Datasheet Texas Instruments SN74LS240 — 数据表
| 制造商 | Texas Instruments | 
| 系列 | SN74LS240 | 

八进制缓冲器和线路驱动器
数据表
SNx4LS24x, SNx4S24x Octal Buffers and Line   Drivers With 3-State Outputs datasheet
PDF, 1.6 Mb, 修订版: D, 档案已发布: Oct 10, 2016
从文件中提取
状态
| SN74LS240DBR | SN74LS240DW | SN74LS240DWG4 | SN74LS240DWR | SN74LS240DWRE4 | SN74LS240J | SN74LS240N | SN74LS240N3 | SN74LS240NE4 | SN74LS240NSR | |
|---|---|---|---|---|---|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Obsolete (Manufacturer has discontinued the production of the device) | Active (Recommended for new designs) | Obsolete (Manufacturer has discontinued the production of the device) | Active (Recommended for new designs) | Active (Recommended for new designs) | 
| Manufacture's Sample Availability | No | No | No | No | No | No | Yes | No | No | No | 
打包
| SN74LS240DBR | SN74LS240DW | SN74LS240DWG4 | SN74LS240DWR | SN74LS240DWRE4 | SN74LS240J | SN74LS240N | SN74LS240N3 | SN74LS240NE4 | SN74LS240NSR | |
|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 
| Pin | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 
| Package Type | DB | DW | DW | DW | DW | J | N | N | N | NS | 
| Industry STD Term | SSOP | SOIC | SOIC | SOIC | SOIC | CDIP | PDIP | PDIP | PDIP | SOP | 
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-GDIP-T | R-PDIP-T | R-PDIP-T | R-PDIP-T | R-PDSO-G | 
| Package QTY | 2000 | 25 | 25 | 2000 | 2000 | 20 | 20 | 2000 | ||
| Carrier | LARGE T&R | TUBE | TUBE | LARGE T&R | LARGE T&R | TUBE | TUBE | LARGE T&R | ||
| Device Marking | LS240 | LS240 | LS240 | LS240 | LS240 | SN74LS240N | SN74LS240N | 74LS240 | ||
| Width (mm) | 5.3 | 7.5 | 7.5 | 7.5 | 7.5 | 6.92 | 6.35 | 6.35 | 6.35 | 5.3 | 
| Length (mm) | 7.2 | 12.8 | 12.8 | 12.8 | 12.8 | 24.2 | 24.33 | 24.33 | 24.33 | 12.6 | 
| Thickness (mm) | 1.95 | 2.35 | 2.35 | 2.35 | 2.35 | 4.57 | 4.57 | 4.57 | 4.57 | 1.95 | 
| Pitch (mm) | .65 | 1.27 | 1.27 | 1.27 | 1.27 | 2.54 | 2.54 | 2.54 | 2.54 | 1.27 | 
| Max Height (mm) | 2 | 2.65 | 2.65 | 2.65 | 2.65 | 5.08 | 5.08 | 5.08 | 5.08 | 2 | 
| Mechanical Data | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 
参数化
| Parameters / Models | SN74LS240DBR  | SN74LS240DW  | SN74LS240DWG4  | SN74LS240DWR  | SN74LS240DWRE4  | SN74LS240J  | SN74LS240N  | SN74LS240N3  | SN74LS240NE4  | SN74LS240NSR  | 
|---|---|---|---|---|---|---|---|---|---|---|
| Approx. Price (US$) | 0.30 | 1ku | 0.30 | 1ku | ||||||||
| Bits | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
| Bits(#) | 8 | 8 | ||||||||
| F @ Nom Voltage(Max), Mhz | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | ||
| F @ Nom Voltage(Max)(Mhz) | 35 | 35 | ||||||||
| ICC @ Nom Voltage(Max), mA | 0.044 | 0.044 | 0.044 | 0.044 | 0.044 | 0.044 | 0.044 | 0.044 | ||
| ICC @ Nom Voltage(Max)(mA) | 0.044 | 0.044 | ||||||||
| Input Type | TTL | TTL | ||||||||
| Operating Temperature Range, C | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | ||
| Operating Temperature Range(C) | 0 to 70 | 0 to 70 | ||||||||
| Output Drive (IOL/IOH)(Max), mA | -15/24 | -15/24 | -15/24 | -15/24 | -15/24 | -15/24 | -15/24 | -15/24 | ||
| Output Drive (IOL/IOH)(Max)(mA) | -15/24 | -15/24 | ||||||||
| Output Type | CMOS | CMOS | ||||||||
| Package Group | SSOP | SOIC | SOIC | SOIC | SOIC | PDIP SO SOIC SSOP | PDIP | PDIP | PDIP | SO | 
| Package Size: mm2:W x L, PKG | 20SSOP: 56 mm2: 7.8 x 7.2(SSOP) | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | See datasheet (PDIP) | See datasheet (PDIP) | 20SO: 98 mm2: 7.8 x 12.6(SO) | ||
| Package Size: mm2:W x L (PKG) | See datasheet (CDIP) See datasheet (PDIP) | See datasheet (PDIP) | ||||||||
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | 
| Schmitt Trigger | No | No | No | No | No | No | No | No | No | No | 
| Technology Family | LS | LS | LS | LS | LS | LS | LS | LS | LS | LS | 
| VCC(Max), V | 5.25 | 5.25 | 5.25 | 5.25 | 5.25 | 5.25 | 5.25 | 5.25 | ||
| VCC(Max)(V) | 5.25 | 5.25 | ||||||||
| VCC(Min), V | 4.75 | 4.75 | 4.75 | 4.75 | 4.75 | 4.75 | 4.75 | 4.75 | ||
| VCC(Min)(V) | 4.75 | 4.75 | ||||||||
| Voltage(Nom), V | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | ||
| Voltage(Nom)(V) | 5 | 5 | ||||||||
| tpd @ Nom Voltage(Max), ns | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | ||
| tpd @ Nom Voltage(Max)(ns) | 18 | 18 | 
生态计划
| SN74LS240DBR | SN74LS240DW | SN74LS240DWG4 | SN74LS240DWR | SN74LS240DWRE4 | SN74LS240J | SN74LS240N | SN74LS240N3 | SN74LS240NE4 | SN74LS240NSR | |
|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Not Compliant | Compliant | Not Compliant | Compliant | Compliant | 
| Pb Free | No | Yes | No | Yes | 
应用须知
- Designing with the SN54/74LS123 (Rev. A)PDF, 118 Kb, 修订版: A, 档案已发布: Mar 1, 1997
 The Texas Instruments (TI) SN54/74LS123 dual retriggerable monostable multivibrator is a one-shot device capable of verylong output pulses and up to 100% duty cycle. The ?LS123 also features dc triggering from gated low-level active A andhigh-level active B inputs and provides a clear input that terminates the output pulse of any predetermined time independentof timing components R ext and
模型线
系列: SN74LS240 (10)
制造商分类
- Semiconductors> Logic> Buffer/Driver/Transceiver> Inverting Buffer/Driver