN74HC251DE4	SN74HC251DG4	SN74HC251DR	SN74HC251DRE4	SN74HC251DRG4	SN74HC251DT	SN74HC251N	SN74HC251NSR	SN74HC251PW	SN74HC251PWG4	SN74HC251PWR	SN74HC251PWRG4	SN74HC251PWT
N	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
Pin	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16
Package Type	D	DB	D	D	D	D	D	D	N	NS	PW	PW	PW	PW	PW
Industry STD Term	SOIC	SSOP	SOIC	SOIC	SOIC	SOIC	SOIC	SOIC	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-PDSO-G	R-PDSO-G	R-PDIP-T	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G
Package QTY	40	2000	40	40	2500	2500	2500	250	25	2000	90	90	2000	2000	250
Carrier	TUBE	LARGE T&R	TUBE	TUBE	LARGE T&R	LARGE T&R	LARGE T&R	SMALL T&R	TUBE	LARGE T&R	TUBE	TUBE	LARGE T&R	LARGE T&R	SMALL T&R
Device Marking	HC251	HC251	HC251	HC251	HC251	HC251	HC251	HC251	SN74HC251N	HC251	HC251	HC251	HC251	HC251	HC251
Width (mm)	3.91	5.3	3.91	3.91	3.91	3.91	3.91	3.91	6.35	5.3	4.4	4.4	4.4	4.4	4.4
Length (mm)	9.9	6.2	9.9	9.9	9.9	9.9	9.9	9.9	19.3	10.3	5	5	5	5	5
Thickness (mm)	1.58	1.95	1.58	1.58	1.58	1.58	1.58	1.58	3.9	1.95	1	1	1	1	1
Pitch (mm)	1.27	.65	1.27	1.27	1.27	1.27	1.27	1.27	2.54	1.27	.65	.65	.65	.65	.65
Max Height (mm)	1.75	2	1.75	1.75	1.75	1.75	1.75	1.75	5.08	2	1.2	1.2	1.2	1.2	1.2
Mechanical Data	Download	Download	Download	Download	Download	Download	Download	Download	Download	Download	Download	Download	Download	Download	Download

Parametrics

Parameters / Models	SN74HC251D	SN74HC251DBR	SN74HC251DE4	SN74HC251DG4	SN74HC251DR	SN74HC251DRE4	SN74HC251DRG4	SN74HC251DT	SN74HC251N	SN74HC251NSR	SN74HC251PW	SN74HC251PWG4	SN74HC251PWR	SN74HC251PWRG4	SN74HC251PWT
Bandwidth, MHz	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28
Bits	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8
Number of Channels	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Configuration	8:1	8:1	8:1	8:1	8:1	8:1	8:1	8:1	8:1	8:1	8:1	8:1	8:1	8:1	8:1
Digital input leakage(Max), uA	5	5	5	5	5	5	5	5	5	5	5	5	5	5	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	0.75	0.75	0.75
ESD HBM, kV	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2
F @ Nom Voltage(Max), Mhz	28	28	28	28	28	28	28	28	28	28	28	28	28	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	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	0.08	0.08	0.08
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	-40 to 85	-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	7.8/-7.8	7.8/-7.8	7.8/-7.8
Package Group	SOIC	SSOP	SOIC	SOIC	SOIC	SOIC	SOIC	SOIC	PDIP	SO	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP
Package Size: mm2:W x L, PKG	16SOIC: 59 mm2: 6 x 9.9(SOIC)	16SSOP: 48 mm2: 7.8 x 6.2(SSOP)	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)	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)	16TSSOP: 32 mm2: 6.4 x 5(TSSOP)	16TSSOP: 32 mm2: 6.4 x 5(TSSOP)
Rating	Catalog	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	No
Technology Family	HC	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	3-State Output
VCC(Max), V	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
VCC(Min), V	2	2	2	2	2	2	2	2	2	2	2	2	2	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	3.3,5	3.3,5	3.3,5
tpd @ Nom Voltage(Max), ns	51	51	51	51	51	51	51	51	51	51	51	51	51	51	51

Eco Plan

	SN74HC251D	SN74HC251DBR	SN74HC251DE4	SN74HC251DG4	SN74HC251DR	SN74HC251DRE4	SN74HC251DRG4	SN74HC251DT	SN74HC251N	SN74HC251NSR	SN74HC251PW	SN74HC251PWG4	SN74HC251PWR	SN74HC251PWRG4	SN74HC251PWT
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant
Pb Free	Yes

Model Line

Series: SN74HC251 (15)

SN74HC251D SN74HC251DBR SN74HC251DE4 SN74HC251DG4 SN74HC251DR SN74HC251DRE4 SN74HC251DRG4 SN74HC251DT SN74HC251N SN74HC251NSR SN74HC251PW SN74HC251PWG4 SN74HC251PWR SN74HC251PWRG4 SN74HC251PWT

Manufacturer's Classification

Semiconductors> Switches and Multiplexers> Buffered Encoders and Decoders