Datasheet Texas Instruments SN74F257 — Datenblatt

Hersteller	Texas Instruments
Serie	SN74F257

Vierfache 2-Zeilen- bis 1-Zeilen-Datenauswahl / Multiplexer mit 3-Zustands-Ausgängen

Datenblätter

PDF, 83 Kb, Revision: A, Datei veröffentlicht: Oct 1, 1993

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	SN74F257D	SN74F257DG4	SN74F257DR	SN74F257DRG4	SN74F257N	SN74F257NE4	SN74F257NSR
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)
Manufacture's Sample Availability	No	No	No	No	No	No	No

	SN74F257D	SN74F257DG4	SN74F257DR	SN74F257DRG4	SN74F257N	SN74F257NE4	SN74F257NSR
N	1	2	3	4	5	6	7
Pin	16	16	16	16	16	16	16
Package Type	D	D	D	D	N	N	NS
Industry STD Term	SOIC	SOIC	SOIC	SOIC	PDIP	PDIP	SOP
JEDEC Code	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDIP-T	R-PDIP-T	R-PDSO-G
Package QTY	40	40	2500	2500	25	25	2000
Carrier	TUBE	TUBE	LARGE T&R	LARGE T&R	TUBE	TUBE	LARGE T&R
Device Marking	F257	F257	F257	F257	SN74F257N	SN74F257N	74F257
Width (mm)	3.91	3.91	3.91	3.91	6.35	6.35	5.3
Length (mm)	9.9	9.9	9.9	9.9	19.3	19.3	10.3
Thickness (mm)	1.58	1.58	1.58	1.58	3.9	3.9	1.95
Pitch (mm)	1.27	1.27	1.27	1.27	2.54	2.54	1.27
Max Height (mm)	1.75	1.75	1.75	1.75	5.08	5.08	2
Mechanical Data	Herunterladen	Herunterladen	Herunterladen	Herunterladen	Herunterladen	Herunterladen	Herunterladen

Parameters / Models	SN74F257D	SN74F257DG4	SN74F257DR	SN74F257DRG4	SN74F257N	SN74F257NE4	SN74F257NSR
Bandwidth, MHz	70	70	70	70	70	70	70
Bits	4	4	4	4	4	4	4
Number of Channels	4	4	4	4	4	4	4
Configuration	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
ESD Charged Device Model, kV	0.75	0.75	0.75	0.75	0.75	0.75	0.75
ESD HBM, kV	2	2	2	2	2	2	2
F @ Nom Voltage(Max), Mhz	70	70	70	70	70	70	70
Function	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer	Encoder/Multiplexer
ICC @ Nom Voltage(Max), mA	23	23	23	23	23	23	23
Operating Temperature Range, C	0 to 70	0 to 70	0 to 70	0 to 70	0 to 70	0 to 70	0 to 70
Output Drive (IOL/IOH)(Max), mA	24/-3	24/-3	24/-3	24/-3	24/-3	24/-3	24/-3
Package Group	SOIC	SOIC	SOIC	SOIC	PDIP	PDIP	SO
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)	See datasheet (PDIP)	16SO: 80 mm2: 7.8 x 10.2(SO)
Rating	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog
Schmitt Trigger	No	No	No	No	No	No	No
Technology Family	F	F	F	F	F	F	F
Type	3-State Output	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	5.5	5.5
VCC(Min), V	4.5	4.5	4.5	4.5	4.5	4.5	4.5
Voltage(Nom), V	5	5	5	5	5	5	5
tpd @ Nom Voltage(Max), ns	7	7	7	7	7	7	7

	SN74F257D	SN74F257DG4	SN74F257DR	SN74F257DRG4	SN74F257N	SN74F257NE4	SN74F257NSR
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant
Pb Free	Yes	Yes

Serie: SN74F257 (7)