74HCT251PW

8-input multiplexer; 3-state

The 74HC251; 74HCT251 is an 8-bit multiplexer with eight binary inputs (I0 to I7), three select inputs (S0 to S2) and an output enable input (OE). The select inputs select one of the eight binary inputs and route it to the complementary outputs (Y and Y). A HIGH on OE causes the outputs to assume a high-impedance OFF-state. Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of V_CC.

Alternatives

74HCT251PW-Q100

Automotive qualified

8-input multiplexer; 3-state

Buy from Nexperia

SKU	Stock*	MOQ	Price per unit**	Quantity

Buy from distributors

Seller	SKU	Stock	MOQ		1	10	100	1,000	10,000	Purchase

Seller	SKU	Stock	MOQ		1	10	100	1,000	10,000	Purchase

Seller	SKU	Stock	MOQ		1	10	100	1,000	10,000	Purchase

Seller	SKU	Stock	MOQ		1	10	100	1,000	10,000	Purchase

Seller	SKU	Stock	MOQ		1	10	100	1,000	10,000	Purchase

* Stock values are subject to change
** Displayed price per unit is based on small quantity orders
*** Authorized resellers for overstock, mature, and discontinued products which are warranted for reliability by the reseller, no longer by Nexperia

Features and benefits

Wide supply voltage range from 2.0 V to 6.0 V
CMOS low power dissipation
High noise immunity
Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
Complies with JEDEC standards:
- JESD8C (2.7 V to 3.6 V)
- JESD7A (2.0 V to 6.0 V)
Input levels:
- For 74HC251: CMOS level
- For 74HCT251: TTL level
Non-inverting data path
ESD protection:
- HBM JESD22-A114F exceeds 2000 V
- MM JESD22-A115-A exceeds 200 V
Specified from -40 °C to +85 °C and from -40 °C to +125 °C

Parametrics

Type number	Product status	V_CC (V)	Logic switching levels	Output drive capability (mA)	t_pd (ns)	Power dissipation considerations	T_amb (°C)	R_th(j-a) (K/W)	Ψ_th(j-top) (K/W)	R_th(j-c) (K/W)	Package name
74HCT251PW	Production	4.5 - 5.5	TTL	± 4	22	low	-40~125	114	2.0	41.9	TSSOP16

Package

Type number	Orderable part number, (Ordering code (12NC))	Status	Marking	Package	Package information	Reflow-/Wave soldering	Packing
74HCT251PW	74HCT251PW,118 ( 9351 883 80118 )	Active	HCT251	TSSOP16 (SOT403-1)	SOT403-1	SSOP-TSSOP-VSO-WAVE	Reel 13" Q1/T1

Environmental information

Type number	Orderable part number	Chemical content	RoHS	RHF-indicator
74HCT251PW	74HCT251PW,118	74HCT251PW

Quality and reliability disclaimer

Series

74HC251; 74HCT251 - 8-input multiplexer; 3-state

Documentation (5)

File name	Title	Type	Date
74HC_HCT251	8-input multiplexer; 3-state	Data sheet	2021-02-08
AN11044	Pin FMEA 74HC/74HCT family	Application note	2019-01-09
74HCT251PW_Nexperia_Product_Reliability	74HCT251PW Nexperia Product Reliability	Quality document	2022-05-04
HCT_USER_GUIDE	HC/T User Guide	User manual	1997-10-31
SSOP-TSSOP-VSO-WAVE	Footprint for wave soldering	Wave soldering	2009-10-08

Support

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Ordering, pricing & availability

Type number	Orderable part number	Ordering code (12NC)	Packing	Packing quantity	Buy online
74HCT251PW	74HCT251PW,118	935188380118	Reel 13" Q1/T1	-	Order product

Sample

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