74LVC245A; 74LVCH245A

Octal bus transceiver; 3-state

The 74LVC245A; 74LVCH245A is an 8-bit transceiver with 3-state outputs. The device features an output enable (OE) and send/receive (DIR) for direction control. A HIGH on OE causes the outputs to assume a high-impedance OFF-state. Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices as translators in mixed 3.3 V and 5 V environments.

Schmitt-trigger action at all inputs makes the circuit tolerant of slower input rise and fall times.

This device is fully specified for partial power down applications using I_OFF. The I_OFF circuitry disables the output, preventing the potentially damaging backflow current through the device when it is powered down.

Features and benefits

5 V tolerant inputs/outputs for interfacing with 5 V logic
Wide supply voltage range from 1.2 V to 3.6 V
CMOS low-power consumption
Direct interface with TTL levels
Overvoltage tolerant inputs to 5.5 V
Bus hold on all data inputs (74LVCH245A only)
I_OFF circuitry provides partial Power-down mode operation
Complies with JEDEC standard:
- JESD8-7A (1.65 V to 1.95 V)
- JESD8-5A (2.3 V to 2.7 V)
- JESD8-C/JESD36 (2.7 V to 3.6 V)
ESD protection:
- HBM JESD22-A114F exceeds 2000 V
- MM JESD22-A115B exceeds 200 V
- CDM JESD22-C101E exceeds 1000 V
Specified from -40 °C to +85 °C and -40 °C to +125 °C

Parametrics

Type number	Product status	V_CC(A) (V)	V_CC(B) (V)	Logic switching levels	t_pd (ns)	No of bits	f_max (MHz)	Power dissipation considerations	R_th(j-a) (K/W)	R_th(j-c) (K/W)	Package name
74LVC245ABQ	Production	1.2 - 3.6	n.a.	CMOS/LVTTL	2.9	8	175	low	77	48	DHVQFN20
74LVC245AD	Production	1.2 - 3.6	n.a.	CMOS/LVTTL	2.9	8	175	low	84	60	SO20
74LVC245ADB NRND	Not for design in										SSOP20
74LVC245APW	Production	1.2 - 3.6	n.a.	CMOS/LVTTL	2.9	8	175	low	100	44	TSSOP20
74LVCH245ABQ	Production	1.2 - 3.6	n.a.	CMOS/LVTTL	2.9	8	175	low	77	48	DHVQFN20
74LVCH245AD	Production	1.2 - 3.6	n.a.	CMOS/LVTTL	2.9	8	175	low	84	60	SO20
74LVCH245ADB NRND	Not for design in										SSOP20
74LVCH245APW	Production	1.2 - 3.6	n.a.	CMOS/LVTTL	2.9	8	175	low	100	44	TSSOP20

Package

Type number	Package	Package information	Reflow-/Wave soldering	Packing	Status	Marking	Orderable part number, (Ordering code (12NC))
74LVC245ABQ	DHVQFN20 (SOT764-1)	SOT764-1		Reel 7” Q1/T1 or Q2/T3	Active	LVC245A	74LVC245ABQ,115 ( 9352 735 95115 )
74LVC245AD	SO20 (SOT163-1)	SOT163-1		Reel 13" Q1/T1	Active	74LVC245AD	74LVC245AD,118 ( 9352 115 10118 )
74LVC245AD	SO20 (SOT163-1)	SOT163-1		Bulk Pack	Active	74LVC245AD	74LVC245AD,112 ( 9352 115 10112 )
74LVC245ADB NRND	SSOP20 (SOT339-1)	SOT339-1	SSOP-TSSOP-VSO-WAVE	Reel 13" Q1/T1	Active	LVC245A	74LVC245ADB,118 ( 9352 115 30118 )
74LVC245ADB NRND	SSOP20 (SOT339-1)	SOT339-1	SSOP-TSSOP-VSO-WAVE	Bulk Pack	Active	LVC245A	74LVC245ADB,112 ( 9352 115 30112 )
74LVC245APW	TSSOP20 (SOT360-1)	SOT360-1	SSOP-TSSOP-VSO-WAVE	Reel 13" Q1/T1	Active	LVC245A LVC245A Standard Procedure Standard Procedure	74LVC245APW,118 ( 9352 115 40118 )
74LVC245APW	TSSOP20 (SOT360-1)	SOT360-1	SSOP-TSSOP-VSO-WAVE	Bulk Pack	Active	LVC245A LVC245A Standard Procedure Standard Procedure	74LVC245APW,112 ( 9352 115 40112 )
74LVCH245ABQ	DHVQFN20 (SOT764-1)	SOT764-1		Reel 7” Q1/T1 or Q2/T3	Active	LVCH245A	74LVCH245ABQ,115 ( 9352 736 96115 )
74LVCH245AD	SO20 (SOT163-1)	SOT163-1		Reel 13" Q1/T1	Active	74LVCH245AD	74LVCH245AD,118 ( 9352 115 50118 )
74LVCH245AD	SO20 (SOT163-1)	SOT163-1		Bulk Pack	Active	74LVCH245AD	74LVCH245AD,112 ( 9352 115 50112 )
74LVCH245ADB NRND	SSOP20 (SOT339-1)	SOT339-1	SSOP-TSSOP-VSO-WAVE	Reel 13" Q1/T1	Active	VCH245A	74LVCH245ADB,118 ( 9352 115 60118 )
74LVCH245APW	TSSOP20 (SOT360-1)	SOT360-1	SSOP-TSSOP-VSO-WAVE	Reel 13" Q1/T1	Active	VCH245A	74LVCH245APW,118 ( 9352 115 70118 )
74LVCH245APW	TSSOP20 (SOT360-1)	SOT360-1	SSOP-TSSOP-VSO-WAVE	Bulk Pack	Active	VCH245A	74LVCH245APW,112 ( 9352 115 70112 )

