Features Pin compatible with DS14C335 Conforms to EIA/TIA-232-E and CCITT (ITU-T) V.28 specifications Failsafe receiver outputs high when inputs open Operates with single +5V power supply Low power requirement-ICC 12 mA maximum SHUTDOWN mode-ICX 10 µA maximum One Receiver (R5) active during SHUTDOWN Operates up to 128 kbps-Lap-Link® Compatible 4V/µs minimum Slew Rate guaranteed ESD rating of 3 kV on all pins (H, B, M) Available in 28-lead SSOP EIAJ Type II package Only four 0.1 µF capacitors required for the DC-DC converter Description The DS14C535 is three driver, five receiver device which conforms to EIA/TIA-232-E and CCITT (ITU-T) V.28 standard specifications. This device employs an internal DC-DC converter to generate the necessary output levels from a +5V power supply. A SHUTDOWN (SD) mode reduces the supply current to 10 µA maximum. In the SD mode, one receiver is active, allowing ring indicator (RI) to be monitored. PC Board space consumption is minimized by the availability of Shrink Small Outline Packaging (SSOP). The DS14C535 provides a one-chip solution for the common 9-pin serial RS-232 interface between data terminal and data circuit-terminating equipment. This device allows an easy migration path to the 3.3V DS14C335. The packages are the same. The N/C pins on the DS14C535 are not physically connected to the chip. Board layout for the DS14C335 will accommodate both devices. This device's low power requirement and small footprint makes it an ideal choice for Laptop and Notebook applications.

	Block Diagram click for larger image

Datasheets

Title		Size	Date	Other Language
	DS14C535 +5V Supply EIA/TIA-232 3 x 5 Driver Receiver	147 Kbytes	9-Sep-04	日本語

Part Number(s) (NSID)	Top View	Availability	Current Reported Stock	Budgetary Pricing	Pack Size
DS14C535MSA/NOPB DS14C535MSA RoHS Status	SSOP-EIAJ	Full production Lead Time: 6 weeks	Distributor Region Qty AVNET-EM Worldwide 163 DIGI-KEY Worldwide 97 MOUSER Worldwide 140 TECHMOSA Asia Pacific 893	$3.38 each at 1K+ pcs	rail of 47
DS14C535MSAX/NOPB DS14C535MSAX RoHS Status	SSOP-EIAJ	Full production Lead Time: 6 weeks	Distributor Region Qty DIGI-KEY Worldwide 0	$3.38 each at 1K+ pcs	reel of 2000

Obsolete Versions

Obsolete Part	Alternate Part or Supplier	Source	Last Time Buy Date
DS14C535TMSA	NONE	NONE	08 Sep 1998
DS14C535TMSAX	NONE	NONE	08 Dec 1998

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for DS14C535.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for DS14C535 is located at RoHS Status.

Part Number(s) (NSID)	Weight (milligrams)	Type	Pins	MSL Rating	Peak Reflow	RoHS Status	CAD Symbols	Models	Package Marking Format
DS14C535MSA/NOPB DS14C535MSA	256.104 250.002	SSOP-EIAJ	28	3 4	260 235	Detail	Download	N/A	NSUZXYTTE# DS14C535 MSA
DS14C535MSAX/NOPB DS14C535MSAX	256.104 250.002	SSOP-EIAJ	28	3 4	260 235	Detail	Download	N/A	NSUZXYTTE# DS14C535 MSA

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for DS14C535.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for DS14C535 is located at RoHS Status.

CAD Symbols and Models Download DS14C535 CAD Symbols

Models N/A

Reliability Metrics

Part Number	Process	EFR Reject	EFR Sample Size	PPM	LTA Rejects	LTA Device Hours	FITS	MTTF (Hours)
DS14C535MSA	P2CMOS	0	50860	0	1	4503500	2	578995367
DS14C535MSAX	P2CMOS	0	50860	0	1	4503500	2	578995367

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for DS14C535.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for DS14C535 is located at RoHS Status.

Obsolete Versions

Obsolete Part	Alternate Part or Supplier	Source	Last Time Buy Date
DS14C535TMSA	NONE	NONE	08 Sep 1998
DS14C535TMSAX	NONE	NONE	08 Dec 1998