74HC(T)257: Quad 2-input multiplexer; 3-state
The 74HC257; 74HCT257 is a quad 2-input multiplexer with 3-state outputs. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.
74HC_T_257: Product Block Diagram
Outline 3d SOT338-1
Data Sheets (1)
| Name/Description | Modified Date |
|---|---|
| Quad 2-input multiplexer; 3-state (REV 7.0) PDF (165.0 kB) 74HC_HCT257 [English] | 02 Feb 2016 |
Application Notes (2)
| Name/Description | Modified Date |
|---|---|
| Live Insertion Aspects of Philips Logic Families (REV 1.0) PDF (73.0 kB) AN252 [English] | 13 Mar 2013 |
| Pin FMEA 74HC/74HCT family (REV 1.0) PDF (51.0 kB) AN11044 [English] | 16 Mar 2011 |
Users Guides (1)
| Name/Description | Modified Date |
|---|---|
| HC/T User Guide (REV 1.0) PDF (508.0 kB) HCT_USER_GUIDE [English] | 01 Nov 1997 |
Selector Guides (2)
| Name/Description | Modified Date |
|---|---|
| ロジック製品セレクションガイド... (REV 1.0) PDF (38.3 MB) LOGIC_SELECTION_GUIDE_2015_JP [English] | 19 Nov 2015 |
| Logic selection guide 2016 (REV 1.1) PDF (15.3 MB) 75017285 [English] | 08 Jan 2015 |
Package Information (3)
| Name/Description | Modified Date |
|---|---|
| plastic small outline package; 16 leads; body width 3.9 mm (REV 1.0) PDF (192.0 kB) SOT109-1 [English] | 08 Feb 2016 |
| plastic shrink small outline package; 16 leads; body width 5.3 mm (REV 1.0) PDF (306.0 kB) SOT338-1 [English] | 08 Feb 2016 |
| plastic thin shrink small outline package; 16 leads; body width 4.4 mm (REV 1.0) PDF (300.0 kB) SOT403-1 [English] | 08 Feb 2016 |
Packing (2)
| Name/Description | Modified Date |
|---|---|
| SO16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering... (REV 4.0) PDF (210.0 kB) SOT109-1_118 [English] | 24 Apr 2013 |
| TSSOP16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... (REV 1.0) PDF (218.0 kB) SOT403-1_118 [English] | 08 Apr 2013 |
Supporting Information (4)
| Name/Description | Modified Date |
|---|---|
| Footprint for reflow soldering (REV 1.0) PDF (9.0 kB) SO-SOJ-REFLOW [English] | 08 Oct 2009 |
| Footprint for wave soldering (REV 1.0) PDF (8.0 kB) SO-SOJ-WAVE [English] | 08 Oct 2009 |
| Footprint for reflow soldering (REV 1.0) PDF (16.0 kB) SSOP-TSSOP-VSO-REFLOW [English] | 08 Oct 2009 |
| Footprint for wave soldering (REV 1.0) PDF (16.0 kB) SSOP-TSSOP-VSO-WAVE [English] | 08 Oct 2009 |
Ordering Information
| Product | Status |
|---|---|
| 74HCT257DB | Active |
| 74HC257DB | Active |
| 74HC257PW | Active |
| 74HCT257PW | Active |
| 74HC257D | Active |
| 74HCT257D | Active |
Package Information
| Product ID | Package Description | Outline Version | Reflow/Wave Soldering | Packing | Product Status | Part NumberOrdering code(12NC) | Marking | Chemical Content | RoHS / Pb Free / RHF | LeadFree Conversion Date | EFR | IFR(FIT) | MTBF(hour) | MSL | MSL LF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 74HCT257D |  | SOT109-1 | SO-SOJ-REFLOW
SO-SOJ-WAVE SO-SOJ-REFLOW SO-SOJ-WAVE | Reel 13" Q1/T1 CECC | Active | 74HCT257D,653 (9337 136 50653) | 74HCT257D | 74HCT257D |    | week 35, 2004 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
| Bulk Pack, CECC | Active | 74HCT257D,652 (9337 136 50652) | 74HCT257D | 74HCT257D | | week 35, 2004 | 84.9 | 6.62 | 1.51E8 | 1 | 1 | ||||
| 74HCT257D/AU | | SOT109-1 | SO-SOJ-REFLOW
SO-SOJ-WAVE SO-SOJ-REFLOW SO-SOJ-WAVE | Reel 13" Q1/T1 | Active | 74HCT257D/AUJ (9353 012 66118) | 74HCT257D | 74HCT257D/AU | | Always Pb-free | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
| 74HCT257D/S71 | | SOT109-1 | SO-SOJ-REFLOW
SO-SOJ-WAVE SO-SOJ-REFLOW SO-SOJ-WAVE | Reel 13" Q1/T1 | Withdrawn | 74HCT257D/S71,118 (9350 667 50118) | Standard Marking |  | week 47, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 | |
| 74HC257DB | | SOT338-1 | SSOP-TSSOP-VSO-REFLOW
SSOP-TSSOP-VSO-WAVE SSOP-TSSOP-VSO-REFLOW SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | 74HC257DB,118 (9351 886 60118) | HC257 | 74HC257DB | | week 12, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
| Bulk Pack | Active | 74HC257DB,112 (9351 886 60112) | HC257 | 74HC257DB | | week 12, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 | ||||
| 74HCT257PW |  | SOT403-1 | SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | 74HCT257PW,118 (9351 884 00118) | HCT257 | 74HCT257PW | | week 10, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
| Bulk Pack | Active | 74HCT257PW,112 (9351 884 00112) | HCT257 | 74HCT257PW | | week 10, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 | ||||
| 74HC257D | | SOT109-1 | SO-SOJ-REFLOW
SO-SOJ-WAVE SO-SOJ-REFLOW SO-SOJ-WAVE | Reel 13" Q1/T1 CECC | Active | 74HC257D,653 (9337 136 40653) | 74HC257D | 74HC257D | | week 12, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
| Bulk Pack, CECC | Active | 74HC257D,652 (9337 136 40652) | 74HC257D | 74HC257D | | week 12, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 | ||||
| 74HCT257DB | | SOT338-1 | SSOP-TSSOP-VSO-REFLOW
SSOP-TSSOP-VSO-WAVE SSOP-TSSOP-VSO-REFLOW SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | 74HCT257DB,118 (9351 909 60118) | HCT257 | 74HCT257DB | | week 12, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
| Bulk Pack | Active | 74HCT257DB,112 (9351 909 60112) | HCT257 | 74HCT257DB | | week 12, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 | ||||
| 74HC257PW | | SOT403-1 | SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | 74HC257PW,118 (9351 746 80118) | HC257 | 74HC257PW | | week 10, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
| Bulk Pack | Active | 74HC257PW,112 (9351 746 80112) | HC257 | 74HC257PW | | week 10, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
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