Discontinuation information

Type number	Orderable part number, (Ordering code (12NC))	Last time buy date	Last time delivery date	Replacement product	Status	Comments
74LVCH245ADB	935211560112	2018-12-31	2019-06-30	74LVCH245ADB

Quality, reliability & chemical content

Type number	Orderable part number	Chemical content	Leadfree conversion date	MSL	MSL leadfree
74LVC245ABQ	74LVC245ABQ,115	74LVC245ABQ	Always Pb-free	1	1
74LVC245AD	74LVC245AD,118	74LVC245AD	week 30, 2004	1	1
74LVC245AD	74LVC245AD,112	74LVC245AD	week 30, 2004	1	1
74LVC245ADB NRND	74LVC245ADB,118	74LVC245ADB	week 17, 2005	1	1
74LVC245ADB NRND	74LVC245ADB,112	74LVC245ADB	week 17, 2005	1	1
74LVC245APW	74LVC245APW,118	74LVC245APW	week 7, 2005	1	1
74LVC245APW	74LVC245APW,112	74LVC245APW	week 7, 2005	1	1
74LVCH245ABQ	74LVCH245ABQ,115	74LVCH245ABQ	Always Pb-free	1	1
74LVCH245AD	74LVCH245AD,118	74LVCH245AD	week 30, 2004	1	1
74LVCH245AD	74LVCH245AD,112	74LVCH245AD	week 30, 2004	1	1
74LVCH245ADB NRND	74LVCH245ADB,118	74LVCH245ADB	week 17, 2005	1	1
74LVCH245APW	74LVCH245APW,118	74LVCH245APW	week 7, 2005	1	1
74LVCH245APW	74LVCH245APW,112	74LVCH245APW	week 7, 2005	1	1

Quality and reliability disclaimer

Documentation (11)

File name	Title	Type	Date
74LVC_LVCH245A	Octal bus transceiver; 3-state	Data sheet	2020-08-05
AN11009	Pin FMEA for LVC family	Application note	2019-01-09
lvc245a	lvc245a IBIS model	IBIS model	2013-04-07
lvch245a	lvch245a IBIS model	IBIS model	2013-04-07
lvc	lvc Spice model	SPICE model	2013-05-06
SOT764-1	plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 20 terminals; 0.5 mm pitch; 4.5 mm x 2.5 mm x 1 mm body	Package information	2020-04-21
SSOP-TSSOP-VSO-WAVE	Footprint for wave soldering	Wave soldering	2009-10-08
SOT360-1	plastic, thin shrink small outline package; 20 leads; 0.65 mm pitch; 6.5 mm x 4.4 mm x 1.1 mm body	Package information	2020-04-21
SOT163-1	plastic, small outline package; 20 leads; 1.27 mm pitch; 12.8 mm x 7.5 mm x 2.65 mm body	Package information	2020-04-21
SSOP-TSSOP-VSO-WAVE	Footprint for wave soldering	Wave soldering	2009-10-08
SOT339-1	plastic, shrink small outline package; 20 leads; 0.65 mm pitch; 7.2 mm x 5.3 mm x 2 mm body	Package information	2020-04-21

Support

If you are in need of design/technical support, let us know and fill in the answer form, we'll get back to you shortly.

Models

File name	Title	Type	Date
lvc245a	lvc245a IBIS model	IBIS model	2013-04-07
lvch245a	lvch245a IBIS model	IBIS model	2013-04-07
lvc	lvc Spice model	SPICE model	2013-05-06

Ordering, pricing & availability

Sample

As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store: https://extranet.nexperia.com.

Sample orders normally take 2-4 days for delivery.

If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples.