74HC(T)251: 8输入多路复用器；3态
74HC251；74HCT251是8位复用器，带八个二进制输入（I0至I7）、三个选择输入（S0至S2）以及一个输出使能输入(OE)。选择输入选择八个二进制输入之一并将其路由到互补输出（Y和Y）。OE上的高电平使输出呈高阻抗关断状态。输入包括钳位二极管，其能使用限流电阻将输入连接到高于VCC的电压。
74HC_T_251: 产品结构框图
sot109-1_3d
数据手册 (1)
| 名称/描述 | Modified Date |
|---|---|
| 8-input multiplexer; 3-state (REV 4.0) PDF (174.0 kB) 74HC_HCT251 [English] | 01 Feb 2016 |
应用说明 (2)
| 名称/描述 | 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 |
用户指南 (1)
| 名称/描述 | Modified Date |
|---|---|
| HC/T User Guide (REV 1.0) PDF (508.0 kB) HCT_USER_GUIDE [English] | 01 Nov 1997 |
选型工具指南 (2)
| 名称/描述 | 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 |
封装信息 (3)
| 名称/描述 | 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 |
包装 (2)
| 名称/描述 | 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 |
支持信息 (4)
| 名称/描述 | 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 |
订购信息
| 型号 | 状态 |
|---|---|
| 74HCT251D | Active |
| 74HCT251PW | Active |
| 74HC251DB | Active |
| 74HCT251DB | Active |
| 74HC251D | Active |
| 74HC251PW | Active |
封装环保信息
| 产品编号 | 封装说明 | Outline Version | 回流/波峰焊接 | 包装 | 产品状态 | 部件编号订购码 (12NC) | Marking | 化学成分 | RoHS / 无铅 / RHF | 无铅转换日期 | EFR | IFR(FIT) | MTBF（小时） | MSL | MSL LF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 74HCT251DB |  | SOT338-1 | SSOP-TSSOP-VSO-REFLOW
SSOP-TSSOP-VSO-WAVE SSOP-TSSOP-VSO-REFLOW SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | 74HCT251DB,118 (9351 886 40118) | HCT251 | 74HCT251DB |    | week 12, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
| Bulk Pack | Active | 74HCT251DB,112 (9351 886 40112) | HCT251 | 74HCT251DB | | week 12, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 | ||||
| 74HC251D | | SOT109-1 | SO-SOJ-REFLOW
SO-SOJ-WAVE SO-SOJ-REFLOW SO-SOJ-WAVE | Reel 13" Q1/T1 CECC | Active | 74HC251D,653 (9337 135 20653) | 74HC251D | 74HC251D |  | week 6, 2004 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
| Bulk Pack, CECC | Active | 74HC251D,652 (9337 135 20652) | 74HC251D | 74HC251D | | week 6, 2004 | 84.9 | 6.62 | 1.51E8 | 1 | 1 | ||||
| 74HCT251D | | SOT109-1 | SO-SOJ-REFLOW
SO-SOJ-WAVE SO-SOJ-REFLOW SO-SOJ-WAVE | Reel 13" Q1/T1 CECC | Active | 74HCT251D,653 (9337 135 30653) | 74HCT251D | 74HCT251D | | week 6, 2004 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
| Bulk Pack, CECC | Active | 74HCT251D,652 (9337 135 30652) | 74HCT251D | 74HCT251D | | week 6, 2004 | 84.9 | 6.62 | 1.51E8 | 1 | 1 | ||||
| 74HC251PW |  | SOT403-1 | SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | 74HC251PW,118 (9351 883 90118) | HC251 | 74HC251PW | | week 10, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
| Bulk Pack | Active | 74HC251PW,112 (9351 883 90112) | HC251 | 74HC251PW | | week 10, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 | ||||
| 74HC251DB | | SOT338-1 | SSOP-TSSOP-VSO-REFLOW
SSOP-TSSOP-VSO-WAVE SSOP-TSSOP-VSO-REFLOW SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | 74HC251DB,118 (9351 886 50118) | HC251 | 74HC251DB | | week 12, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
| Bulk Pack | Active | 74HC251DB,112 (9351 886 50112) | HC251 | 74HC251DB | | week 12, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 | ||||
| 74HCT251PW | | SOT403-1 | SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | 74HCT251PW,118 (9351 883 80118) | HCT251 | 74HCT251PW | | week 10, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
| Bulk Pack | Active | 74HCT251PW,112 (9351 883 80112) | HCT251 | 74HCT251PW | | week 10, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
- 8-input multiplexer; 3-state 74HCT251PW
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